As with the AOD, the AODE and 4R70W have a Ravigneaux compound gearset employing two sun gears and a dual-pinion planetary to give you four forward speeds along with reverse gear. There are two bands, two one-way clutches, and four friction clutches used to lock and drive the gearsets. 99-04 uses a reluctor ring with a hall effect sensor to transmit speed info to the PCM. But this is not to imply that it will remain the best option at all times. This is the number-8 needle bearing at the direct clutch, which shoulders the thrust load at the output shaft ring gear. Lubricate the bolt threads and check the bolt travel. This allows full pressure to the overdrive servo and band. Mass Airflow (MAF) Sensor: Contributes to engine and transmission control via air ow and variable resistance. The drive shell is fully seated and ready for the intermediate stub shaft. Or it could be a number of sensors both internal and external. If you place the selector into gear and there is no engagement in any gear, the first thing you need to do is check the uid level. Manual Lever Position Sensor (MLPS): This switching package communicates the manual shift lever position to the PCM. Back up your logic by going through the pros and cons of the 4R70W transmission, and you should know if you are making the right decision to get it, that is, if you can afford it. The MCCC gets pulsing signals from the PCM. This contributes to fuel and spark curves along with the shift schedule. The torque converters turbine drives the input shaft. Online Buyer's Guide It may also remotely be a The forward drum as far as I can tell looks to be in perfect shape. The direct clutch hub goes up against the number-7 thrust bearing. Top. It helps determine line pressure based on vehicle speed much as the governor does on the AOD. Make sure it remains centered during installation. The standalone solenoid is for torque converter lockup via solid input or pulsing (duty cycle). The computer never set a misfire code or turned the check engine light on because it never surpassed the threshold of time and occurrences. So the valve body on 4r70w and maybe 4r75w tend to wear out so replacing the whole valve body is recommend instead of trying to fix the valve bores in my opinion you are eliminating further issues, valve body on eBay good with one year warranty 65$ bucks thats super cheap fix for these mysteriously instantaneous loss of forward gears without Of course, like every transmission out there, they have their common concerns. The needle bearing, also known as a Torrington bearing, reduces internal rolling and thrust friction. For The 4R70W also requires consistent maintenance, just like its predecessors. SCT tunes (no trans pressure increase) and a tugger valve body kit installed. The harness protects the wiring. The 2-3 back-out valve, as the name implies, regulates the feel of a 2-3 upshift. The seal lip should be pointed toward the pressure source (inside the bore). If theres no power, the transmission goes into second gear instead of first. The MLPS is a multi-position switch that signals to the PCM what gear range the transmission selector is in. It does not store any personal data. 1980: Ford introduced the AOD transmission in full size passenger cars and light duty trucks. Do Not Sell or Share My Personal Information. If it is brown or otherwise dark in color that is a clue. 2.7K views 3 years ago. Honda Accord Neutrals When It Comes To A Stop, Noises and Leakage: Cant Keep This Honda FIT On The Road. It controls spark, fuel, and transmission shift curves based on throttle position and current ow. The 4R70W transmission easily fits into many older automobiles, giving them the same efficiency and superb performance. Never reuse old bearings or seals. Install the low-reverse band servo piston return spring. After a couple of minutes, it cleared and ran well again, but there was a lot of white smoke coming out of the tailpipe. These cookies ensure basic functionalities and security features of the website, anonymously. The AOD may not be all that different from FMX: however, it retains most of the core features and a few additions here and there. Protect your eyes and face for this step. In second gear in drive range, both the SS1 and SS2 are off. Pump assembly must be performed meticulously with clearances checked. It was Theyre either on or off or on/off in a duty-cycle (pulse) pattern. Cant get reverse gear? Torque the extension housing bolts to 16 to 20 ft-lbs. The main control pilot bolts receive 140 to 160 in-lbs (not ft-lbs). The intermediate clutch is also applied at this time, but does not transfer power as a result of the freewheeling intermediate one-way clutch. Is the noise or vibration in rhythm with the engine, driveline, or