Steering Gear Replacement Electronic Power Steering
Removal Procedure
Notice: Secure the steering wheel utilizing a strap to prevent rotation. Locking of the steering column will prevent damage and a possible malfunction of the SIR system. The steering wheel must be secured
in position before disconnecting the following components:
After disconnecting these components, do not move the front tires and wheels. Failure to follow these procedures may cause improper alignment of some components during installation and result in possible damage to the SIR coil.
- Turn the front wheels to the straight forward position and secure the steering wheel from moving.
- Disengage the rack and pinion outer tie rod ends from the steering knuckles. Refer to
Steering Linkage Outer Tie Rod Replacement.
- Separate the intermediate steering shaft from the steering gear. Refer to
Intermediate Steering Shaft Replacement.
- Remove the transmission rear mount bolt.
- Remove the steering gear bolts, nuts, and washers from the steering gear.
Important: The position of the steering gear will need to be manipulated to remove it through the left front wheel opening.
- Remove the steering gear through the left front wheel opening.
- Transfer any parts as needed.
Installation Procedure
- Install the steering gear through the left front wheel opening.
Notice: Refer to Fastener Notice in the Preface section.
Important: Start all of the bolts and nuts by hand before finalizing any torques.
- Install the steering gear bolts, nuts, and washers to the steering gear.
Tighten
Tighten the bolts to 70 N·m (52 lb ft) plus an additional 90 degrees.
- Install the transmission rear mount bolt.
Tighten
Tighten the bolt to 90 N·m (66 lb ft).
- Install the intermediate steering shaft to the steering gear. Refer to
Intermediate Steering Shaft Replacement.
- Install the rack and pinion outer tie rod ends to the steering knuckles. Refer to
Steering Linkage Outer Tie Rod Replacement.
- Adjust the front toe. Refer to
Front Toe Adjustment.
Steering Gear Replacement Hydraulic Power Steering LY7
Removal Procedure
Notice: Secure the steering wheel utilizing a strap to prevent rotation. Locking of the steering column will prevent damage and a possible malfunction of the SIR system. The steering wheel must be secured
in position before disconnecting the following components:
After disconnecting these components, do not move the front tires and wheels. Failure to follow these procedures may cause improper alignment of some components during installation and result in possible damage to the SIR coil.
- Turn the front wheels to the straight forward position and secure the steering wheel from moving.
- Remove as much power steering fluid from the remote power steering fluid reservoir as possible.
- Place drain pans under the vehicle as needed.
- Disengage the rack and pinion outer tie rod ends from the steering knuckles. Refer to
Rack and Pinion Outer Tie Rod End Replacement
- Separate the intermediate steering shaft from the steering gear. Refer to
Intermediate Steering Shaft Replacement
.
- Remove the steering gear heat shield from the steering gear.
- Remove the transmission brace bolt.
- Remove the transmission rear mount bolt and position the transmission brace aside.
- Loosen the rear transmission mount bracket bolt.
- Remove the 2 remaining transmission rear mount bolts.
- Remove the 3 rear transmission mount bracket nuts.
- Position the transmission rear mount and bracket aside.
- Remove the power steering gear inlet hose bolt and disconnect the power steering gear inlet hose and the power steering gear outlet
hose from the steering gear.
- Remove the steering gear bolts, nuts, and washers from the steering gear.
Important: The position of the steering gear will need to be manipulated to remove it through the left front wheel opening.
- Remove the steering gear through the left front wheel opening.
- Transfer any parts as needed.
Installation Procedure
- Install the steering gear through the left front wheel opening.
Notice: Refer to Fastener Notice in the Preface section.
Important: Start all of the bolts and nuts by hand before finalizing any torques.
- Install the steering gear bolts, nuts, and washers to the steering gear.
Tighten
Tighten the bolts and nuts to 110 N·m (81 lb ft).
- Connect the power steering gear inlet hose and the power steering gear outlet hose to the steering gear and install the power steering
gear inlet hose bolt.
Tighten
Tighten the bolt to 27 N·m (20 lb ft).
- Position the transmission rear mount and bracket in place.
- Install the 3 rear transmission mount bracket nuts.
Tighten
Tighten the nuts to 50 N·m (37 lb ft).
- Install the 2 remaining transmission rear mount bolts.
- Position the transmission brace in place and install the transmission rear mount bolt.
Tighten
Tighten the 3 bolts to 50 N·m (37 lb ft).
- Install the transmission brace bolt.
Tighten
Tighten the bolt to 50 N·m (37 lb ft).
- Tighten the rear transmission mount bracket bolt.
Tighten
Tighten the bolt to 50 N·m (37 lb ft).
- Install the steering gear heat shield to the steering gear.
- Clean any excess power steering fluid from the vehicle and remove the drain pans.
- Install the intermediate steering shaft to the steering gear. Refer to
Intermediate Steering Shaft Replacement
.
- Install the rack and pinion outer tie rod ends to the steering knuckles. Refer to
Rack and Pinion Outer Tie Rod End Replacement
- Fill and bleed the power steering system. Refer to
Power Steering System Bleeding
.
