LR3/Disco 3
Install the LH primary chain tensioner.
Using 3 mm diameter metal rod, retain the chain tensioner piston.
Tighten the bolts to 12 Nm (9 lb.ft).
Remove the retaining rod.
21 .
CAUTION: Using the special tool apply force to the tool in an anti-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
camshaft sprocket retaining bolt. Engine damage will occur if this procedure is not followed.
Install the special tool to the exhaust camshaft sprocket.
Tighten the intake camshaft sprocket retaining bolt to 120 Nm (88 lb.ft).
Tighten the exhaust camshaft retaining bolt to 120 Nm (88 lb.ft).
22 .
Install the LH VCT oil control unit.
Install the new O-ring seals.
Tighten the new bolts to 22 Nm (16 lb.ft).
Tighten the nut to 10 Nm (7 lb.ft).
23 .
Install the RH primary timing chain.
Make sure the timing chain slack is on the tensioner side of the timing chain.
24 .
Install the RH primary chain tensioner guide.
Tighten the bolts to 12 Nm (9 lb.ft).
