Discovery II
ENGINE - V8
OVERHAUL 12-2-77
Camshaft
$% 12.13.02.01
Disassembly
1. Remove inlet manifold gasket.
ENGINE - V8, OVERHAUL, Gasket -
2. Progressively loosen and remove 8 bolts
securing rocker shaft assemblies.
3. Mark each rocker shaft in relation to original
head.
4. Remove rocker shaft assemblies.
5. Remove push rods and store in their fitted
order.
6. Remove tappets.
CAUTION: Store tappets upright and in their
fitted order.
7. Remove timing chain and gears.
8. Temporarily fit camshaft gear and lightly tighten
bolt.
9. Attach a dial test indicator (DTI) to front of
cylinder block with stylus of DTI contacting
camshaft gear.
10. Push camshaft rearwards and zero the DTI.
11. Using the camshaft gear, pull camshaft
forwards and note reading on DTI. End-float
should be from 0.075 to 0.25 mm (0.003 to
0.010 in).
12. If end-float is incorrect, fit a new thrust plate. If
end-float is still incorrect, a new camshaft/gear
must be fitted.
13. Remove camshaft bolt and gear.
14. Remove 2 bolts securing camshaft thrust plate
and remove thrust plate.
15. Carefully remove the camshaft avoiding
damage to the camshaft bearings.
