Jaguar Workshop Service and Repair Manuals

Valve Clearance: Service and Repair

Valve Clearance Adjustment 

1. Remove the camshafts. For additional information, refer to Camshaft, Lifters and Push Rods.
2. Use compressed air to remove the shims that require replacing.

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Blow compressed air between the shim edge and bucket to dislodge the shim.

3. Use the following formula to calculate the required shim thickness.

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Original shim thickness + measured clearance - desired clearance = required shim thickness.

4. Apply a light coat of engine oil to the replacement shim(s) and install.
5. Install the camshafts. For additional information, refer to Camshaft, Lifters and Push Rods.