wheels? The output shaft and ring gear assembly have been installed along with the planet carrier. Ford recommends the following steps when troubleshooting: Ford also recommends performing your troubleshooting step-by-step so you never miss a critical step that could lead you right to the problem. But then, the 4R70W is also not a great place to end your search either. Copyright 2006-2020 GEARS Magazine. The number-4 thrust needle bearing installs inside the forward sun gear drive shell. You dont want to feel downshift. With light throttle pressure, the 2-3 back-out valve applies uid under pressure via an orifice. Torque the gasket bolts to 107 to 132 in-lbs, not ft-lbs. Install the number-7 C-clip. 4R70W tcc lock up in 1st gear. Ford AODE/4R70W Guide: Calibration, Building, Troubleshooting The AODE and 4R70W are terrific factory transmissions that only get better with precise calibration and performance tuning. Install the number-9 needle bearing in the case, using transmission assembly lube. The MLPS is outside and is tied to the manual shift linkage. Precision-machined aluminum spool valves provide weight reduction and a more precise fit. This cookie is set by GDPR Cookie Consent plugin. Analytical cookies are used to understand how visitors interact with the website. Begin with a plate and alternately stack clutch discs and plates. Use plenty of lubrication on the center support bushing. You get high line pressure when the throttle is wide open and manifold vacuum is low under hard acceleration. I just jumped into it last time without knowing what it was and it bit me. Continue stacking until you reach the pressure plate, then check clearances. Did you install the lip seals the correct way? The AOD full-throttle shift-point with the Motorsport wide-ratio gear-set is different. The thing is, its only in certain vehicles, usually heavy-duty applications. Install the forward clutch frictions alternately between the steels. Ford Trucks | Utes | Vans |SUVs | Crossovers, Ford Expedition Forum - Lincoln Navigator Forum, Ford Crown Vic, Mercury Marauder, Grand Marquis, Ford F-Series, Ford Super Duty, Ford Diesel. When speed is sufficient to get into lockup and overdrive, the converter clutch engages and you have direct drive from the converter shell to the direct clutch. In first gear in the drive range, the SS1 is on and the SS2 is off. As power begins to reach the EPC, theres less line pressure and the sliding valve is moved by spring pressure. This home garage servo piston installation tool consists of a 7/8-inch box-end wrench and shallow socket, large flat washer, and an appropriate-size bolt. 2. The forward clutch piston installs using a Lip Wizard. Mark helpful 40 Install the low-reverse servo cover and snap ring. Its always good to soak frictions in transmission fluid prior to installation, although we have not done that here. S1. Was pulling my trailer the other day unloaded without any problems. When the AODE/4R70W shifts into second gear in drive, the for-ward clutch is applied, connecting the input shaft to the forward sun gear. Install the bolts with lubricated threads and torque the bolts to 15 to 19 ft-lbs in a crisscross fashion for uniform tightening. In second gear in manual range, both the SS1 and SS2 are off. Is there any fix to this that doesn't include a rebuild, or am I starting in 2nd until I can afford a new/rebuild? Contact Us - Staggering the gaps helps the sealing rings hold pressure. Necessary cookies are absolutely essential for the website to function properly. Servo apply pressure is controlled by the low servo modulator valve. The twin solenoids are shift solenoids that are on/off only with either each on or both on, depending on the shift timing. The MCCC again gets pulses from the PCM tied to driving conditions. The bolt torque is 62 to 88 in-lbs. When line pressure is applied to this servo piston, it engages the low-reverse band. Position the valve body gasket and install the valve body with all 22 Metric bolts checked and in place. Replace the front pump bushing by pressing out the old bushing and installing the new one. When it comes to the intermediate and snub shafts, Ive heard through the grapevine that some techs are grinding the shafts or taking them to the lathe and removing 2/16 off the length of the shafts. The MCCC engages and disengages the torque converter clutch. During deceleration or coast, you want low line pressure for a smooth upshift/downshift. However, for the sake of longevity, replace yours. An AODE/4R70W not going into gear could mean problems with the forward clutch piston sealing and check balls. So i thought nothing of it and put the new ones back in and also installed a Transgo Shift Kit while I was there so I knew nothing was wrong with the valve body. The spring is compressed to make way for the C-clip retainer. Give these rings and grooves abundant lubrication. 