Front Doors/Window - Noise and Chipped Glass
90chevy29Number: 90-310-10
Section: 10
Date: August 1990
Corp. Bulletin No.: 031035R
Subject: ROAD NOISE/WINDNOISE, FRONT DOOR, GLASS CHIPPED ON TOP EDGE
Model and Year: 1990 U-VAN (APV)
TO: ALL CHEVROLET DEALERS
CONDITIONS: 1. Road Noise At Base Of Front Doors And Sliding Side Door
2. Road Noise At Front Door Inner Belt Sealing Strip
3. Windnoise At The Top Of The Front Doors
4. Front Door Glass Chipped On The Top Edge
Figure 1:
CORRECTION: FOR CONDITION NUMBER 1 (RH, LH + SLIDING SIDE DOOR) sealing strips should be installed on sliding and front doors at time of repair.
1. Open the door and clean the inboard lower edge of the door frame (hem flange) with oil free naphtha or alcohol.
2A. If body is significantly below 70 degrees F (20 C) due to shop temperature or prior
environmental temperature, warm body panel with heat lamp or heat gun.
B. Remove the protective covering from the sealing strip.
C. Install the new molding strip, for front door installation start 1/2 inch rearward of the forward edge of the door.
3. For sliding door installation, apply sealing strip starting 1/2 inch rearward of the front edge of the door.
IMPORTANT: It may be necessary to trim the rear edge of the sealing strip for proper fit.
RH Front Door Sealing Strip, P/N 10174714
LH Front Door Sealing Strip, P/N 10174714
Sealing Strip Sliding Side Door, P/N 10174713
Parts are currently available from GMSPO.
Labor Operation Number: T1645
Labor Time: .3 Hour (FOR ALL THREE DOORS)
FAILURE CODE: 92
FOR CONDITION NUMBER 2, 3, 4 (FOR POWER WINDOWS ONLY)
1. Lower Window To Full Down Position
2. Remove Lower Trim Panel and Water Deflector
3. Remove Wire Harness Retainer From Inner Panel To Gain Access For Drilling Hole.
IMPORTANT: For Steps Number 4 and 5, Use drill stop on drill to stop the drill from coming in contact with the glass.
4. Using a 1.0" hole saw drill a hole in the inner panel straight down from the forward edge of the molded pocket in the inner panel at the center of the feature line. See Figure 2
5. Reaching through the large access hole, position up-stop tab on end of regulator arm (See Figure 2 View A) and hold in place with vice grips (5" needle type). Drill 1 hole (9/64" diameter) hole in the sector arm to match hole in tab. Pop rivet into place, remove vice grips.
6. Drill another 9/64" diameter hole in the sector arm to match the hole in the tab, pop rivet into place.
7. Lightly file back side of rivet to prevent contact with regulator body.
8. Reinstall water deflector and trim panel.
9. Repeat operation for RH side.
RH Front Door regulator up-stop tab, P/N 10186096 *
LH Front Door Regulator up-stop tab, P/N 10186097 *
Pop Rivet two required for each up-stop, P/N 9437144 *
* Parts are currently available from GMSPO.
Labor Operation Number: T1644
Labor Time: 1.0 Hour (FOR BOTH FRONT DOORS)
FAILURE CODE: 92