- Adjust the front toe. Refer to
Front Toe Adjustment
.
Steering Gear Replacement Hydraulic Power Steering LZ4, LZ9
Tools Required
J 24319-B
Universal Steering Linkage and Tie Rod Puller
Removal Procedure
- Turn the steering wheel to the straight forward position, support it from movement, and remove the key from the ignition.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Remove the front tires and wheels. Refer to
Tire and Wheel Removal and Installation.
- Remove the tie rod end castle nuts.
Notice: Do not free the ball stud by using a pickle fork or a wedge-type tool.
Damage to the seal or bushing may result.
- Using the
J 24319-B
, separate the tie rod ends from the steering knuckles.
- Remove the intermediate shaft to steering gear pinch bolt (1). Discard the bolt.
Important: Secure the steering wheel in the straight forward position before separating the intermediate shaft from the steering gear, or damage to the SIR coil will occur.
- Separate the intermediate shaft (2) from the steering gear (3).
- Loosen the transaxle mount through bolt.
- Disconnect the heated oxygen sensor (HO2S) electrical connector.
- Disconnect the HO2S sensor harness from the transmission mount bracket.
- Remove the 3 transaxle mount to transaxle bolts.
- Remove the 3 transaxle bracket to frame nuts.
- Position the transaxle bracket and rear mount aside.
- Remove the bolt (1) and disconnect the power steering gear inlet (2) and outlet (4) pipe/hoses from the power
steering gear (3). Cap off the pipe/hoses and position aside.
- Remove the power steering gear outlet pipe routing pin-style retainer from the right rear side of the frame.
Important: Convertible vehicles utilize a cross brace that is installed by sharing the frame mounting bolts. With the rear frame bolts removed, it allows the cross brace to have movement to gain access to the power steering gear
mounting bolts.
- Convertible vehicles, support the rear of the frame with a suitable jack stand.
- Convertible vehicles, remove the rear frame mount bolts.
- Remove the power steering gear mounting bolts, nuts, and washers from the gear.
Important: The power steering gear will need to be rotated while it is removed through the left wheel opening.
- Remove the power steering gear through the left wheel opening.
- If the power steering gear is to be replaced, transfer the outer tie rod ends to the new steering gear.
Installation Procedure
Important: The power steering gear will need to be rotated while it is installed through the left wheel opening.
- Position the power steering gear into the vehicle.
- Connect the intermediate steering shaft to the steering gear.
Notice: Refer to Fastener Notice in the Preface section.
- Install the power steering gear mounting bolts, nuts and washers to the power steering gear.
Tighten
Tighten the mounting bolts/nuts to 110 N·m (81 lb ft).
- Convertible vehicles, install the rear frame mounting bolts.
Tighten
Tighten the rear frame mounting bolts to 100 N·m (73 lb ft) plus an additional 180 degree rotation.
- Convertible vehicles, remove the jack stand.
- Install the power steering gear outlet pipe routing pin-style retainer to the right rear side of the frame.
- Connect the power steering gear inlet (2) and outlet (4) pipe/hoses to the power steering gear (3) and install
the bolt (1). Prior to tightening the retaining bolt (1), rotate the outlet pipe (4) clockwise/down so it touches the inlet pipe (2). Verify the hoses are still touching after the retaining bolt is tight.
Tighten
Tighten the pipe/hose to power steering gear bolt to 27 N·m (20 lb ft).
- Install the new intermediate steering shaft to steering gear pinch bolt (1).
Tighten
Tighten the pinch bolt to 49 N·m (36 lb ft).
- Position the transaxle bracket and rear mount back to their original position.
- Install the 3 transaxle bracket to frame nuts.
Tighten
Tighten the transaxle bracket to frame nuts to 50 N·m (37 lb ft).
- Install the 3 transaxle mount to transaxle bolts.
Tighten
• | LZ4 Engines: Tighten the transaxle mount bolts to 90 N·m (66 lb ft). |
• | LZ9 Engines: Tighten the transaxle mount bolts to 50 N·m (37 lb ft). |
- Connect the HO2S sensor harness to the transmission mount bracket.
- Connect the HO2S electrical connector.
- Tighten the transaxle mount through bolt.
Tighten
• | LZ4 Engines: Tighten the transaxle mount bolts to 90 N·m (66 lb ft). |
• | LZ9 Engines: Tighten the transaxle mount bolts to 50 N·m (37 lb ft). |
- Position the outer tie rod ends into the steering knuckles.
Important: Hold the ball stud from turning during installation of the castle nut.
- Install new torque castle nuts to the tie rod end ball studs.
Tighten
Tighten the castle nuts to 25 N·m (18 lb ft) plus an additional 90 degree rotation.
- Install the front tires and wheels. Refer to
Tire and Wheel Removal and Installation.
- Lower the vehicle.
- Fill and bleed the power steering system. Refer to
Power Steering System Bleeding.
- Measure the wheel alignment and adjust as necessary. Refer to
Wheel Alignment Measurement.