Canada - Cooling System - Engine Cooling Fan Motor Inoperative

Bulletin
L-TCI-3061

Issue Date
January 4, 2012

Title:
ENGINE COOLING FAN MOTOR INOPERATIVE

Service Category
Engine/Hybrid System

Section
Cooling

Market
Canada






APPLICABILITY:

INTRODUCTION:
Some 2007 - 2011 model year LS460 (2WD) vehicles may exhibit an inoperative engine cooling fan motor. This may lead to an increase of the engine coolant temperature, visible on the instrument panel gauge, or reduced A/C performance while the vehicle is stopped. Use the following repair procedure to address this condition.






WARRANTY INFORMATION:






REQUIRED TOOLS & EQUIPMENT:






PARTS INFORMATION

REPAIR PROCEDURE:
1. Confirm the vehicle exhibits the condition in the Introduction.
2. Verify if both cooling fan motors operate properly.

Refer to the E-TAS / TIS library, applicable model year Repair Manual:
2007 / 2008 / 2009 / 2010 / 2011 LS460: Engine/Hybrid System - Cooling - "1UR-FSE Cooling: Cooling Fan Motor (for 2WD): On-Vehicle Inspection"
- If both cooling fan motors operate properly, this TSB does NOT apply. Diagnose following the applicable Repair Manual for the vehicle's symptom.
- If either one of the cooling fan motors are found to be inoperative, go to step 3.






3. Confirm the condition under which the vehicle is operated as indicated.
4. For vehicles that are operated under "Normal" conditions:
This TSB does NOT apply. Diagnose and repair following the applicable Repair Manual.
5. For vehicles that are operated under "Long Idle / Slow Speeds" conditions:
Replace the cooling fan assembly parts with the new parts listed in the Parts Information table.

Refer to the E-TAS / TIS library, applicable model year Repair Manual:
- 2007 LS460:
Engine/Hybrid System - Cooling - "1UR-FSE Cooling: Cooling Fan Motor: Removal / Installation"

- 2008 LS460:
Engine/Hybrid System - Cooling - "1UR-FSE Cooling: Cooling Fan Motor: Removal / Installation"

- 2009 / 2010 / 2011 LS460:
Engine/Hybrid System - Cooling - "1UR-FSE Cooling: Cooling Fan Motor (for 2WD): Removal / Installation"

6. Confirm proper vehicle operation.

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.