Power Steering Cooler Pipe/Hose Replacement (LS4)

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Power Steering Cooler Pipe/Hose

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Remove the front tire/wheel assemblies. Refer to Tire and Wheel Removal and Installation . Remove the right fender liner. Refer to Front Fender Liner Replacement . Lower the rear of the frame approximately 51 mm (2 in). Refer to Frame Replacement . Loosen the power steering gear bolts. Refer to Steering Gear Replacement . Fill and bleed the power steering system after the repair has been completed. Refer to Power Steering System Bleeding .
1	Power Steering Cooler Pipe NOTE: Refer to Fastener Notice . Procedure Remove as much power steering fluid from the power steering fluid reservoir as possible. Place drain pans under the vehicle as needed. Disconnect the power steering cooler pipe from the power steering fluid reservoir. Disconnect all power steering cooler pipe retaining clips as needed with an appropriate tool. Replace any as needed. Disconnect the power steering cooler pipe fitting. After repairs, fill and bleed the power steering system. Refer to Power Steering System Bleeding . Tighten: 27 N.m (20 lb ft)

Callout

Component Name

Preliminary Procedure

Remove the front tire/wheel assemblies. Refer to Tire and Wheel Removal and Installation .
Remove the right fender liner. Refer to Front Fender Liner Replacement .
Lower the rear of the frame approximately 51 mm (2 in). Refer to Frame Replacement .
Loosen the power steering gear bolts. Refer to Steering Gear Replacement .
Fill and bleed the power steering system after the repair has been completed. Refer to Power Steering System Bleeding .

Power Steering Cooler Pipe

NOTE: Refer to Fastener Notice .

Procedure

Remove as much power steering fluid from the power steering fluid reservoir as possible.
Place drain pans under the vehicle as needed.
Disconnect the power steering cooler pipe from the power steering fluid reservoir.
Disconnect all power steering cooler pipe retaining clips as needed with an appropriate tool. Replace any as needed.
Disconnect the power steering cooler pipe fitting.
After repairs, fill and bleed the power steering system. Refer to Power Steering System Bleeding .

Tighten: 27 N.m (20 lb ft)