LR3/Disco 3
Camshaft sprocket adjusting/locking tool
303-597-01
Camshaft timing chain tensioning tool
303-571
1 . Check the camshaft timing.
2 . Disconnect the battery ground cable.
Specifications
3 . Remove both valve covers.
4 . Rotate the crankshaft clockwise, until number one cylinder is on TDC. Check the camshaft lobes are on the back of
the cam.
5 . Lock the crankshaft.
6 . Install the special tool to the slot in the camshaft, the base of the special tool must remain in contact with the cylinder
head. If the special tool can be passed from one side of the cylinder head to the other without resistance then the
camshaft is correctly timed. Repeat the procedure on the other camshaft. If both camshafts are found to be correct, then
no further action is required.
Install the special tool.
Tighten the screw.