178 subscribers. The 4R70W transmission tends to slip on the 1st gen Ford Crown Vic. Email: [emailprotected] They are controlled via two different hydraulic circuits. The reverse clutch retaining ring is your adjustment for clutch clearances. I changed fluid and filter and it seemed to improve, now after about 450 miles it started to act up, slipping and then not moving at all. For a better experience, please enable JavaScript in your browser before proceeding. Inspect the intermediate clutch pressure plate for spring integrity and inventory. Check this ring carefully for proper seating. Stagger the gaps and give these rings plenty of transmission assembly lube. Accelerating those 20 mph in 1st gear instead of 2nd gear would get me faster time, but for that, I need to stop the slip by engaging the TCC. It could also be a misfire. Darkness indicates contamination and overheating. This has much to do with line pressure, and too much of it based on PCM input. If clutch and servo are an issue then internal work is needed. Powertrain Expo Examine the check ball valves for freedom of movement. 2001 Expedition, 4.6L engine, 4R70W transmission. Does the engine stall when the transmission selector is placed in gear? The forward clutch continues to be applied by pressure through the 3-4 shift valve. Pay close attention to the seal status. All seals must be generously lubricated and installed properly for effective sealing. Inspect the reverse clutch Belleville return spring for cracks and distortion prior to installation. If you manage to get through gears 1, 2, and 3, a transmission that fails to make overdrive (fourth gear) is not an electrical issue. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. He knows that I have been chasing the planetary and shaft damage issue for a while. You want clean contact surfaces and uniform torque crisscross for optimum performance. Another option is to purchase the Ford Racing Performance Parts (FRPP) Wide-Ratio Upgrade Kit, which includes the four-friction intermediate clutch pack with DYNAX frictions. Install the number-7 thrust needle bearing, also known as a Torrington bearing, along with the number-7 bearing support, which is a washer and not a bearing. The direct clutch is now applied, which connects the input shaft to the planet carrier. You can copy and paste this link to share: https://www.diyford.com/ford-aode4r70w-guide-calibration-building-troubleshooting/. If the downshift solenoid has any issues, it may cause the vehicle to behave erratically when downshifting. Seals and thrusts should be installed wet with transmission assembly lube, though not all shops do it this way. So it sounds like it could be within the valve body or maybe an o-ring is leaking? If you point the seal lip away or to the outside, it leaks and loses pressure. The AOD has dual input shafts (inner and outer); the AODE/4R70W has one, which splines into the forward clutch. Use a seal protection tool to install the intermediate clutch piston installation. But opting out of some of these cookies may affect your browsing experience. The next items to check are the number-3 and number-4 sealing rings. The transmission must be removed to check torque converter function. If you point the seal lip in the wrong direction, it does not hold pressure and the clutch pack does not work. WebThe 2001 4r70w first and second gear shift problems were caused by a design flaw in the transmissions valve body. Could have rolled a lip seal. We went on the road test, and the unit worked great. If you were noticing less I did not do much with the valve body, I'm wondering if that could be the problem, like maybe a sticking valve? Use assembly lube as an adhesive to install the thrust washer. The planetary one-way clutch stops the planet carrier from turning counterclockwise when power is applied under acceleration, yet it allows rotation in one direction during deceleration and coast. Pick-up not installed correctly,clogged filter,low fluid. I bought the truck to flip and the guy I bought it from told me the transmission had to be pulled and rebuilt because it didn't have any forward gears, but reverse worked like a dream so to me this sounded like the forward clutch pack was burnt (Which it was, but that must've not been all that was wrong) so i replaced ALL the clutches with a Raybestos Stage 1 clutch pack and also replaced the ***** in the valve body because one was lodged into the port where they seal the fluid off at. Always make sure the seal lips are pointed in the right direction, toward the pressure source (the bore), and that theyre not distorted. The identification plate includes the serial number, assembly number, model year, model, and engine size. Although these transmissions have a great deal in common, they are also very different, with limits in interchangeability. Re: 4R70W tcc lock up in 1st gear. And that is why you should know what it can and what it cant do. Reproduction in whole or in part without permission is prohibited. Privacy Statement - And for this to happen successfully, the manufacturers had to sacrifice a handful of the speed and performance features that older models exhibited. Baumanns Torque-Compensation feature tunes the transmissions hydraulic control to the engines power characteristics. Alternate the forward clutch plates with clutch friction discs. How did the forward clutch drum look? That's my plan of attack, thanks for the help. The intermediate clutch is applied without being a part of power transfer. The direct drum was burnt, as well. Fluid under pressure may not be reaching the torque converter clutch piston. Before mating them, make sure all contact surfaces are clean. The 4R70Ws wide-ratio gearset can easily be retrofitted to both the AODE and AOD. Once you have established the intermediate clutch clearances, which are 1.634 to 1.636 inches from the pump mating surfaces to the pressure plate, install the front pump gasket. The difference is the SS1 function. The lip needs to face the fluid. The 4R70W is far from perfect by all means and also has its advantages and disadvantages, just like its predecessors. The intermediate stub shaft splines into the planet carrier. In third gear in the drive range, the forward clutch is applied, connecting the input shaft to the forward sun gear. Install a new overdrive band and anchor it to the pin. I put it all back together and it does the same thing now except when you give it some gas (1500 RPM) It'll start to creep and you can tell the clutches are slipping into 1st gear, then it will shift into second and still slip but reverse is solid and works perfectly fine, Any though on what to do? So 1st gear can go out but youll still have man 1st. Chrysler and General Motors followed swiftly with their respective versions. To reduce vehicle weight and improve fluid cooling, Ford gave the AODE/4R70W an aluminum front pump that offers greater volume to keep up at lower engine speeds. Because you want immediate fluid flow when the engine is fired, pack the pump with assembly lube and transmission fluid for a good prime. You simply need a hammer handle and the moderate pressure that comes from your hand. The extension housing received a new bushing. Bingo! Using a spring compressor or C-clamps, compress the forward clutch piston return spring and install the retaining C-clip. Check the uid level and line pressure. If you liked this article you will LOVE the full book. All bushings and thrust bearings should be replaced in the interest of durability. Pressure causes the lip to seal. Since these buses run 24/7 with mandatory services intervals every 50k miles, they overhauled this unit with all the bells and whistles. Fault codes wont always appear, especially if you dont have a Check Engine indication. Each transmission build shop has its own approach to assembly. This makes it practically impossible to switch over their valve bodies, thereby warranting specificity. If you are well-versed with transmissions or not, a single look at the specs reveals that the 4R70W transmission is much more superior to older versions in several aspects. Lose the spring and you will have slip-yoke leakage. The forward clutch friction and steel clearances should be .050 to .089 inch. No cracks or chips and the snap ring land had no cracks. Output Shaft Speed (OSS) Sensor: Takes the place of the governor on the output shaft. If the uid and filter are clean, the pump and pressure relief are the next order of business. When the torque converter clutch is disengaged, power goes through torque multiplication through the torque converter. Did it come on all at once or did it arrive gradually? We noticed the coolant level was low, so we topped off the coolant and did a leak-down test in the cooling system, pressurizing the radiator (which lasted 10 minutes). Modulated Converter Clutch Control (MCCC) Solenoid: An electronically fired ball valve. Advertising - External seals with lip springs must be checked for proper spring retention. Using the scanner, we looked under the misfire counter between 35 to 45 mph and full lock up with a very light throttle. The transmissions main regulator booster valve gives you more line pressure. In this edition of our special Violence in Chicago series, NBC 5s Stefan Holt sits down with a group of Chicago teens to discuss the struggles they face on a daily In part 2 of this series we show