Transaxle (4T80-E): Installation
WARNING: This page is about a different car, the 2003 Oldsmobile Aurora and 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Complete the following if previously removed from the transaxle:
- Install the rear transaxle bracket.
- Install the left transaxle bracket.
- Install the transaxle cooler pipe.
WARNING: Ensure clearance is maintained between the transaxle and the following:- The brake pipes.
- The secondary AIR pipe.
- The power steering pressure hose.
- The wiring harnesses.
- Carefully raise the transaxle to the engine in a tilted position in order to clear the starter nose cone.
- Align the transaxle with the engine and position the transaxle onto the engine dowels.
- Install the transaxle-to-engine bolt (2). See Figure. Tighten to specification. See TORQUE SPECIFICATIONS .
- Connect the vehicle speed sensor electrical connector.
- Install the engine-to-transaxle center brace and heat shield. See Figure.
- Install the bolts securing the front transaxle brace to the transaxle. See Figure.
- Raise the transaxle and install the nut (1) securing the transaxle mount to the transaxle mount bracket. See Figure. Tighten nut to specification. See TORQUE SPECIFICATIONS .
- Remove the transaxle jack and adapter.WARNING: Line up the flywheel and converter using the alignment marks made during disassembly.
- Install torque converter-to-flywheel bolts. See Figure. Tighten to specification. See TORQUE SPECIFICATIONS .
- Install the torque converter cover assembly.
- Install the engine-to-transaxle bracket lower bolt (1). See Figure. Tighten to specification. See TORQUE SPECIFICATIONS .
- Install the right and left drive shafts (2) to the transaxle (1). See Figure.
- Install the 3 ground connections to the side of the transaxle. See Figure. Tighten to specification. See TORQUE SPECIFICATIONS .
- Connect the transaxle main electrical harness connector.
- Install the left transaxle brace to the powertrain assembly. See Figure.
- Install the bolt and nut securing the left transaxle brace to the transaxle. Tighten to specification. See TORQUE SPECIFICATIONS .
- Install the front frame assembly to the vehicle. See FRAME REPLACEMENT .
- Install the left front fascia extension.
- Install the stabilizer shaft links. See appropriate FRONT article in SUSPENSION.
- Lower the vehicle.
- Connect the lower transaxle oil cooler pipe to the transaxle. See Figure.
- Install the upper transaxle oil cooler pipe to the radiator. See Figure.
- Install the remaining transaxle-to-engine bolts (1). See Figure. Tighten to specification. See TORQUE SPECIFICATIONS .
- Remove the engine support fixture.
- Install the range selector cable bracket to the studs on the transaxle. See Figure.
- Install the heater pipe to the stud on the transaxle.
- Install the nuts that retain the heater pipe and the range selector cable bracket to the transaxle. Tighten to specification. See TORQUE SPECIFICATIONS .
- Connect the range selector cable terminal (1) to the transaxle range selector lever. See Figure.
- Install the Magnasteer wire to the retaining clip.
- Connect the transaxle vent tube to the accelerator bracket.
- Install the brake pipe retainers to the side rail.
- Install the upper and lower air cleaner assemblies.
- Flush the transaxle oil cooler. See LUBRICATION in appropriate SERVICING article.
- Fill transaxle with appropriate fluid to proper level. See LUBRICATION in appropriate SERVICING article.
- Check the front wheel alignment. See appropriate SPECIFICATIONS & PROCEDURES article in WHEEL ALIGNMENT. Adjust the toe as necessary.
- Clear the transaxle adaptive pressures (TAPS). See appropriate DIAGNOSIS article.
- Road test the vehicle and check for transaxle leaks.