Tools Required
J 42846 
 Crankshaft
Protector Button
- Measure the camshaft timing
chain free play. If the chain can be moved back and forth in excess of 16 mm
(0.625 in), replace the chain and sprockets.
 
- Remove the camshaft sprocket bolts.
 
- Remove the camshaft sprocket and the timing chain.
 
- Install the 
J 42846 
 (1)
into the end of the crankshaft.
 
- Remove the crankshaft sprocket using a three jaw puller (2).