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 MANUALSGMC1991JIMMY 5.7 K, AUTOMATIC, 4L60/MD8REPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEPOWER WINDOWS - R/V SERIES PICKUPSREMOVAL & INSTALLATIONDOOR WINDOWINSTALLATION

1991 GMC Jimmy 5.7 K, Automatic, 4L60/MD8

Door Window: Installation

1991 GMC Jimmy 5.7 K, Automatic, 4L60/MD8SECTION Installation

Lower the window into the door frame. Push the window forward, then tilt it up, and slide the rear roller into the sash channel (33). Slide the glass rearward until the front roller is in line with the notch (36) in the sash channel. Engage the roller to the sash channel. Slide the glass rearward into the glass run channel. Remove any masking or covering.
Install stationary glass/window run channel assembly. See STATIONARY GLASS/WINDOW RUN CHANNEL .
Install door trim panel. See DOOR TRIM .

Fig 1: Removing Front Door Window

Courtesy of GENERAL MOTORS CORP.

Lower the window into the door frame. Push the window rearward, then tilt it up, and slide the front roller into the sash channel (102). Slide the glass forward until the rear roller is in line with the notch (A) in the sash channel. Engage the roller to the sash channel. Slide the glass forward into the glass run channel. Remove any masking or covering.
Install stationary glass/window run channel assembly. See STATIONARY GLASS/WINDOW RUN CHANNEL .
Install door trim panel. See DOOR TRIM .

Fig 1: Removing Rear Door Window

Courtesy of GENERAL MOTORS CORP.

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.