LS 460 AWD V8-4.6L (1UR-FSE) (2009)
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Timing Chain: Service and Repair
Installation
1UR-FSE ENGINE MECHANICAL: TIMING CHAIN: INSTALLATION
INSTALLATION
1. SET NO. 1 CYLINDER TO TDC / COMPRESSION
(a) Temporarily install the crankshaft pulley bolt.
(b) Rotate the crankshaft so that the timing gear key is as shown in the illustration. Then using a wrench, rotate each camshaft so that the timing
marks are as shown in the illustration.
NOTE:
When the crankshaft or a camshaft is rotated excessively, the valves and pistons may interfere with each other.
(c) Remove the crankshaft pulley bolt.
2. INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY
