Timing Chain: Removal
NOTE:
During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan may cause engine failure.
RH and LH timing chains
- Remove the engine front cover. Refer to: Engine Front Cover .
Refer to: Engine Front Cover .
RH timing chain
- Install the crankshaft pulley bolt.
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- Rotate the crankshaft clockwise.
- Position the crankshaft sprocket keyway at the 11 o'clock position.
- Verify the timing marks on the VCT units are at the positions shown below.
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NOTE: The Camshaft Holding Tool will hold the camshafts in the TDC position.
Install Special Service Tool: 303-1655 Tool, Camshaft Holding.
- Remove the bolts and the RH timing chain guide.
- Remove the bolts and the RH timing chain tensioner.
- Remove the RH timing chain tensioner arm.
- Remove the RH timing chain.
LH timing chain
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NOTE: The Camshaft Holding Tool will hold the camshafts in the TDC position.
Remove Special Service Tool: 303-1655 Tool, Camshaft Holding.
- Verify the timing marks on the VCT units are at the positions shown below.
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NOTE: The Camshaft Holding Tool will hold the camshafts in the TDC position.
Install Special Service Tool: 303-1655 Tool, Camshaft Holding.
- Remove the bolts and the LH timing chain guide.
- Remove the studbolt, bolt and the LH timing chain tensioner.
- Remove the LH timing chain tensioner arm.
- Remove the LH timing chain.
- Remove the crankshaft pulley bolt.
- Remove the timing chain sprocket.