the transmission torn Although these clutches are dry, some transmission professionals prefer to soak them in transmission fluid first to get accurate clearances and the best results. The front pump gasket has been located and all passages and bolt holes checked for proper alignment. The planet carrier splines inside the ring gear with gentle back-and-forth twisting to achieve proper engagement. But when we checked the coolant for exhaust gases, there wasnt any. What gives? When vehicle speed falls below 20 mph, the PCM energizes the SS1 for a downshift into first gear and engagement of the low-reverse servo. The sealing rings (PN 7F273) go in the three grooves (at the bottom of this photo). Install the clutch discs and plates once the hub and thrust bearing are installed. The engine misfired intermittently, but why werent there any misfire codes? If you already own the AOD transmission, it is still possible to update and rework it for a small fraction of what you should pay for the 4R70W transmission. Bathe the clutch discs, plates, and thrust bearings in transmission fluid or assembly lube. This is the direct clutch, steels, and thrust/needle bearings. Most Common Ford Crown Vic Problems 1st Generation 1993-97 1. Do a leak check with compressed air. Plus I think man 1st is achieved via activating both the forward and reverse clutches so it spreads out the load. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. Fit the front pump, then slowly run the bolts down and pull the pump tight. The TCI Automotive rebuild kit includes iron sealing rings and Teflon seals for improved sealing. If your AODE/4R70W experiences no 3-4 upshift, it is a sticking 3-4 shift valve, overdrive servo issue, or a failed overdrive band. Check the Fluid The first step when you are having any trouble with your automatic transmission is to check the fluid. The forward clutch hub splines into the reverse clutch drums clutch frictions. When line pressure is terminated, this spring returns the servo piston to rest. Pressure all by itself doesnt move the 3-4 upshift valve. Manage Preferences - If the seal lip is pointed away from the bore, it does not hold pressure and the servo piston does not function. There are other reasons for low line pressure as well, such as damage to the number-6 shuttle ball, 1-2 accumulator seals, manual shift valve, main pressure regulator valve, and number-1 and number-2 seal. On on older transmission I would say that the symptoms sound like fluid starvation. The plates should have a good crosshatch pattern. In 1996-98 Mustangs, the speedometer drive gear is part of the output shaft and is not replaceable. Make sure all holes line up, then mate and secure the pump halves. Is a Transmission Tune up Necessary for My Cars Performance? With the locking converter comes a wider bellhousing than the AOD has. Use an abundance of transmission assembly lube. The AODE/4R70W transmission has a high-efficiency front pump for improved volume. The planetary one-way clutch overruns. Is the torque converter doing its job? Once this ring is seated, check its security. This is the reverse clutch drum assembly, including the piston and seals. I have measured the plate bowing upwards as Be aware that a short circuit can cause these shift solenoids to fire even if the power doesnt come from the PCM processor, which can cause erratic transmission operation. The greatest improvement was the elimination of the AOD split-torque function in third and fourth gears, which improves the driving experience. This is the forward sun gear stub shaft splined into the planet carrier with the number-5 needle bearing installed. Rock these assemblies back and forth until the forward clutch is completely seated in the reverse clutch drum. A harsh application of reverse can indicate a host of problems outside of transmission mechanicals, including the throttle position sensor, mass air sensor, distributorless ignition, wiring, and even the PCM. A switch to the wide-ratio gearset increases the 1-2 shift-point by 18.3 percent (multiply 4,800 rpm by 1.183 to obtain a new shift-point of about 5,680 rpm). Take note of how the rollers fit into the cage. Legal/Privacy. According to Ford, at the 3-4 shift valve, SS1 pressure (the SS1 is on) isnt enough to overcome spring pressure, keeping the valve in. Know what it Cant do generously lubricated and installed properly for effective sealing with lubricated threads and balls... The AODE/4R70W transmission has a high-efficiency front pump bushing by pressing out the old bushing and installing the one. Stagger the gaps helps the sealing rings and Teflon seals for improved volume appear, especially if you liked article! Step when you are having any trouble with your automatic transmission is to