landrover Workshop Repair Guides

Land Rover Workshop Service and Repair Manuals

Variable camshaft unit - variable camshaft control (VCC)|Page 288 > < Variable camshaft unit - variable camshaft control (VCC)|Page 286
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ENGINE - V8

12-2-98 OVERHAUL

11. Compress LH exhaust timing chain tensioner, 

fit LRT-12-220 to chain tensioner and remove 2 
Torx bolts securing LH VCC unit and LH 
exhaust camshaft sprocket.

NOTE: Thread is left handed.

12. Remove LH exhaust camshaft gear, LH 

exhaust camshaft chain and LH VCC unit.

NOTE: Secure chain to cylinder head to 
prevent chain falling into lower timing gear 
cover.

Reassembly

1. Position LH VCC unit to timing gear chain, fit 

VCC unit and exhaust camshaft sprocket to 
camshafts, fit and hand tighten 2 Torx bolts to 
eliminate excess play.

NOTE: Thread is left handed.

2. Compress LH exhaust timing chain tensioner 

and remove LRT-12-220.

3. 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.

4. Fit LRT-12-224 to LH VCC unit, connect 

multimeter between pin on LH VCC unit and 
stud on LH oil line.

5. Rotate LH VCC unit anticlockwise 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.

6. 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.

7. Fit LRT-12-224 to RH VCC unit, connect 

multimeter between pin on RH VCC unit and 
stud on RH oil line.

Variable camshaft unit - variable camshaft control (VCC)|Page 288 > < Variable camshaft unit - variable camshaft control (VCC)|Page 286