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Valve Spring Inspection and Measurement

Valve Spring Inspection and Measurement


Special Tools

GE-22738-B Valve Spring Tester

Inspection Procedure


1. Clean the valve springs in solvent.

2.
Warning

Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.


Dry the valve springs with compressed air.

3. Inspect the valve springs for broken coils or coil ends.


Measurement Procedure


1. Measure the valve spring tension using the GE-22738-B tester. Refer to Engine Mechanical Specifications .


2. If a low valve spring loading is observed, the valve springs must be replaced. Do not use a shim to increase the spring loading. The use of shims can cause the valve spring to bottom out before the camshaft lobe is at peak lift.