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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 252 (FIXED AND MOVEABLE WINDOWS)REPAIR INSTRUCTIONSMIDGATE WINDOW REPLACEMENTREMOVAL PROCEDURE
2008 Pontiac Grand Prix Base

Removal Procedure

2008 Pontiac Grand Prix BaseSECTION Removal Procedure
WARNING: This page is about a different car, the 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lower the window into the midgate.
    2. Fig 1: Separating Inner Midgate
    GM1412513Courtesy of GENERAL MOTORS CORP.
  2. Remove the midgate inner panel. Refer to Midgate Inner Panel Replacement .
  3. Remove the midgate hinge finish covers. Refer to Midgate Hinge Finish Cover Replacement (SUT) .
    4. Fig 2: Supporting Midgate
    GM1236621Courtesy of GENERAL MOTORS CORP.
  4. Release the midgate latches, opening the midgate until the holes in the hinge assembly are aligned.
  5. Install 5 mm (0.196 in) pins (2) or an allen wrench through the holes in each hinge (1) to support the midgate.
    6. Fig 3: Midgate Window Sealing Strip
    GM1412506Courtesy of GENERAL MOTORS CORP.
  6. Remove the midgate window outer sealing strip. Refer to Midgate Window Outer Sealing Strip Replacement .
    7. Fig 4: Identifying Midgate Components
    GM1427954Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the electrical connector (3) to the defroster grid contact terminal.
  8. Loosen the bolts (1) retaining the window to the midgate window clamp.
    9. Fig 5: Midgate Window
    GM1412518Courtesy of GENERAL MOTORS CORP.
  9. Remove the midgate window out through the top of the midgate assembly.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.