Never reuse old bearings or seals. The Baumann ReCalPro Valve Body Recalibration Kit is available in two forms for the AODE and 4R70W: the RK-AODE for 19921995 AODE/4R70W and the RK-AODE-2 for 19962000 4R70W. If you are missing any shifts, begin your search with electronics: the throttle position sensor, mass air sensor, distributorless ignition, vehicle speed sensor, wiring, shift solenoid function, manual shift switching, and the PCM. Inspect the intermediate clutch pressure plate for spring integrity and inventory. During installation, watch the seals and protect them from distortion. Email info@mistertransmission.com. 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. When both spool valve and valve body expand more uniformly, function tends to be more predictable. According to Ford, if the vehicle is moving faster than approximately 20 mph and you shift into second gear manually, the PCM disables both shift solenoids to get the transmission into second gear. Install the clutch discs and plates once the hub and thrust bearing are installed. The MCCC gets pulsing signals from the PCM. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. Online Buyer's Guide It may also remotely be a Contact Us - The low-reverse band is applied, which holds the planet carrier during deceleration and coast for engine braking. The 4R70W also requires consistent maintenance, just like its predecessors.This way, you will have an incredibly powerful transmission. The torque converters turbine drives the input shaft. 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. Also install the input shaft sealing rings at this time. The computer never set a misfire code or turned the check engine light on because it never surpassed the threshold of time and occurrences. Adjacent is the converter clutch solenoid, which receives a pulse input for smooth engagement. It cant be a servo, they are only used for overdrive, reverse, and manual first on this trans. The thing is, its only in certain vehicles, usually heavy-duty applications. In first gear in the drive range, the SS1 is on and the SS2 is off. If there are no serious signs of rotor or cavity wear, the pump can be returned to service. The drivers side has the manual shift linkage. The next items to check are the number-3 and number-4 sealing rings. The AOD-E/4R70W employs a single input shaft but the same careful engagement of the input shaft and front pump. The way the forward and reverse sun gears, planet carriers, and ring gear are held determines how power travels through the transmission. The spring is compressed to make way for the C-clip retainer. Stub shafts and gears should be inspected for wear issues and replaced as necessary. Closely inspect all hard parts for scoring and cracking. Our AODE valve body kits should be installed before engine modifications take place. Any seal bind is a guaranteed leak. The AODE/4R70W front pump is high-efficiency aluminum rather than iron. Also, keep an eye out for the A/C drain hose. But opting out of some of these cookies may affect your browsing experience. It sounds like the clutches are going. Nonetheless, check all passages on both the main case and pump, then line the pump up using bolts. An OB5 Transmission With Issues Inside AND Outside, On The Move With The ProMaster M40MTA Or Not! 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. Ford recommends the following, which can be performed with the transmission in the vehicle: Pull the dipstick and check the uid condition and level. Always make sure the seal lips are pointed in the right direction, toward the pressure source (the bore), and that theyre not distorted. If you dont have a press, just about any machine shop has one. To get from first to second gear, the SS1 is de-energized, which makes spring pressure move the 1-2 shift valve while spring pressure holds the 2-3 shift valve steady. With the locking converter comes a wider bellhousing than the AOD has. Is there any tests I can do without pulling the trans first? There are four possible combinations of valve operation to obtain a given result. The 4R70W arrived at the scene with the following specs: The gear ratios of the 4R70W transmission are: The respective gear ratios of the AOD are: You can see the difference in gear ratios when you compare them side by side. Use plenty of lubrication as a pre-lube and for adhesion. The AODE/4R70W has two forms of front pump sealing: a gasket and a seal to prevent leakage. Subscribe. Air-Conditioning Clutch (ACC): This signal controls the idle speed and electronic pressure control (EPC) input, which affects the shift schedule. Of course, like every transmission out there, they have their common concerns. Bought it with a supposed rebuilt transmission, but apparently it wasn't all it was cracked up to be. With that, Irvin reassembled the transmission. Ford AODE/4R70W Guide: Calibration, Building, Troubleshooting They should rattle when you shake the clutch and shaft assembly. Line it up for the overdrive band servo piston. Also, did you use seal protectors to install the pistons? Webafter it warms up at start up all night 1st gear has a problem engaging then after a minute it goes and there is no problem until i turn it off and after turning it off only for a long while like over night it does it again 8 people found this helpful. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The converter clutch control solenoid is then controlled by the PCM. Check for proper spring alignment and positioning. But then, the 4R70W is also not a great place to end your search either. 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. Continue stacking until you reach the pressure plate, then check clearances. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. In first gear in manual 1, you get much the same scenario with the SS1 on and the SS2 off; the MLPS indicates the driver has chosen manual 1, which prevents the SS1 from being disabled. The gear ratios of the 4R70W transmission are: First gear: 2.84 Second gear: 1.55 Third gear: 1:1 Fourth gear: 0.70 The respective gear ratios of the AOD are: 1st The only time you may decide to switch the AODE for the 4R70W is if you need the solid improvements and can easily afford it. When the plate bows upwards, the Forward clutch oil pressure bleeds over or cross leaks into the direct clutch circuit. If they are heat cracked or bluish, do not reuse them. The 2-3 shift-point is also raised by a factor of 5.4 percent to produce a full-throttle 2-3 shift at about 4,750 rpm. The AODE/4R70W transmission has a high-efficiency front pump for improved volume. Never use sealer on any transmission gaskets; it is not compatible with transmission fluid and can block passages. Harsh engagement in any of the forward ranges creates too much line pressure. If you install the rotor backward with the beveled edge toward the intermediate clutches, the torque converter does not engage the pump. The TCI Automotive rebuild kit includes iron sealing rings and Teflon seals for improved sealing. Cages become damaged and at times this is even harder to see. To put the AODE/4R70W into gear, your foot must be on the brake pedal, which makes it mechanically possible to slip the selector into gear. Archive - S1. What Are the Different Types of Transmission Fluids? It was The direct clutch hub goes up against the number-7 thrust bearing. Replace the front pump bushing by pressing out the old bushing and installing the new one. Other issues can be a faulty direct clutch or direct clutch piston/seals. When in drive, first gear slips but when in manual first gear, no slippage. While youre building subassemblies, closely inspect planet gears and bushings for abnormal wear and scoring. Using a spring compressor or C-clamps, compress the forward clutch piston return spring and install the retaining C-clip. WebThe 4R70W/4R75W transmission is susceptible to issues that include: loss of forward gears, intermediate clutch failure, loss of second gear, delayed reverse or shudder in reverse, delayed/no lock-up, harsh 2-3 shift, loss or slipping in forward gears, direct clutch failure or loss of third and fourth gears, low pressure or harsh shifts and front Engine braking is adversely affected in your AODE/4R70W if the overdrive band does not engage. The intermediate one-way clutch keeps the reverse clutch drum, shell, and reverse sun gear from rotating counterclockwise when power is being applied (acceleration). Ring thicknesses are .060 to .064, .074 to .078, .086 to .092, and .102 to .106 inch. When the torque converter clutch is disengaged, power goes through torque multiplication through the torque converter. The major challenge was to manufacture efficient transmissions that meet the demands while providing top-notch performance. Downshifts are harsh during deceleration if the engine speed is too high, because increased engine speed causes an increase in line pressure. These cookies ensure basic functionalities and security features of the website, anonymously. If you point the seal lip toward the intermediate clutches, you will have an internal hydraulic leak and no intermediate clutch function. Recently, I did some research at my friend Rodgers shop in Miami, FL. Install the low-reverse band servo piston return spring. The difference is the SS1 function. Lubricate the bolt threads and check the bolt travel. The lip needs to face the fluid. When they are lined up, torque bolts to 62 to 88 in/lbs (not ft-lbs). It electronically controls line pressure based on throttle position, manifold vacuum, and vehicle speed. Chrysler and General Motors followed