Range Rover Sport (LS) V8-4.2L SC (2006)
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19. Install the primary timing chain.
^
Make sure the timing chain slack is on the tensioner side of the timing chain.
20. Install the primary tensioner guide.
^
Tighten the bolts to 12 Nm (9 ft. lbs.).
21. 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 primary chain tensioner.
^
Using a metal rod, retain the tensioner piston.
^
Tighten the bolts to 12 Nm (9 ft. lbs.).
^
Release the retaining rod.
22. CAUTION: Using the special tool, apply force to the tool in a counter-clockwise direction, to tension the primary timing chain on its drive
side.
CAUTION: The intake camshaft sprocket retaining bolt MUST be tightened before the exhaust 1 aft sprocket retaining bolt. Engine
damage will occur if this procedure is not followed.
CAUTION: Make sure that new bolts are installed.
Install the special tool to the exhaust camshaft sprocket.
^
Tighten the intake camshaft sprocket retaining bolt to 120 Nm (88 ft. lbs.).
^
Tighten the exhaust camshaft retaining bolt to 120 Nm (88 ft. lbs.).
23. Remove the special tool from the RH cylinder head.
24. Remove the crankshaft locking tool.
^
Remove the screw.
25. Install the CKP sensor.
26. Install the engine front cover.
27. Install the battery tray.
