S-Type (X200) V8-4.2L SC (2003)
Valve Clearance: Adjustments
Valve Clearance Adjustment
Special Service tools
1. Remove the Left-hand valve cover.
2. Remove the Right-hand valve cover.
3. Use a cloth to wipe away as much oil as possible from the tappet and shim.
4. Rotate the engine clockwise to position the camshaft lobe away from the shim surface.
5. Install the base plate of the valve clearance adjusting tool to the relevant cylinder head using the bolts supplied.
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Secure the tool to the valve cover retaining holes.
6. CAUTION: Do not rotate the crankshaft while the attachment is installed to the base plate.
Install the attachment of the tool to the base plate to remove the relevant shims.