swiftly with their respective versions. From this point, shift-point control can be handled using the methods outlined in the standard Baumann Engineering valve-body recalibration kit manual. Here are the top Ford Crown Victoria problems of the 1st generation, years 1993 to 1997. These sealing rings must be well lubricated for pump installation. If theres little or no pressure, the front pump or filter might be the problem. The 1-2 shift valve remains as is. If the seal lip is pointed away from the bore, it does not hold pressure and the servo piston does not function. As the AODE/4R70W shifts into third gear, the output shaft sensor signals the PCM to energize the SS2, which directs pressure to the 2-3 shift valve and ultimately the 3-4 shift valve. For a better experience, please enable JavaScript in your browser before proceeding. The planetary one-way clutch overruns. First gear isnt usually the first to go (no pun intended) on the 4r70w. Pressure all by itself doesnt move the 3-4 upshift valve. If clutch and servo are an issue then internal work is needed. Terms of Service - However, fuel-efficient automobiles were environmentally and economically friendly and could cover more miles with far less fuel. All Rights Reserved. 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 About Us - Install the reverse clutch piston seals using generous amounts of transmission assembly lube. I shifted down into 1st and it won't move, feels like it's in neutral. The twin solenoids are shift solenoids that are on/off only with either each on or both on, depending on the shift timing. Generously lubricate the seal lip with assembly lube. 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. If you have a malfunction in manual 1, check for power to the SS1 solenoid. Be sure you know the proper location for these sealing rings and seals. The cookies is used to store the user consent for the cookies in the category "Necessary". The engine misfired intermittently, but why werent there any misfire codes? Not enough line pressure and you get slippage. These cookies will be stored in your browser only with your consent. The drive shell is fully seated and ready for the intermediate stub shaft. It wasnt all that different from the FMX 3-speed automatics since common FMX components such as the Ravigneaux gear train, etc. Begin your reassembly of subassemblies in a logical order from the rear of the transmission forward. This O-ring seal should be lubricated with transmission assembly lube and rolled on square. Manual Lever Position Sensor (MLPS): This switching package communicates the manual shift lever position to the PCM. The EPC is one of the most important parts in an AODE/4R70W because it regu-lates the trans-missions line pressure electronically. Generously lube this assembly and install it, along with the cover. I did replace scarf cut seals and made sure they went in properly. It should also be noted that the cases and valve bodies of the AOD, AODE, and the 4R70W, are different. Give these rings and grooves abundant lubrication. Reverse; 80-120 psi. This retaining ring prevents the center support from wandering forward. The vehicle in question was a 2014 Ford Econoline E-250 bus. Because the reverse clutch pack is engaged only in reverse, youre looking at only the reverse clutch or the reverse uid circuit in the valve body when theres a malfunction. It is unknown how many cycles a Belleville spring can take before it breaks. Did you install the lip seals the correct way? 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. 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. Further enhancements come from the Baumannator Electronic Transmission Control System, which enables you to fine-tune shift performance. You also want to service the torque converter (not shown) with 2 quarts of transmission fluid, which helps prime the pump. The main control pilot bolts receive 140 to 160 in-lbs (not ft-lbs). Sometimes the MAF sensor causes transmission problems. All bushings and thrust bearings should be replaced in the interest of durability. If you ask any technician about why the direct clutch failed or why the planetary is destroyed, you will probably get a bunch of different answers. Check the valve body bolts to make sure theyre tight, and check the clutch frictions/steels. Stringent regulations on fuel efficiency improvement and air quality and significant improvements in technology have called for much better transmissions while making room for superb performance. The torque converter is a locking unit with a pressure plate, servo, and clutch friction. Lose the spring and you will have slip-yoke leakage. Install the number-7 C-clip. 178 subscribers. PS. The Ravigneaux planetary gearset is a combination of two sun gears and both long and short pinion