Rear Seat/Luggage Compartment - Creaking Noise

NVH
NV007-01

April 27, 2001

Title:
REAR SEAT AND LUGGAGE COMPARTMENT CREAK REDUCTION

Models:
'01 LS 430

Introduction
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 20 mph (30 km/h), or driving over bumps at speeds of 15 mph (20 km/h) or less.

Applicable Vehicles

^ 2001 model year LS 430 vehicles.





Production Change Information





Warranty Information

Applicable Warranty*:

This repair is covered under the Lexus Basic Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.

* Warranty application is limited to correction of a problem based upon a customer's specific complaint.

Repair Procedure

Refer to the 2001 MY LS 430 Body Collision Damage Repair Manual (Pub. No. BRM099E) page PC-7 for additional information on re-applying undercoat.





NOTE:
The following 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 3" 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. Reinstall the rear wheel.

Torque: 103 Nm (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 LS 430 Repair Manual Volume 2, pages BO-168 through BO-185, for additional information.





2. Using a scraper, scrape the sealer at the area indicated by the diagonal lines shown in the 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.