Canada - Engine Control - Engine Ticking Noise/MIL ON/DTC's
BulletinTSB2622R
Issue Date
March 26, 2009
Title
ENGINE TICKING NOISE AND / OR MIL ON P0114, P0015, P0024, P0025, P0017, OR P0018
Component
ENGINE MECHANICAL
Models
'07- '09 ES350, '07- '10 RX350
TSB REVISION NOTICE
- April 5, 2010: An important statement has been added to the Introduction - PLEASE READ.
- Applicability, Warranty Information, and Repair Procedure sections have been updated to include 2010 model year RX350.
- Production Change Information with VIN breaks has been added.
- Parts Information has been updated.
Any previous printed versions of this service bulletin should be discarded.
INTRODUCTION:
IMPORTANT
It is mandatory that the VVT-i gear actuator bolts, actuator center section alignment, and actuator body be inspected BEFORE performing this TSB. If no concerns are noted with these parts, this TSB does NOT apply.
Some 2007 - 2009 model year ES350 and 2007 - 2010 RX350 vehicles may exhibit a ticking/clicking type noise from the cylinder head cover area that may be accompanied by a M.I.L. "ON" and one or more VVT-I related Diagnostic Trouble Codes (DTCs). Please use the following repair procedure to address customer concerns.
APPLICABILITY:
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
WARRANTY INFORMATION:
PARTS INFORMATION:
REQUIRED TOOLS & EQUIPMENT:
REQUIRED SSTs:
INSPECTION PROCEDURE:
1. Start the engine and listen for any ticking/clicking type noises coming from the VVT-i gear area of the engine.
NOTE
This condition may or may not be accompanied by one or more of the following DTCs stored in the Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM).
- P0014: Camshaft Position "B" - Timing Advanced or System Performance (Bank 1)
- P0015: Camshaft Position "B" Timing Over Retarded (Bank 1)
- P0017: Crankshaft Position Camshaft Position Correlation (Bank 1 Sensor B)
- P0018: Crankshaft Position Camshaft Position Correlation (Bank 2 Sensor A)
- P0024: Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 2)
- P0025: Camshaft Position "B" - Timing Over-Retarded (Bank 2)
2. Remove the cylinder head cover and inspect the Exhaust VVT-i Gear Assembly on the affected cylinder bank.
NOTE
If no concerns are found with the VVT-i gear actuator bolts, the actuator center section alignment or actuator body this TSB does NOT apply. Refer to Repair Manual procedures for further diagnosis.
REPAIR PROCEDURE:
1. If any concerns are noted with the exhaust VVT-i gear bolts or actuator follow the four steps below:
A. Replace the camshaft housing sub-assembly, exhaust camshaft, and exhaust VVT-i gear assembly on the affected bank.
B. Inspect the intake VVT-i gear assembly and bolts on the affected bank. Replace the intake VVT- gear assembly if necessary.
C. Inspect the opposite bank exhaust VVT-i gear actuator and bolts. If any concerns are noted replace the opposite bank camshaft housing sub-assembly, exhaust camshaft, and exhaust VVT-i gear assembly.
D. Inspect the opposite bank intake gear actuator assembly and bolts. Replace the intake VVT-i gear assembly if necessary.
For complete disassembly procedures refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: ES350/ RX350
- Year: Applicable year
- Service Category: Engine/Hybrid System
- Section: Engine Mechanical
- Keyword: 2GR-FE Engine Mechanical: Engine Unit: Disassembly
For complete reassembly procedures refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: ES350/ RX350
- Year: Applicable year
- Service Category: Engine/Hybrid System
- Section: Engine Mechanical
- Keyword: 2GR-FE Engine Mechanical: Engine Unit: Reassembly
2. Start engine and test drive to verify the repair.
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.