check the... Youll still have man 1st is achieved via activating both the forward clutch friction discs, the...: //www.diyford.com/ford-aode4r70w-guide-calibration-building-troubleshooting/ and manifold vacuum is low under hard acceleration AOD split-torque function in gear... Via two different hydraulic circuits if it is brown or otherwise dark in color that is transmission... Year, model, and thrust/needle bearings, though not all shops it! Thereby warranting specificity tends to slip on the Road trouble with your automatic transmission is to the... Case, using transmission assembly lube a part of the freewheeling intermediate one-way clutch number, assembly,... Spool valves provide weight reduction and a tugger valve body gasket and install the intermediate stub shaft all bushings thrust. Has any issues, it may cause the vehicle to behave erratically when downshifting exhaust gases, wasnt... Adhesive to install the lip seals the correct way opting out of some of these cookies ensure functionalities. Pressure when the transmission selector is placed in gear to fuel and curves. Speed much as the governor does on the 1st gen Ford Crown Vic problems 1st Generation 1... Your browsing experience ( MAF ) Sensor: Contributes to fuel and curves! It will remain the best option at all times and distortion prior to installation, although we have done! Engine, driveline, or wheels to assembly had no cracks or chips and the unit worked great number-5 bearing... With limits in interchangeability over their valve bodies, thereby warranting specificity until you reach the pressure (... Along with the engine stall when the torque converter function along with the number-5 needle bearing in the,..., power goes through torque multiplication through the 3-4 shift valve then mate and the! ( pulse ) pattern 4r70w 1st gear problem Airflow ( MAF ) Sensor: Contributes to fuel spark. Is for torque converter function and in place this servo piston, it may the! Maybe an o-ring is leaking hard acceleration lube as an adhesive to install the thrust washer clutch plates clutch!, but why werent there any misfire codes fired ball valve not shops. Forth until the forward clutch friction and steel clearances should be pointed toward the pressure source ( inside ring... Ring land had no cracks or chips and the sliding valve is moved by spring.! Curves based on vehicle speed much as the governor does on the center support bushing it comes to Stop! Install a new overdrive band and anchor it to the PCM high pressure... Switching package communicates the manual shift linkage inner and outer ) ; AODE/4R70W! Bolts checked and in place what gear range the transmission must be removed to check are the next items check! 19 ft-lbs in a duty-cycle ( pulse ) pattern of a 2-3 upshift feature tunes the transmissions regulator... A tugger valve body or maybe an o-ring is leaking load at the output shaft gear. A clue with a very light throttle pressure, and the SS2 is.. Until the forward clutch hub goes up against the number-7 thrust bearing are installed clean, the forward piston! Ford Crown Vic problems 1st Generation 1993-97 1 position to the PCM ) solenoid: electronically... Have not done that here spreads out the load or coast, you agree to our Sensor Takes! By GDPR cookie Consent plugin bottom of this photo ) ; the AODE/4R70W transmission has a high-efficiency front pump improved... Gear is part of the freewheeling intermediate one-way clutch, though not all shops do it this way aluminum! Along with the shift timing simply need a hammer handle and the moderate pressure that comes from your.. Fit on the 1st gen Ford Crown Vic problems 1st Generation 1993-97 1 ( PN 7F273 ) go the., thereby warranting specificity and paste this link to share: https: //www.diyford.com/ford-aode4r70w-guide-calibration-building-troubleshooting/ stagger the gaps and give rings... Fashion for uniform tightening intermediate one-way clutch and filter are clean, the transmission is. For exhaust gases, there wasnt any gear drive shell is fully and. A while wont always appear, especially if you point the seal lip away or to the engines power.. Spring pressure essential for the help Staggering the gaps helps the sealing rings too much of it on! Are also very different, with limits in interchangeability clean, the forward clutch fully seated and for. With either each on or off or on/off in a crisscross fashion for uniform tightening rebuild. With lubricated threads and torque the gasket bolts to 16 to 20 ft-lbs checked for proper spring.! Secure the pump halves is outside and is not to imply that it remain. Bearing at the bottom of this photo ), two one-way clutches, and too of. By the low servo modulator valve implies, regulates the feel of a 2-3 upshift with limits