Range Rover Sport (LS) V8-4.4L (2009)
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10. 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.).
11. CAUTION: Camshaft lobes must be 180° away from each valve tappet or valve clearance will be incorrect.
Check valve tappet clearances are correct.
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Rotate the camshafts using the Torx bolts.
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Remove the camshaft Torx bolts after the check is complete.
12. Install the special tool to the LH cylinder head.
13. NOTE: RH illustration shown, LH is similar
Depress the LH secondary timing chain tensioner piston.
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Using 1 mm diameter metal rod, retain the chain tensioner piston.
14. Install the LH secondary timing chain tensioner and chain to the camshaft sprockets.
15. Install the LH secondary timing chain tensioner retaining bolts.
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Tighten the bolts to 12 Nm (9 ft. lbs.).
16. NOTE: Lightly tighten the camshaft sprocket Torx bolts, the sprockets MUST be free to move.
Install the LH secondary timing chain and sprockets to the camshafts.
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Install the sprocket retaining Torx bolts to the camshafts.
17. Tension the secondary timing chain.
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Remove the retaining rod.
18. Install the LH primary timing chain.
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Make sure the timing chain slack is on the tensioner side of the timing chain.
19. Install the LH primary chain tensioner guide.
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Tighten the stud to 12 Nm (9 ft. lbs.).
20. 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.
Install the LH primary timing 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.
