Range Rover V8 Engine Variable Camshaft Control Repair - RH - Page 215
ENGINE - V8
REPAIRS 12-2-29
25. Compress RH exhaust timing chain tensioner,
fit LRT-12-220 to chain tensioner and remove 2
Torx bolts securing RH VCC unit and RH
exhaust camshaft sprocket.
NOTE: Thread is left handed.
26. Remove RH exhaust camshaft sprocket, RH
exhaust camshaft chain and RH VCC unit.
NOTE: Secure chain to cylinder head to
prevent chain falling into lower timing gear
cover.
Refit
1. Position RH exhaust camshaft chain to RH
VCC unit and position RH exhaust camshaft
sprocket to RH exhaust camshaft chain.
NOTE: The VCC unit, exhaust camshaft chain
and exhaust camshaft sprocket do not have
timing marks on them. These parts may be
freely fitted to the timing gear chain and
camshafts in any position.
2. Position RH VCC unit to timing gear chain, fit
VCC and exhaust camshaft sprocket to
camshafts, fit and hand tighten 2 Torx bolts to
eliminate play.
NOTE: Thread is left handed.
3. Compress RH exhaust timing chain tensioner
and remove LRT-12-220.
4. Fit LRT-12-221 to RH cylinder head, fit LRT-
12-222 to LRT-12-221 and hand tighten.
NOTE: Only screw in adjustment bolt until slight
resistance is present.
5. Fit LRT-12-224 to LH VCC unit, connect
multimeter between pin on LH VCC unit and
stud on LH oil line.
6. Rotate LH VCC unit using LRT-12-224 to 40
Nm (30 lbf.ft) and using the multimeter, check
continuity is present.
NOTE: Rotating the VCC unit using LRT-12-
224 will remove the oil cushion and make sure
the VCC unit is at the full LH stop position.
Continuity should be present when the VCC
unit reaches this position.
7. Tighten Torx bolts securing LH VCC unit and
exhaust camshaft sprocket to 15 Nm (11 lbf.ft)
and loosen one quarter of a turn.
NOTE: Thread is left handed.