Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 525 (BODY REAR END)REPAIR INSTRUCTIONSWINDOW REPLACEMENT - END GATEREMOVAL PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic
Removal Procedure
1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the high mount stoplamp (endgate window-mounted only). Refer to HIGH MOUNTED STOP LAMP REPLACEMENT (UTILITY - ENDGATE WINDOW) or HIGH MOUNTED STOP LAMP REPLACEMENT (UTILITY - ROOF MOUNTED) or HIGH MOUNTED STOP LAMP REPLACEMENT (PICKUP) in Lighting Systems.
- Open the endgate window.
- Mark the location of the endgate window hinges on the body for proper alignment at installation.
- Disconnect the rear window defogger connectors, if equipped.
- Remove the endgate window struts. Refer to STRUT REPLACEMENT - END GATE .
- Remove the bolts that retain the endgate window hinges to the vehicle.
- With an assistant, remove the endgate window from the vehicle.
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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.