BUZZ NOISE AT REAR OF VEHICLE (INSTALL INSULATION PACKAGE). Saturn Saturn 1991

For 1990-2009 cars

# BUZZ NOISE AT REAR OF VEHICLE (INSTALL INSULATION PACKAGE)

#### SUBJECT: Buzzing Noise at Rear of Vehicle (Install Rear Compartment Insulation Package)

#### MODELS AFFECTED: All 1991 and 1992 SL and SL1 Sedans

CONDITION: Some customers may comment about a buzzing noise from the rear of the vehicle.

CAUSE: Fuel pump noise transmitted into passenger compartment.

CORRECTIVE ACTION: Install insulation package using the procedures in this bulletin.

#### NOTE: SL2 Sedans and SC Coupes already have insulation package installed.

#### PROCEDURES:

---------- Right and Left Bolster Removal ------------------------------ 1. Pull on top of bolsters to disengage upper fastener.

2. Lift bolsters from lower guide pin and remove.

#### Right and Left Rear Seat Back Removal

1. Release seat back latches and tilt seat backs forward.

2. Disengage cargo floor carpet from seat backs.

3. Remove plastic clip from outboard pivot pins.

4. Slide seat backs toward outside of vehicle to position pivot pin release slots at floor brackets and lift pivot pins out of floor brackets.

5. Slide seat backs from inboard pivot pins and remove.

#### Rear Seat Cushion Removal

1. Push on retainer tabs located at bottom of seat cushion assembly to release tabs, and lift front of seat cushion assembly.

2. Slide seat cushion from under seat backs, guide seat belt buckles through seat cushion and remove seat cushion assembly.

#### Right and Left Lower Pillar Trim Removal

1. Remove screws attaching body lower pillar trim finish molding assemblies.

2. To remove, start at the front of the moldings and pull firmly on the molding at the clip locations.

#### Insulation Package Installation

1. Pull rear floor pan carpeting forward to expose the floor pan.

2. Install the left and right side insulation mats on the rear seat portion of the floor pan (refer to Figure).

3. Pull back on the carpeting and insulation behind the rear seat to expose the cargo floor.

4. Install the left and right side insulation pads on the floor pan behind the rear seat.

#### Right and Left Rear Seat Back and Bolster Installation

1. Position seat back assemblies onto center pivot pins

2. Align relief slot in outboard pivot pin with pivot pin bracket. Push pivot pin into bracket and slide seat back inboard.

3. Install outboard pivot pin clip.

4. Engage cargo floor carpet with seat backs.

5. Install rear seat side bolsters.

#### Rear Seat Cushion and Pillar Trim Installation

1. Install body lower pillar trim finish panel assemblies by snapping into place at the clip locations and installing screws.

2. Install seat cushion rear edge first, securing wire frame correctly at center buckle and pulling center lap belt through seat cushion.

3. Guide seat cushion front floor clips into their holes in floor pan and push firmly on front of seat cushion to engage clips.

PARTS REQUIREMENTS: 21039368 Damper - FLR RR (Right & Left) (Qty-2) 21035157 Damper - FLR R/Seat (Left) 21035156 Damper - FLR R/Seat (Right)

CLAIM INFORMATION: To receive credit for this repair, submit a claim through the Saturn Dealer System as follows:

Case Type Description Labor Operation Code Time --------- ------------ --------------------- ---- VW Install Insulation Package T9576 0.7 hrs

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.