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HOMESERVICE MANUALSPONTIAC1988FIREBIRD BASE, 5.0 E, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEPOWER WINDOWS - SIDEREMOVAL & INSTALLATIONWINDOW MOTOR & REGULATOR (Y BODY)
1988 Pontiac Firebird Base, 5.0 E, Standard

Window Motor & Regulator (Y Body)

1988 Pontiac Firebird Base, 5.0 E, StandardSECTION Window Motor & Regulator (Y Body)
  1. Remove armrest, accessory trim plate and door trim panel. Remove inner panel liner. Disconnect following linkages from inner mounting plate.
    • Power door lock linkage (clip).
    • Latch handle linkage from guides on back of mounting plate and clip at latch handle.
    • Door lock rod from guide on back side of mounting plate and at pivot.
  2. Remove bolts holding inner mounting plate. Remove window guide. Lower inner mounting plate into door and remove by tilting mounting plate outward at top.
  3. Unclip wiring harness from inner mounting plate. Remove glass stop. Unbolt glass from regulator and remove. Remove 2 upper and 2 lower regulator mounting bolts.
  4. Disconnect power windows motor connector. Remove regulator from glass. To install, reverse removal procedure.
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.