Canada - Interior - Front Seat Track Loose/Rattles
Bulletin
TSB2953
Issue Date
April 30, 2011
Title:
FRONT SEAT TRACK ABNORMAL OPERATION AND/OR RATTLE
Component
BODY COMPONENTS
Models:
'10 RX350
INTRODUCTION:
Some 2010 model year North American Produced (NAP) RX350 vehicles may exhibit a condition where the front seat track(s):
- Feel loose when entering and/or exiting the vehicle.
- Rattle when the seat is unoccupied.
An inspection and adjustment procedure has been developed to address this condition.
APPLICABILITY:
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 52
WARRANTY INFORMATION:
PARTS INFORMATION:
REQUIRED TOOLS & EQUIPMENT:
REPAIR PROCEDURE:
1. While sitting in the seat, confirm the condition by leaning against the seat back. If the seat feels slightly loose, this TSB may apply. If not, follow
the Repair Manual for additional diagnostics.
2. Remove the front and rear seat track covers.
3. Follow Repair Manual instructions to remove the affected seat assembly from the vehicle. Refer to the Repair Manual within E-TAS / TIS
library:
2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 53
- Division: Lexus
- Model: RX350
- Year: 2010
- Service Category: Vehicle Interior
- Section: Seat
- Keyword: Front Seat Assembly: Removal
4. Locate the two 12 mm front rail end cap nuts.
5. Using a 0.15 mm (0.006 in.) feeler gauge, measure the gap between the end cap nut and helical gear.
- If there is a gap of 0.15 mm (0.006 in.) or greater, proceed to step 6.
- If the gap is less than 0.15 mm (0.006 in.), refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: RX350
- Year: 2010
- Service Category: Vehicle Interior
- Section: Seat
- Keyword: Front Seat Assembly: Inspection
6. Install the seat assembly into the vehicle leaving the seat mounting bolts finger tight.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: RX350
- Year: 2010
- Service Category: Vehicle Interior
- Section: Seat
- Keyword: Front Seat Assembly: Installation
7. Using the fore and aft adjuster, slide the seat to the foremost position.
2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 54
NOTICE
If the nuts are loosened in any position other than foremost, the drive screw can be rotated with the nut and misalignment between the
outer/inner tracks may occur.
8. With a 12 mm socket on a 6 inch extension, loosen the two end cap nuts. Do NOT remove the end cap nuts at this step.
9. Using the fore and aft adjuster, slide the seat to the rearmost position, and remove the two end cap nuts.
10. With a wire brush clean the stud threads.
11. Install the NEW end cap nuts (P/N 41315-48010) and torque the end cap nut. There should be 0 mm gap between the end cap nut and the top of
the helical gear.
Torque: 3.0 N-m (30.6 kgf-cm, 27 in-lbf)
NOTICE
- Do NOT over-tighten the end cap nut as it may damage the helical gear.
- If the seat track position is NOT set at the rearmost position when the nuts are installed, the drive screw can rotate.
12. Torque the seat bolts and install the bolt covers following the Repair Manual. Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: RX350
- Year: 2010
- Service Category: Vehicle Interior
- Section: Seat
- Keyword: Front Seat Assembly: Installation
13. Confirm the repair using the procedure in step 1. If excessive movement is present, follow the Repair Manual for additional diagnostics.
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,
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