Diesel Data: Automotive Repair

Canada - Body - Creak Noise, Rear Seat/Trunk






Bulletin
0463

Issue Date
2001-07-31

Market
Canada

Reference
BO-01-002

Model
LS430

Year Range
2001

Component
BO

Subject:
REAR SEAT AND LUGGAGE COMPARTMENT CREAK NOISE REDUCTION


The following repair procedure has been developed to reduce a potential creak noise emanating from the rear floor side member. This noise may occur during movement of the vehicle from a stationary position, braking when vehicle speed is less than 30 km/h, or driving over bumps at speeds of 20 km/h or less.

APPLICABLE VEHICLES: 2001 model year LS430 vehicles.







PRODUCTION CHANGE INFORMATION:

REPAIR PROCEDURE:
Refer to the 2001 MY LS430 Body Collision Damage Repair Manual (Pub. No. BRM099E) for additional information on re-applying undercoat.







NOTE: The Work Procedure Flow Chart will assist the technician in determining which repair procedure is required to be performed.

Work Procedure #1 - CREAK NOISE FROM LUGGAGE COMPARTMENT
1. Raise the vehicle on a lift so that it is at an appropriate level for the technician.
2. Remove the rear wheel.
3. Scrape the undercoat of the wheel house from the area surrounding the service hole cover (approximately diameter). Remove the service hole cover.
4. Using a punch through the service hole, dent the wheel house gusset along with the front part of the service hole as shown in the illustration. The service hole should be punched hard enough so that it strongly contacts the bulkhead.
5. Install the service hole cover to the service hole.
6. Coat the affected area with sealant.







7. Re-install the rear wheel.
Torque: 103 N-m (1,050 kgf-cm; 76 ft-lbf)

Work Procedure #2 - CREAK NOISE FROM BELOW REAR SEAT
1. Remove the Rear Seat Cushion Assembly. Refer to the 2001 MY LS430 Repair Manual Volume 2, for additional information.
2. Using a scraper, scrape the sealer at the area indicated by the diagonal lines in the following illustration.
3. Dent the area from 5.0 mm (0.196 in.) to 25 mm (0.984 in.) to the front of the center floor press line using a ball-peen hammer.







4. Reapply sealer to the affected area.







REPAIR TIME:

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.