Range Rover (LM) V8-4.2L SC (2006)
4. Install the camshaft bearing caps.
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Evenly and progressively tighten the bolts in the sequence shown to 10 Nm (7 ft. lbs).
5. Install the sprocket retaining Torx(R) bolts to the camshafts.
CAUTION: Camshaft lobes must be 180 degrees away from each valve tappet or valve clearance will be incorrect.
6. Measure and record the tappet clearances.
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Rotate the camshafts using the Torx(R) bolts.
CAUTION: Evenly and progressively, release the camshaft bearing caps.
NOTE: Remove the camshaft bearing caps. Note their position, orientation and markings, each is marked with its position (number) and an
orientation (arrow).
7. Remove the camshaft bearing caps.
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Remove the 20 bolts.
8. Remove the camshafts.
9. Remove the valve tappets, replace with selected tappets.
10. Install the camshafts.
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Lubricate the journals and camshaft lobes.
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Clean the component mating faces.
11. Install the camshaft bearing caps.
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Evenly and progressively tighten the bolts in the sequence shown to 10 Nm (7 ft. lbs).
CAUTION: Camshaft lobes must be 180 degrees away from each valve tappet or valve clearance will be incorrect.
12. Check valve tappet clearances are correct.
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Rotate the camshafts using the Torx(R) bolts.
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Remove the camshaft Torx(R) bolts after the check is complete.
13. Install the special tool to the RH cylinder head.
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Install the 3 bolts.
14. Using 1 mm diameter metal rod, retain the chain tensioner piston.