Range Rover. Manual — part 58
LAND ROVER V8
51
REPAIR
8. Inspect tappet body for excessive wear or
scoring.
NOTE: If scoring or deep wear patterns
extend up to oil feed area, replace tappet.
9. Inspect pushrod seats in tappets. If surface is
rough or pitted, replace tappet.
10. Clean and inspect tappet bores in engine block.
11. Ensure that tappets rotate freely in their
respective bores.
12. Inspect pushrods for straightness.
13. Inspect pushrod contact surfaces. If surfaces are
rough or pitted, replace pushrod.
14. Inspect pushrod seats in valve rocker arms. If
surfaces are rough or pitted, replace rocker arm.
Refit
15. Immerse tappets in clean engine oil.
16. Lubricate tappet bores with clean engine oil.
17. Refit tappets in removed order.
18. Refit pushrods in removed order.
19. Refit rocker shaft assemblies.
See this section.
20. Refit inlet manifold gasket.
See MANIFOLD
AND EXHAUST SYSTEM, Repair.
21. Reconnect battery negative lead.
CYLINDER HEAD GASKET (LH) - from 99MY
Service repair no - 12.29.02
Remove
1. Remove inlet manifold gasket
See MANIFOLD
AND EXHAUST SYSTEM, Repair.
2. Remove exhaust manifold gasket
See
MANIFOLD AND EXHAUST SYSTEM, Repair.
3. Remove dipstick and dipstick tube. Remove four
screws securing rocker cover and remove rocker
cover.
4. Remove bolt securing engine harness to rear of
cylinder head.
12
ENGINE
NEW RANGE ROVER
52
REPAIR
5. Progressively remove 4 bolts securing rocker
shaft and remove rocker shaft.
6. Remove push rods.
NOTE: Store push rods in their fitted
order.
7. In the sequence shown remove 10 bolts
securing the cylinder head to block.
8. Remove cylinder head.
9. Remove cylinder head gasket.
Refit
10. Clean mating faces of cylinder block and head
using suitable gasket removal spray and a
plastic scraper, ensure that bolt holes in block
are clean and dry.
CAUTION: Do not use metal scraper or
machined surfaces may be damaged.
11. Check head and block faces for warping and
pitting.
12. Fit cylinder head gasket with the word TOP
uppermost.
NOTE: Gasket must be fitted dry.
13. Carefully fit cylinder head and locate on dowels.
14. Lightly lubricate new cylinder head bolt threads
with clean engine oil.
LAND ROVER V8
53
REPAIR
NOTE: Long bolts: 1, 3, 5.
15. Fit bolts and tighten in the sequence shown to
20 Nm (15 lbf.ft) then 90
°
, then a further 90
°
.
16. Clean push rods.
17. Lubricate ends of push rods with clean engine
oil.
18. Fit push rods in their removed order.
19. Clean base of rocker pillars and mating faces on
cylinder head.
20. Clean contact surface on rockers, valves and
push rods.
21. Lubricate contact surfaces and rocker shaft with
clean engine oil.
22. Fit rocker shaft assembly and engage push rods.
23. Tighten rocker shaft securing bolts progressively
to
38 Nm (28 lbf.ft).
24. Fit and tighten engine harness bolt to
20 Nm (15
lbf.ft).
25. Refit rocker cover.
26. Ensure dipstick tube and mating face on cylinder
block is clean.
27. Apply Loctite 638 to end of dipstick tube and fit
tube and dipstick to cylinder block.
28. Fit exhaust manifold.
See MANIFOLD AND
EXHAUST SYSTEM, Repair.
29. Fit inlet manifold gasket.
See MANIFOLD AND
EXHAUST SYSTEM, Repair.
CYLINDER HEAD GASKET (RH) - from 99MY
Service repair no - 12.29.03
Remove
1. Remove inlet manifold gasket.
See MANIFOLD
AND EXHAUST SYSTEM, Repair.
2. Remove RH exhaust manifold gasket.
See
MANIFOLD AND EXHAUST SYSTEM, Repair.
NOTE: RHD models: Exhaust manifold will
remain captive in engine bay but clear of
cylinder head.
3. Remove bolt securing auxiliary drive belt
tensioner and remove tensioner.
12
ENGINE
NEW RANGE ROVER
54
REPAIR
4. Remove bolt securing engine earth lead.
5. Remove bolt securing engine oil cooler pipe to
alternator mounting bracket.
6. Remove 4 bolts securing alternator mounting
bracket and remove bracket.
7. Disconnect HT leads from spark plugs.
8. Remove rocker cover.
9. Progressively remove 4 bolts securing the rocker
shaft and remove rocker shaft assembly.
10. Remove push rods.
NOTE: Store push rods in their fitted
order.
11. In the sequence shown remove 10 bolts
securing the cylinder head.
12. Remove cylinder head.
13. Remove cylinder head gasket.
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