LR3/Disco 3
Camshaft Bearing Journal Clearance
1 . NOTE :
NOTE :
NOTE :
Position on a length of plastigage on the bearing cap.
2 . Install the camshaft bearing caps.
3 . NOTE :
Remove the camshaft bearing caps.
4 . Using the special tool, read off the measurement.
Published : Dec 20, 2001
Make sure that the following stages are followed exactly. The tappets or followers must be removed to carry out
this measurement.
Make sure that the camshaft is to specification.
The bearing caps and journals should be free from engine oil and dirt.
Insert the camshaft, without lubrication, into the cylinder head.
Position a plastigage strip, which should be equal to the width of the bearing cap, on the bearing journal.
Follow the relevant tightening sequence.
Do not strike the bearing caps.
Follow the relevant loosening sequence.
Compare the width of plastigage with the plastigage scale.
The value that is read off is the bearing clearance.
If the values are not to specification install a new camshaft.
