Removing Camshaft and Tappets - Engine Overhaul Manual v8 40 46
ENGINE
30
OVERHAUL
Camshaft and tappets - remove
1. Remove tappets and retain with their
respective pushrods.
CAUTION: Store tappets upright to
prevent oil loss.
2. When tappets prove difficult to remove due to
damaged camshaft contact area, proceed as
follows. Lift tappets in pairs to the point where
damaged face is about to enter tappet bore
and fit rubber bands to retain tappets. Repeat
until all tappets are retained clear of camshaft
lobes. The tappets can then be withdrawn out
the bottom of their bores when the sump and
camshaft are removed.
3. Remove camshaft gear and bolt.
4. Remove 2 bolts securing camshaft thrust plate
to cylinder block, remove plate.
5. Withdraw camshaft, taking care not to damage
bearings in cylinder block.
NOTE: Camshafts fitted to 4.0 litre engines
are colour coded ORANGE whilst those
fitted to 4.6 litre engines are colour coded
RED.