Nissan Sentra/Pulsar/NX 1982-1996 Repair Guide

Valve Guides

Imprimir

The following procedures are provided as an overview for guide replacement. After the guides have been replaced the valve to valve seat contact area must be check. It may be necessary to match ground to the valves to the seats. All valve and valve seat grinding operations should be performed by a qualified machine shop; only the valve lapping operation is recommended to be performed by the home mechanic.

REMOVAL & INSTALLATION



See Figures 1, 2, 3 and 4



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Fig. Fig. 1: Measuring the valve guide and valve stem for clearance



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Fig. Fig. 2: After heating the cylinder head to a