Range Rover (LM) V8-4.4L (2009)
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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. Retain the LH secondary timing chain tensioner piston.
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Using 1 mm diameter metal rod, retain the chain tensioner piston.
15. Install the secondary timing chain tensioner and chain to the camshaft sprockets.
NOTE: Lightly tighten the camshaft sprocket Torx(R) bolts, the sprockets MUST be free to move.
16. Install the secondary timing chain and sprockets to the camshafts.
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Install the sprocket retaining Torx(R) bolts to the camshafts.
17. Install the secondary timing chain tensioner retaining bolts.
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Tighten the bolts to 12 Nm (9 ft. lbs).
18. Tension the secondary timing chain.
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Remove the retaining rod.
19. Install the primary timing chain.
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Make sure the timing chain slack is on the tensioner side of the timing chain.
20. Install the primary tensioner guide.
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Tighten the bolts to 12 Nm (9 ft. lbs).
CAUTION: During timing chain tensioner compression, do not release the ratchet stem until the timing chain tensioner piston is fully bottomed
in its bore or damage to the ratchet stem will result.
21. Install the primary chain tensioner.
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Using 3 mm diameter metal rod, retain the chain tensioner piston.
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Tighten the bolts to 12 Nm (9 ft. lbs).
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Remove the retaining rod.
