Range Rover P38
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.
