You can never have too much. Coat the gear teeth and bearing with assembly lube and work the sun gear back and forth. Color and type are important for proper installation and leakage prevention. The transmission featured a split-torque application for third gear as well as a lockup in the torque converter. With a Ravigneaux compound planetary gearset, load is distributed across a broad surface area for smoothness and less wear.
Never use the wider band without using the wider drum. Shift Better, Last Longer When it comes to transmissions, no other company provides this level of commitment to their clients. The carrier and one-way clutch should be lubed with transmission assembly lube and checked for proper operation. The 4R70W has a clever wire channel A that anchors into place with good security. Step 7: Seat Direct Clutch The planet carrier can be seated into the ring gear and direct clutch with a little twisting of the small input shaft, which is splined into the direct clutch. Direct Clutch Drum Bushing, 10. Step 16: Check Forward Clutch Clearances Load the pressure plate after all frictions and steels are in.
Step 13: Install Forward Clutch Piston Return Springs Use a C-clip retainer with the clutch piston return spring. Fluid under pressure flows first through the outer hollow input shaft during torque multiplication acceleration and light throttle and into the geartrain in ranges 1-2-3 and reverse. Step 2: Install Belleville Spring The Belleville spring is a clutch piston return spring. Planet gears should feel solid with no wobble, indicating acceptable inside gear and bushing wear. Fuel had long been cheap and plentiful, and it was a great ride while it lasted. This type gets rid of heat best, thanks to its cooling fins and the heat transfer advantages of cast aluminum. Step 9: Install Front Pump Seal Use plenty of transmission assembly lube to install the pump perimeter seal.
If you want more fluid capacity and better cooling, go with a finned cast-aluminum pan. Confirm the bolt-hole alignment by hand-threading bolts and carefully run the bolts down. Mate the reverse clutch to the forward clutch and input shaft. Between the snap ring and anti-clunk springs, the center support should be secure. Intermediate Clutch Installation Step 1: Install Intermediate Clutches Place the intermediate clutch discs and steel plates in the case. The one lone solenoid C is for converter lockup in overdrive.
It involves modifying the valve body separator plate and gaskets as well as changing or removing accumulator springs to alter the shift timing of the transmission. Step 5: Install Direct Clutch Discs and Plates Drop the direct clutch discs and plates into the clutch cylinder. Ford 4r70w basic transmission rebuild kit 20032010 clutches 4r70w transmission banner plus rebuild kit 20032010 buy now from global transmission parts. The differences are surprisingly few. During normal acceleration, you want a firm but not hard shift.
Unsourced material may be challenged and. Step 8: Assemble Reverse and Forward Clutches Stack the reverse clutch drum on top of the forward clutch and input shaft. LenTech goes beyond the torque converter and geartrain in its quest for performance; it also looks at hydraulics. The throttle valve system controls line pressure and shift-points based on throttle position only. Rear Planetary Gear Bushing, 9. It also works retroactively in cars from the 1960s and 1970s that originally contained Ford C-4 transmissions.
Step 8: Install Direct Clutch Steels and Frictions The direct clutch discs and plates drop in alternately. You should stay with a stock Ford transmission pan because they are of the best quality. The key to success is watching the clutch seals carefully as you go. Apply pressure on the cover and seat the snap ring. From inside the case, you can see that the parking pawl engages the ring gear assembly, locking the output shaft. Step 5: Orient Pump Gears The front pump is a gear type, which provides a steady, uninterrupted flow of fluid under pressure. Do a gentle throttle tip-in and get both slippage and torque multiplication in third and fourth gears.
And Ford was no exception. You may also use C-clamps. The project was shelved with a design that lacked a dampener in the torque converter but after the project was revisited a dampener ultimately made its way into the final design. Aode transmission parts aod aode 4r70 automatic transmission parts diagram exploded view. Step 2: Install Direct Clutch Assembly The direct clutch slips inside the ring gear onto the output shaft where those beige sealing rings are. Soak the clutch discs in transmission fluid before installation as fluid affects clutch thickness and clearances. These rings all contain line pressure much like an engine piston ring contains cylinder pressures.
Snap rings are of different thicknesses to yield desired clearances. Seat them into the ring gear and direct clutch. Step 3: Install Direct Clutch Piston Press the direct clutch piston into place using seal protectors to safeguard the piston seals. Like the other Deluxe Super Kits, it is the recommended starting point for a thorough transmission overhaul. Even the smallest speck of dust can cause leakage and pressure loss.
Do the same with clutch discs after you saturate them in fluid. Could Ford's Maligned Overdrive Automatic Become The Turbo 400 Of The 21st Century? Like the other Deluxe Super Kits, it is the recommended starting point for a thorough transmission overhaul. A small filtering screen should always be included. Introduced in 1980, it was 's first four-speed automatic overdrive transmission. Hard parts are rugged and can typically survive several overhauls. Besides utter reliability for most street and race applications, this also means that there will be no more hunting for gears in slow-moving traffic: Pick a gear, and it stays there. The transmission side of the pump fits only one way.