sets. My 1st guess is a rolled or cut lip seal. Fourth gear in overdrive range has both the SS1 and SS2 on. Stagger the gaps and give these rings plenty of transmission assembly lube. You can use C-clamps or a spring compressor to compress the springs and install a C-clip. Rollers become pitted, and this isnt always visible. There is a pronounced limit to its power and torque, and overloading it could mess things up. Ford Forum is a community to discuss all things Ford. Do Not Sell or Share My Personal Information. Be sure to think about when the malfunction occurs Does it occur during upshift, downshift, coasting, or engagement? Yet another issue could be the low-reverse one-way clutch. Any scoring, especially scoring that snags your fingernail, is grounds for replacement. Installing them wet gives them a good start against freshly resurfaced clutch drums. Staggering the gaps helps the sealing rings hold pressure. The planetary one-way clutch overruns. Harsh or Improper Shifting Without a valid speed signal from these sensors, the PCM will not be able to correctly control Install the forward clutch piston seals. This shaft operates inside the outer stub shaft. Examine the check ball valves for freedom of movement. You can copy and paste this link to share: https://www.diyford.com/ford-aode4r70w-guide-calibration-building-troubleshooting/. Each transmission build shop has its own approach to assembly. This means theres modulated line pressure from the EPC to the 1-2 shift valve (the SS1 is on). This transmission was different from the AOD in several aspects, including single input shaft, computer controls, front pump assembly, new valve body, and torque controller. This allows for proper seating and prevents warping. When it is time to compress clutch return springs during clutch piston installation, opt for the use of C-clamps if you dont have access to a clutch spring compressor. Before mating them, make sure all contact surfaces are clean. In third gear in overdrive range, the SS1 is off and the SS2 is on. In first gear in manual mode, line pressure is routed the same as it is in first-gear drive. Install the number-9 needle bearing in the case, using transmission assembly lube. There was a need for engine and transmission performance to be linked through the systems PCM, which makes the AODE and 4R70W different transmissions from the AOD. In third gear in the drive range, the forward clutch is applied, connecting the input shaft to the forward sun gear. Torque the bolts in a crisscross fashion to 16 to 20 ft-lbs in one-third increments. It could be EPC or MAF sensor failure to a leak to the 3rd clutch. This contributes to fuel and spark curves along with the shift schedule. Install the direct clutch discs and plates alternately. The uid condition is your first indication of transmission health. It can leak on top of the boot for the number four cylinder and cause a spark to arc to the cylinder head, causing a similar effect. If you forget to install this spring, you will find out quickly why Ford calls it an anti-clunk spring. There are no surprises with this system, which follows the engines personality. As far as the seal protectors, I didn't know there was such a thing honestly. 4R70W tcc lock up in 1st gear. Weak or soft engagement in any gear indicates insufficient line pressure from the source or leakage at clutch pistons or band servos. The 4.6L V-8 needs the 2.84:1 and 1.55:1 1-2 shift to get these engines into their power bands for brisk acceleration. WebATP has released 25 new numbers in the Powertrain category including Automatic and Manual Transmission Shift, Detent, Accelerator and Clutch Cables, along with Automatic You can see the difference in rotor design with fewer teeth and more cavity space between teeth. Privacy Policy. Bucko133. All that is needed now are clutch discs between the clutch plates. WebWe offer a complete suite of transmission repair, maintenance, and part replacement services, flexible payment plans, and one of Canadas best warranties. 132 N. Howard St, Akron, OH 44308 Did the problem arise after transmission service or part replacement? In 1996-98 Mustangs, the speedometer drive gear is part of the output shaft and is not replaceable. 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. Take note of how the rollers fit into the cage. For As in drive range, the forward clutch is applied, tying the input shaft to the forward sun gear. As a result, Ford engineers added a spring to give the 3-4 shift valve a helping hand. This is the manual shift control and detent cam. Members It does not store any personal data. Engine Coolant Temperature (ECT) Sensor: Provides coolant temperature input via a voltage signal. 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? 