Wednesday, February 8, 2012

How to replace Power steering rack and pinion gear on Chevy Silverado 2500 HD?

The procedure to perform this task is as follows :----


2005-06 & 2007 Classic Models



  1. Remove or disconnect the following: 

    Wheel assemblies
    Engine shield, if equipped
    Stabilizer shaft
    Power steering high and low pressure lines
    Coupler clamp bolt from the intermediate shaft
    Outer tie rod ends from steering knuckle
    Intermediate shaft from the rack and pinion assembly
    Rack and pinion assembly mounting nuts, washers and bolts
    Rack and pinion assembly from the vehicle 

    Click image to see an enlarged view
    Fig. Rack and pinion steering gear
To install:
  1. Install or connect the following:

    Rack and pinion assembly into the vehicle
    Rack and pinion assembly mounting bolts, washers and nuts. Tighten the nuts to 136 ft. lbs. (185 Nm).
    Intermediate shaft to the rack and pinion assembly
    Coupler clamp bolt to the intermediate shaft. Tighten the bolt to 33 ft. lbs. (45 Nm).
    Low pressure hose
    High pressure hose. Tighten the hoses to 20 ft. lbs. (27 Nm).
    Outer tie rod ends
    Engine protection shield, if equipped
    Stabilizer shaft
    Wheels
  2. Lower the vehicle.
  3. Fill and bleed the power steering system.

Except Classic



  1. Remove as much power steering fluid from the reservoir as possible.
  2. Remove or disconnect the following:

    Wheel assemblies
    Engine shield, if equipped
    Coupler clamp bolt from the intermediate shaft
    Outer tie rod ends from steering knuckle
    Power steering high and low pressure line retaining plate
    Power steering high and low pressure lines, then plug them to prevent leakage and contamination
    Rack and pinion assembly mounting nuts, washers and bolts
    Rack and pinion assembly from the vehicle
To install:
Click image to see an enlarged view
Fig. Exploded view of the rack and pinion steering gear assembly-2007 models, except Classic
  1. Install or connect the following:

    Rack and pinion assembly into the vehicle
    Rack and pinion assembly mounting bolts, washers and nuts. Tighten the left side bolts to 148 ft. lbs. (200 Nm) and the right side bolts to 74 ft. lbs. (100 Nm).
    Intermediate shaft to the rack and pinion assembly
    Coupler clamp bolt to the intermediate shaft. Tighten the bolt to 33 ft. lbs. (45 Nm).
    Low pressure line and high pressure line. Tighten the retaining plate to 106 inch lbs. (12 Nm)
    Outer tie rod ends
    Engine protection shield, if equipped
    Wheels
  2. Lower the vehicle.
  3. Fill and bleed the power steering system.

This will help.
Thanks.

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