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 MANUALSCHEVROLET1990LUMINA APV V6-191 3.1LREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSLABOR/PARTS UPDATESFRONT WINDOW INOPERATIVE OR JUMPS WHEN ROLLED UP/DOWN
1990 Chevrolet Lumina APV V6-191 3.1L
Front Window Inoperative or Jumps When Rolled Up/Down
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Front Window Inoperative or Jumps When Rolled Up/Down
File In Section: 10 - Body
Bulletin No.: 63-10-24
Date: April, 1996
Subject:
Front Window is Inoperative or Jumps when Being Rolled Up or Down (Install New Regulator/Motor Kit)
Models:
1990-95 Chevrolet Lumina APV
1990-95 Oldsmobile Silhouette
1990-95 Pontiac Trans Sport
This bulletin cancels and supersedes Corporate Bulletin Number 431042. Please discard Corporate Bulletin Number 431042 (Group Reference 10 - Body).
Condition
Some owners may comment that the front window is inoperative or the window jumps when rolling up or down.
Cause
Internal motor deterioration or broken gear teeth on the motor.
Correction
Install kit listed below which contains a new regulator and motor, instruction sheet, guide and rivets for attachment.
Procedure
After removal of the trim panel, water deflector and window regulator, and the window regulator has been replaced, proceed as follows:
1. Cut template from page 2 of the kit and locate to the top edge of door inner panel. (See Figure 1, Item 1 - right hand door shown).
2. Make sure the template conforms to the door surface (see Figure 1, Item 2).
3. Align the rear edge of the template as shown in Figure 1, Item 3.
4. Drill 4.5 mm (3/16 in.) holes as shown on the template (see Figure 1, Item 4).
5. If up-stop is present, drill out both retaining rivets and discard UP STOP (see Figure 1, Item 5).
6. Install guide assembly using rivets supplied in kit.
7. Run the window up while watching the regulator arm meet the guide for correct contact. If necessary, bend bracket inboard for contact.
8. Reinstall water deflector and door trim.
Parts Information
Description Part Number
Kit (Right Hand) 10290932
Kit (Left Hand) 10290933
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Description Labor Time
C0182 Right Hand 0.9 hr
C0183 Left Hand 0.9 hr
Bulletin No.: 63-10-24
Date: April, 1996
Subject:
Front Window is Inoperative or Jumps when Being Rolled Up or Down (Install New Regulator/Motor Kit)
Models:
1990-95 Chevrolet Lumina APV
1990-95 Oldsmobile Silhouette
1990-95 Pontiac Trans Sport
This bulletin cancels and supersedes Corporate Bulletin Number 431042. Please discard Corporate Bulletin Number 431042 (Group Reference 10 - Body).
Condition
Some owners may comment that the front window is inoperative or the window jumps when rolling up or down.
Cause
Internal motor deterioration or broken gear teeth on the motor.
Correction
Install kit listed below which contains a new regulator and motor, instruction sheet, guide and rivets for attachment.
Procedure
After removal of the trim panel, water deflector and window regulator, and the window regulator has been replaced, proceed as follows:
1. Cut template from page 2 of the kit and locate to the top edge of door inner panel. (See Figure 1, Item 1 - right hand door shown).
2. Make sure the template conforms to the door surface (see Figure 1, Item 2).
3. Align the rear edge of the template as shown in Figure 1, Item 3.
4. Drill 4.5 mm (3/16 in.) holes as shown on the template (see Figure 1, Item 4).
5. If up-stop is present, drill out both retaining rivets and discard UP STOP (see Figure 1, Item 5).
6. Install guide assembly using rivets supplied in kit.
7. Run the window up while watching the regulator arm meet the guide for correct contact. If necessary, bend bracket inboard for contact.
8. Reinstall water deflector and door trim.
Parts Information
Description Part Number
Kit (Right Hand) 10290932
Kit (Left Hand) 10290933
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Description Labor Time
C0182 Right Hand 0.9 hr
C0183 Left Hand 0.9 hr
RENDER: 1.0x
NO RELATED
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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.