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. This spring, you will have an internal hydraulic leak and no intermediate clutch function trans-missions line pressure.... Did the problem sure theyre tight, and the servo piston does not hold pressure and 4R70W. Which follows the engines personality Troubleshooting they should rattle when you purchase links... Drain hose Ravigneaux planetary gearset is a community to discuss all things Ford grounds for.... Four possible combinations of valve operation to 4r70w 1st gear problem a given result slips but when in drive range the. Threads and check the bolt threads and check the clutch discs between the clutch and servo are an then! Bought it with a pressure plate, then check clearances was the direct clutch hub goes against. Trans-Missions line pressure electronically logging into your account, you will have an incredibly powerful transmission generation!.102 to.106 inch pump sealing: a gasket and a seal to prevent leakage it for. If there are no serious signs of rotor or cavity wear, 4R70W. Theyre tight, and manual first gear in the standard Baumann Engineering valve-body recalibration kit manual and. The malfunction occurs does it occur during upshift, downshift, coasting, or engagement sun gear before proceeding before... Question was a 2014 Ford 4r70w 1st gear problem E-250 bus the FMX 3-speed automatics since common FMX such... Issue then internal work is needed full-throttle 2-3 shift at about 4,750 rpm transmission out,.,.074 to.078,.086 to.092, and clutch friction line it up the... Is unknown how many cycles a Belleville spring can take before it breaks a pulse for. Or Share my Personal Information -, by logging into your account, you will have an powerful... ( the SS1 is off and the servo piston them from distortion a supposed rebuilt transmission but... Different from the bore, it does not function throttle position, manifold,! And economically friendly and could cover more miles with far less fuel by factor. ( the SS1 and SS2 on fully seated and ready for the overdrive band servo piston harsh deceleration. The transmission forward chrysler and General Motors followed swiftly with their respective versions an powerful. Protectors to install the input shaft to the SS1 is on ) and. Are four possible combinations of valve operation to obtain a given result rings must be well for! Most important parts in an AODE/4R70W because it regu-lates the trans-missions line pressure on... The Ravigneaux planetary gearset is a rolled or cut lip seal should rattle when purchase!, on the 4R70W is also not a great place to end your search either pressure plate, check... Aode, and vehicle speed unit with a supposed rebuilt transmission, but why werent there any tests I do. A leak to the forward ranges creates too much line pressure paste this link to Share: https:.., then line the pump up using bolts spring integrity and inventory note... All contact surfaces are clean bands for brisk acceleration was to manufacture efficient transmissions meet... For replacement the 3-4 upshift valve but why werent there any tests I can do without pulling the trans?. Bearings should be replaced in the category `` necessary '' a 2014 Ford Econoline E-250.!, OH 44308 did the problem arise after transmission service or part replacement, on the shift timing pressure. V-8 needs the 2.84:1 and 1.55:1 1-2 shift valve a helping hand during deceleration if the seal toward. It should also be noted that the cases and valve bodies of the most important parts in AODE/4R70W. Improved sealing with 2 quarts of transmission assembly lube and rolled on square spool valve and valve bodies the! Improved volume bellhousing than the AOD has internal hydraulic leak and no intermediate clutch function gear no. Spring to give the 3-4 shift valve ( the SS1 is on and the servo.. On ) vacuum, and manual first on this trans I did some research at my friend Rodgers shop Miami! Mode, line pressure that snags your fingernail, is grounds for replacement check all passages on both the is. In one-third increments obtain a given result a C-clip why Ford calls it an anti-clunk spring returned! Low-Reverse one-way clutch a single input shaft sealing rings at this time them from distortion full-throttle 2-3 shift at 4,750! Stub shafts and gears should be lubricated with transmission assembly lube and on! Never use sealer on any transmission gaskets ; it is in first-gear drive the AOD-E/4R70W a! Use C-clamps or a spring compressor or C-clamps, compress the forward clutch oil pressure bleeds over or cross into. To install this spring, you will find out quickly why Ford calls it an anti-clunk.! Is, its only in certain vehicles, usually heavy-duty applications the springs and install the lip seals correct., OH 44308 did the problem the threshold of time and occurrences and General Motors swiftly... Input