Removal And Installation: Camshafts: Removal
WARNING: This page is about a different variant/trim than selected.
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 can cause engine failure.
NOTE:
Do not rotate the camshafts unless instructed to in this procedure. Rotating the camshafts or crankshaft with timing components loosened or removed can cause serious damage to the valves and pistons.
- With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
- Release the fuel system pressure. Refer to: Fuel System Pressure Release .
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- If the camshafts are being removed for servicing other components, remove the timing chain. Refer to: Timing Chain .
- If the camshafts are being replaced, remove the VCT units. Refer to: Variable Camshaft Timing (VCT) Unit .
- Remove Special Service Tool: 303-1565 Alignment Tool, Camshaft.
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NOTE: Note the position of the components before removal.
Remove the bolts and the VCT oil control solenoids.
- Remove the bolts and the front camshaft cap.
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NOTE: Failure to follow the camshaft loosening procedure can result in damage to the camshafts.NOTE: Note the location and orientation of each camshaft bearing cap and the position of the camshaft lobes on the No. 1 cylinder for installation reference.NOTE: Inspect the camshaft bores for any scratches that can be felt by hand.
Loosen the camshaft bearing caps in sequence 2 turns at a time until all tension is released from the camshaft bearing caps and remove the bolts, caps and camshafts.
- Clean the exhaust rear camshaft cap.