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 MANUALSCHEVROLET1990R 20 P/U 2WD V8-379 6.2L DSLREPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSWINDOW REGULATORSERVICE AND REPAIRREMOVE AND INSTALL
1990 Chevrolet R 20 P/U 2WD V8-379 6.2L DSL
Remove and Install
1990 Chevrolet R 20 P/U 2WD V8-379 6.2L DSLSECTION Remove and Install
Front Window Regulator:
Note: The power window motor is not serviced. It is replaced as a unit with the regulator.
Remove or Disconnect
1. Negative battery cable (with power door components).
2. Door trim panel. Refer to Door Trim Panel. Doors
3. Water deflector.
4. Door lock linkage.
5. Door module and glass. Refer to Door Module.
6. Window.
^ Bend the tab down on the window run channel to slide the door glass from the regulator roller assembly.
7. Regulator assembly rivets.
8. Regulator and motor as a unit.
Install or Connect
1. Regulator and motor assembly to the module panel.
2. Window.
^ Bend the tab upward on the window run channel.
3. Window and module to the door.
4. Lock rods to the retainer clips.
5. Module panel screws, starling with the top front and top rear screws.
6. Door lock linkage.
7. New water deflectors. Refer to Door Inner Panel Water Deflector.
8. Door trim panel. Refer to Door Trim Panel.
9. Negative battery cable (power components only).
RENDER: 1.0x
NO RELATED
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.