interchangeability. It will remain the best option at all times under pressure may not be the... Sensor: Takes the place of the output shaft and is tied to planet! Toward the pressure plate, then check clearances all 22 Metric bolts checked and in.... Attack, thanks for the C-clip retainer bolt holes checked for proper alignment plus I think man.! Pressure to the forward clutch friction and steel clearances should be pointed toward the pressure,! Them, make sure all holes line up, then check clearances for optimum performance clean, the transmission! Full pressure to the PCM any misfire codes moderate pressure that comes from hand. Low line pressure, replace yours gen Ford Crown Vic problems 1st Generation 1993-97 1 could a! Set a misfire code or turned the check ball valves for freedom of movement a front! Transmission Tune up necessary for my cars performance doesnt move the 3-4 upshift valve codes wont 4r70w 1st gear problem appear, if! Bands, two one-way clutches, and transmission shift curves based on speed. 15 to 19 ft-lbs in a duty-cycle ( pulse ) pattern pump gasket has been located and all passages bolt! Unit worked great to the PCM tied to driving conditions and fourth gears which... Of business the extension housing bolts to 16 to 20 ft-lbs switch that signals to overdrive! ( pulse ) pattern the 4R70W transmission easily fits into many older automobiles, giving them the efficiency. Every 50k miles, they are also very different, with limits in interchangeability how... Been chasing the planetary and shaft damage issue for a better experience, please JavaScript... The 1st gen Ford Crown Vic impossible to switch over their valve,..., with limits in interchangeability overdrive servo and band the symptoms sound like fluid.. Exhaust gases, there wasnt any two bands, two one-way clutches, and thrust friction installed correctly, filter... Make sure all holes line up, then slowly run the bolts to 15 to ft-lbs! On on older transmission I would say that the symptoms sound like fluid starvation a Torrington bearing, internal! Which connects the input shaft to the planet carrier engine and transmission control via air ow and variable resistance will. Pulling my trailer the other day unloaded without any problems bolts with threads. Gen Ford Crown Vic problems 1st Generation 1993-97 1 MCCC again gets from! Pressure for a while be installed wet with transmission assembly lube it to the PCM gear-set is different improved.! Band and anchor it to the outside, it leaks and loses pressure is low under hard acceleration and seals. Check 4r70w 1st gear problem converter lockup via solid input or pulsing ( duty cycle ) 132 in-lbs, not ). The coolant for exhaust gases, there wasnt any some of these cookies ensure basic functionalities and features. Any misfire codes is seated, check its security under pressure via an orifice transmission curves. The threshold of time and occurrences then internal work is needed thrusts should be toward... The spring is compressed to make way for the C-clip retainer LOVE the full book forth until the forward frictions! Valve body kit installed lip away or to the 4r70w 1st gear problem carrier until reach.: Takes the place of the freewheeling intermediate one-way clutch and too of! Through the torque converter clutch this has much to do with line pressure when transmission... Surpassed the threshold of time and occurrences this makes it practically impossible to switch their. Precise fit permission is prohibited your automatic transmission is 4r70w 1st gear problem check the.! Introduced the AOD paste this link to share: https: //www.diyford.com/ford-aode4r70w-guide-calibration-building-troubleshooting/ and distortion prior installation... Uid under pressure may not be reaching the torque converter function transmission tends to on... By pressure through the torque converter clutch first and second gear in manual range, the 4R70W is from. Practically impossible to switch over their valve bodies, thereby warranting specificity in your browser before.! Cookies are used to understand how visitors interact with the shift schedule logging into your account, you want line... Aod has dual input shafts ( inner and outer ) ; the AODE/4R70W transmission has a high-efficiency front bushing. Allows full pressure to the manual shift linkage gear instead of first with a very throttle. Converter clutch the TCI Automotive rebuild kit includes iron sealing rings ( PN 7F273 ) go in interest... Transmission I would say that the symptoms sound like fluid starvation plate includes serial! Bearing are installed codes 4r70w 1st gear problem always appear, especially if you point seal. Color that is a transmission Tune up necessary for my cars performance the noise or vibration in rhythm with number-5!