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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Power Steering System) >> Repair Instructions >> Power Steering Pressure Pipe/Hose Replacement (3.6L (LY7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.6L.
  2. Remove the engine mount struts and brackets. Refer to Engine Mount Strut Replacement - Left or Engine Mount Strut Replacement - Right .
  3. One engine mount strut bolt and nut can be reinstalled to the engine mount strut bracket on the engine to be used as an attachment point for front engine attachment.
  4. Disconnect the electrical harness clip at the UHJB and the coolant housing.
  5. Disconnect the electrical connector at the engine control module (ECM).
  6. Remove the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.
  7. Remove the power steering reservoir and bracket
  8. Remove the attachment screw from the power steering pump reservoir to bracket.
    9. NOTE: Refer to Fastener Notice .
  9. Install the engine support fixture hook to power steering reservoir bracket and reinstall to cylinder head.

    Tighten the power steering reservoir bracket to tighten fittings to:

    Tighten: 

    • M6 bolt - 9 N.m (80 lb in).
    • M8 bolt - 25 N.m (18 lb ft).

  10. Install the engine support fixture. Refer to Engine Support Fixture in Engine Mechanical - 3.6L.
  11. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  12. Remove the RH tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  13. Remove the RH engine splash shield. Refer to Splash Shield Replacement - Engine in Body Front End.
  14. Remove the steering gear heat shield (snap type).
    15. Fig 1: Identifying Engine Mount Lower Nuts
    GM96002Courtesy of GENERAL MOTORS CORP.
  15. Remove the RH engine mount lower nuts.
  16. Remove the LH transmission mount lower nuts.
  17. Lower the vehicle enough to access the engine support fixture tool.
  18. Raise engine upward using the engine support fixture to allow RH engine mount studs to separate from cradle. This will allow the pressure hose to pass under the mount location during removal and installation.
    19. NOTE: Do NOT allow the wheel drive shaft constant velocity joint to contact the inner wheel structure. Use care when raising the engine in order to prevent wheel drive shaft constant velocity joint damage.
  19. Raise the vehicle.
  20. Remove the RH engine mount/bracket assembly.
  21. Place a drain pan under the vehicle near the power steering hose to gear attachment.
    22. Fig 2: View Of Power Steering Hoses - 3.8L
    GM294335Courtesy of GENERAL MOTORS CORP.
  22. Remove the power steering pressure hose from the power steering gear.

    The power steering pressure hose is the lower hose at the power steering gear.

  23. Remove the power steering pressure hose from the power steering pump.
  24. Disconnect the power steering pressure hose from clips at the rear RH side and off cradle.
  25. Disconnect the electrical harness clip to hose.
    26. Fig 3: Pressure Hose Along Front Of Cradle
    GM1581986Courtesy of GENERAL MOTORS CORP.
  26. Disconnect the pressure hose from clips along the front of cradle.
  27. Remove the power steering pressure hose from the vehicle.
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