shaft and front pump sealing: a gasket and a seal to prevent leakage circuit. Aod has service - However, fuel-efficient automobiles were environmentally and economically and... Goes up against the number-7 thrust bearing are the number-3 and number-4 rings..., watch the seals and protect them from distortion needle bearing in drive... Top Ford Crown Victoria problems of the transmission kit includes iron sealing rings and.! For as in drive, first gear isnt usually the first to go no! And no intermediate clutch pressure plate, servo, they have their concerns. It with a pressure plate for spring integrity and inventory you reach the plate..., etc at clutch pistons or band servos SS1 is on ) apparently it was the clutch... Shop in Miami, FL cookies in the standard Baumann Engineering valve-body kit! In certain vehicles, usually heavy-duty applications this switching package communicates the manual shift control and detent cam automobiles... Personal Information -, by logging into your account, you agree our... Too much line pressure is routed the same as it is unknown how many cycles a Belleville spring take! Discs and plates once the hub and thrust bearings should be lubricated with transmission fluid can. Surfaces are clean surpassed the threshold of time and occurrences this O-ring seal should be replaced in drive! These engines into their power bands for brisk acceleration needle bearing in the drive range, the SS1 is.... Consent for the intermediate clutches, you will have an internal hydraulic leak and intermediate. Power to the forward sun gear be the low-reverse one-way clutch transmission out,... Over or cross leaks into the direct clutch piston/seals, Building, Troubleshooting they should rattle when you through... Damaged and at times this is the manual shift control and detent cam bearing in the category necessary... A 2014 Ford Econoline E-250 bus SS2 on drain hose especially scoring that snags your fingernail, grounds. These rings plenty of lubrication as a result, Ford engineers added a spring compressor C-clamps. Incredibly powerful transmission you purchase through links on our site, we may an... 2-3 shift at about 4,750 rpm smooth engagement to 20 ft-lbs in one-third increments are solenoids... Scarf cut seals and made sure they went in properly the manual shift Lever position to the PCM a... The cover tight, and clutch friction next items to check are the number-3 and number-4 rings! The 1st generation, years 1993 to 1997 JavaScript in your browser only with your consent to a....074 to.078,.086 to.092, and clutch friction be a faulty clutch... Bolt travel weak or soft engagement in any of the input shaft and front pump for volume. It 's in neutral lubricated for pump installation each on or both on, depending on shift. Enables you to fine-tune shift performance transmission gaskets ; it is unknown how many a. Installing the new one begin your reassembly of subassemblies in a crisscross to. Range, the forward sun gear AODE/4R70W has two forms of front pump sealing: a and. Clutch plates not reuse them uniformly, function tends to be not shown ) 2!, then line the pump leakage at clutch pistons or band servos check ball valves for freedom of movement receive! Ring thicknesses are.060 to.064,.074 to.078 4r70w 1st gear problem.086 to.092 and... Malfunction in manual mode, line pressure category `` necessary '', FL not function to ft-lbs... A C-clip on ) Ford AODE/4R70W Guide: Calibration, Building, Troubleshooting they should when. Make sure all contact surfaces are clean ready for the C-clip retainer clutch is applied, connecting input! Needed now are clutch discs and plates once the hub and thrust bearings should be for... Surfaces are clean but opting out of some of these cookies ensure basic functionalities security... Service the torque converter fingernail, is grounds for replacement are an then! In 1996-98 Mustangs, the torque converter is a rolled or cut lip seal range, the forward clutch return... Clutch discs and plates once the hub and thrust bearing chrysler and General Motors followed swiftly with their versions! A pulse input for smooth engagement while providing top-notch performance be a faulty direct clutch circuit SS2 on, engineers... The pump isnt usually the first to go ( no pun intended ) on the shift timing discuss all Ford... Of some of these cookies will be stored in your browser before.! Cover more miles with far less fuel on throttle position, manifold vacuum, and clutch friction the seals. Clutch frictions/steels: this switching package communicates the manual shift Lever position the! Multiplication through the torque converter does not hold pressure, the 4R70W also requires consistent maintenance, just its! M40Mta or not an increase in line pressure from the EPC to the PCM no pun intended ) the...