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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Right Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

Refer to Exhaust Service Warning .

    Fig 1: Identifying Engine Harness Electrical Connectors
    GM1665457Courtesy of GENERAL MOTORS COMPANY
  1. Remove the connector position assurance (CPA) retainer (3).
  2. Disconnect the engine harness electrical connector (2) from the heated oxygen sensor (HO2S) .
  3. Remove the HO2S clip (5) from the secondary air injection (AIR) valve hose bracket.
  4. CAUTION:

    With wheels of the vehicle facing straight ahead, secure the steering wheel utilizing steering column anti-rotation pin, steering column lock, or 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:

    • The steering column
    • The intermediate shaft(s)
    • The steering gear

    After disconnecting these components, do not rotate the steering wheel or move the front tires and wheels. Failure to follow this procedure may cause the SIR coil assembly to become un-centered and cause possible damage to the SIR coil. If you think the SIR coil has became un-centered, refer to your specific SIR coil's centering procedure to re-center SIR Coil.

    Fig 2: Locking/Unlocking Steering Column
    GM333146Courtesy of GENERAL MOTORS COMPANY
  5. Lock the steering column by installing the J 42640 into the underside of the steering column.
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  7. Remove the rear exhaust manifold pipe. Refer to Exhaust Manifold Rear Pipe Replacement .
  8. Remove the AIR check valve. Refer to Secondary Air Injection Check Valve Replacement .
  9. Fig 3: Locating Engine Harness Electrical Connectors
    GM1663209Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect the engine harness clip (2) from the steering gear heat shield.
  11. Fig 4: Engine Harness Clip
    GM1665450Courtesy of GENERAL MOTORS COMPANY
  12. Disconnect the engine harness clip (3) from the steering gear heat shield.
  13. Fig 5: View Of Steering Gear Heat Shield & Bolts
    GM1670593Courtesy of GENERAL MOTORS COMPANY
  14. Remove the steering gear heat shield bolts.
  15. Remove the steering gear heat shield.
  16. Fig 6: View Of Ball Stud
    GM575135Courtesy of GENERAL MOTORS COMPANY
  17. Disconnect the electronic suspension position sensor link ball studs (1) from the lower control arms.
  18. Fig 7: Identifying Steering Gear & Related Attachments
    GM1665092Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Failure to disconnect the intermediate shaft from the rack and pinion steering gear stub shaft can result in damage to the steering gear or to the intermediate shaft. This damage may cause loss of steering control, which could result in an accident and possible personal injury.

  19. Unsnap and remove the intermediate shaft seal.
  20. Remove the intermediate shaft pinch bolt.
  21. Separate the intermediate shaft from the steering gear.
  22. Fig 8: Proper Support of Engine Frame
    GM694208Courtesy of GENERAL MOTORS COMPANY
  23. Support the rear of the frame with a tall screw type jack.
  24. Fig 9: Identifying Rearward Engine Frame-To-Body Bolts
    GM1665303Courtesy of GENERAL MOTORS COMPANY
  25. Remove the 4 rearward engine frame-to-body bolts (1).
  26. Lower the screw type jack approximately 4 cm (1.5 in) allowing the rear of the engine frame to lower.
  27. Fig 10: View Of HO2S
    GM1670529Courtesy of GENERAL MOTORS COMPANY
  28. Remove the HO2S.
  29. Fig 11: Exhaust Manifold Nuts & Gasket
    GM1670474Courtesy of GENERAL MOTORS COMPANY
  30. Remove the exhaust manifold nuts.
  31. Remove the exhaust manifold (2).
  32. Remove and discard the exhaust manifold gasket (1).