Special Tools

J22738-B Valve Spring Tester

For equivalent regional tools, refer to Special Tools.

1. Clean the valve springs in solvent.

Warning: Refer to Safety Glasses Warning in the Preface section.

2. Dry the valve springs with compressed air.
3. Inspect the valve springs for broken coils or coil ends.

1. Measure the valve spring tension using the J22738-B tester . Refer to Engine Mechanical Specifications.
2. If low valve spring load is found, replace the valve springs. DO NOT use shims to increase spring load. The use of shims can cause the valve spring to bottom out before the camshaft lobe is at peak lift.