lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Engine Controls - Engine Knock at Idle|Page 3209 > < Engine Controls - Engine Knock at Idle|Page 3207
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1. Replace the No.3 timing chain tensioner and both No.1 cylinder intake valve lash adjusters.

Refer to TIS, 2007 model year LS 460 Repair Manual,

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Engine/Hybrid System - Engine Mechanical - "1UR-FSE Engine Mechanical: Camshaft (for Bank 1): Removal"

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Engine/Hybrid System - Engine Mechanical - "1UR-FSE Engine Mechanical: Camshaft (for Bank 1): Installation"

2.

Reconnect the negative (-) battery terminal.

3.

Re-initialize any affected power systems.

Refer to TSIB No. PD007-07, "Power System Initialization During PDS".

4.

Test drive the vehicle to confirm that the knocking noise is NO longer present.

Engine Controls - Engine Knock at Idle|Page 3209 > < Engine Controls - Engine Knock at Idle|Page 3207