Range Rover. Manual — part 33
BMW DIESEL
23
REPAIR
Refit
23. Remove timing pin LRT-12-108 from
flywheel/drive plate.
24. Rotate crankshaft anti-clockwise approximately
30
°
.
25. Fit camshaft with lobes of No.1 cylinder facing
upwards.
26. Fit camshaft bearing caps ensuring No.1 cap is
at front of engine and cap identification marks
are on exhaust manifold side.
27. Locate tool LRT-12-113 on cylinder head,
secure tool with camshaft cover bolts.
28. Rotate shaft of tool LRT-12-113 to load camshaft
bearing caps.
29. Fit camshaft bearing cap nuts and tighten to:
M6 -
10 Nm (7 lbf.ft)
M7 -
15 Nm (11 lbf/ft)
M8 -
20 Nm (15 lbf/ft)
30. Rotate shaft of tool LRT-12-113 until loading is
removed from camshaft bearing caps, remove
tool.
CAUTION: The tappets expand when
camshaft is removed. To avoid pistons
contacting valves, observe the following
wait times before rotating pistons back to top
dead centre (TDC).
Above 20
°
C - 4 minutes
10
°
C to 20
°
C - 11 minutes
0
°
C to 10
°
C - 30 minutes
Below 0
°
C - 75 minutes
31. Rotate crankshaft clockwise until No.1 piston is
at top dead centre (TDC) and timing pin
LRT-12-108 can be inserted in flywheel/drive
plate; fit camshaft holding tool LRT-12-112.
NOTE: If camshaft is not positioned
correctly, rotate camshaft using spanner
on cast hexagon until tool can be fitted.
32.
Engines with recorded mileage in excess of
20,000 km (12,500 miles): Insert a 4.61 mm
(0.18 in) thickness of feeler gauges between
camshaft holding tool LRT-12-112 and inlet
manifold side of cylinder head.
33.
All engines: Fit camshaft sprocket.
34. Fit new camshaft sprocket bolt and tighten to:
Stage 1 -
20 Nm (15 lbf.ft).
Stage 2 - Further 35
°
NOTE: Use angular torque wrench.
35. Using tool LRT-12-115, retract timing chain
tensioner rail slightly and remove tensioner pin
LRT-12-114.
36. Fit new sealing washer to timing chain tensioner
access plug, fit plug and tighten to
20 Nm (15
lbf.ft) .
37. Remove timing pin LRT-12-108 from
flywheel/drive plate.
38. Fit plastic plug in timing pin access hole.
12
ENGINE
NEW RANGE ROVER
24
REPAIR
39. Apply STC 3373 sealant to camshaft front cover
plate dowel bolt.
40. Lubricate new ’O’ ring with engine oil.
41. Position harness trunking.
42.
Vehicles without EGR: Fit ’O’ ring and camshaft
front cover plate, fit bolts and tighten to
22 Nm
(16 lbf.ft) .
CAUTION: Ensure dowel bolt passes
through timing chain guide rail.
43. Position nut plate to bracket, fit and tighten
harness trunking bolt.
44. Fit camshaft cover.
See this section.
45.
Vehicles with EGR: Fit EGR vacuum pump. See
EMISSION CONTROL, Repair.
CYLINDER HEAD GASKET
Service repair no - 12.29.02
Remove
1. Disconnect battery negative lead.
2. Remove fan cowl.
See COOLING SYSTEM,
Repair.
3. Remove high pressure fuel pipe assembly.
See
FUEL SYSTEM, Repair.
4. Remove camshaft cover.
See this section.
5.
Vehicles with EGR: Remove EGR vacuum
pump.
See EMISSION CONTROL, Repair.
6. Remove exhaust manifold heat shield.
See
MANIFOLD AND EXHAUST SYSTEM, Repair.
7. Remove 3 bolts securing turbocharger to
exhaust manifold. Collect gasket and discard.
8. Remove turbocharger intake hose. Plug
turbocharger intake.
BMW DIESEL
25
REPAIR
9. Disconnect leak-off pipe from No. 1 injector. Plug
injector and pipe.
10. Disconnect engine coolant temperature sensor
(ECT) Sensor and temperature gauge sensor.
11. Disconnect leads from 6 glowplugs.
12. Disconnect No. 4 injector needle lift sensor.
Vehicles without EGR
13. Remove 2 bolts securing harness trunking to
cylinder head. Tie trunking aside.
14. Remove remaining bolt securing camshaft end
cover. Remove cover. Discard ’O’ ring.
NOTE: LH cover bolt also serves as
retaining pin for timing chain guide rail.
All vehicles
15. Release alternator belt tension using a suitable
lever beneath tensioner damper as shown.
Release drive belt from alternator pulley.
16. Remove bolt securing damper to drive belt
tensioner.
17. Release hoses from thermostat housing and
cylinder head.
18. Disconnect heater hose from cylinder head.
19. Remove plastic plug from flywheel timing pin
access hole. Insert timing pin LRT-12-108.
12
ENGINE
NEW RANGE ROVER
26
REPAIR
20. Turn crankshaft clockwise until No. 1 piston is at
Top Dead Centre (TDC) on its compression
stroke. Locate timing pin into flywheel.
NOTE: TDC No. 1 indicated by camshaft
lobes of No. 1 cylinder pointing upwards.
21. Fit camshaft holding tool LRT-12-112.
22. Remove timing chain tensioner access plug.
Collect sealing washer and discard.
23. Using tool LRT-12-115, lever timing chain
tensioner rail to slack position. Insert tool
LRT-12-114 to retain tensioner plunger.
24. Remove bolt securing camshaft sprocket.
Remove sprocket.
25. Remove timing chain tensioner and guide rail
pins. Remove ’O’ rings and discard.
26. Remove timing chain tensioner rail.
27. Remove 5 bolts and 1 nut securing cylinder
head to timing cover.
28. Remove camshaft holding tool.
CAUTION: Do not rotate camshaft.
29. Using sequence shown, progressively slacken
and remove 14 cylinder head bolts. Discard
bolts.
NOTE: LH rear bolt cannot be removed
due to proximity of bulkhead.
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