XK-8 Convertible (X100) V8-4.0L (AJ26) (1997)
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20. Remove the VVT unit.
Remove the securing bolt from the VVT unit and the exhaust cam sprocket.
Remove the VVT unit, exhaust sprocket and secondary chain as an assembly (release the chain from the tensioner which is still secured to the
cylinder head).
Remove the secondary chain from the VVT unit and the sprocket.
21. Clean and inspect all relevant components.
Installation
1. Push the tensioner piston (secondary chain) into the body to provide clearance for installing.
Insert a thin rigid wire through the hole in the end of the tensioner piston to displace the ball from the non-return valve seat.
With the wire in position, press the piston fully into the tensioner body.
Remove the wire.
2. Install the VVT unit to the engine.
Assemble the VVT unit, the exhaust camshaft sprocket and the secondary chain, in preparation for installing to the engine.
Install the above assembly to the camshafts with the chain correctly positioned over the tensioner; VVT unit to the intake and the sprocket to the
exhaust.
