Valves (G1669336): Removal
WARNING: This page is about a different car, the 2013 Jaguar XJ, 2012 Jaguar XJ, 2011 Jaguar XJ, and 2010 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to: Battery Disconnect and Connect (414-01, General Procedures).
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WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
Raise and support the vehicle.
- Refer to: CYLINDER HEAD LH (G1271890) .
- Refer to:CYLINDER HEAD RH (G1271891) .
- CAUTION:
- Make sure that the area around the component is clean and free of foreign material.
- Make sure the working surfaces are thoroughly clean to avoid contamination of the sensitive components.
- Make sure that the valve grinding paste is kept away from the valve stem.
- Place a small amount of fine valve grinding paste evenly around the contact face of the valve.
- Place the valve in position and, using a suitable valve grinding tool, rotate the valve back and forth a few degrees on its seat, using light pressure.
- Raise the valve frequently during lapping and turn it into a new position after a few laps or rotations.
- Lap only until a continuous but narrow lapping mark is visible on both the valve seat and valve face.
- Thoroughly clean all surfaces to remove traces of valve grinding paste from the cylinder head, valve seat and valve face.