POPPING NOISE IN REAR SPEAKERS SERVICE PROC. FOR ADJUSTMENT. Geo Storm 1991

For 1990-2009 cars

# POPPING NOISE IN REAR SPEAKERS SERVICE PROC. FOR ADJUSTMENT

#### Subject: POPPING NOISE IN REAR SPEAKERS

#### Model and Year: 1991 GEO STORM HATCHBACK

An interference condition in which the speaker terminal contacting the speaker bracket may cause a limited number of GEO Storm Hatchback models to exhibit a popping or thumping sound emanating from the rear speakers. In some cases no sound at all may result if the speakers have shorted out. To correct this condition perform the following:

#### Procedure:

------------- 1. Remove the rear speaker trim panel (See Figure 1).

#### Important: Illustrations show the right rear speaker only. Perform the same procedure on the left speaker also.

2. Remove all speaker mounting screws (Figure 2). 3. If right speaker, rotate speaker 1/4 turn counterclockwise (Figure 3). If left speaker, turn speaker 1/4 turn clockwise. 4. Install speaker screws with speaker in corrected position. (Figure 4). 5. Install and secure speaker grille to quarter trim panel.

Labor Operation Number: T 1735 Labor Time: 0.3 Hours Trouble Code: 92

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.