Cylinder Head Clean and Inspect

Tools Required
^ J 9666 Valve Spring Tester
^ J 8001 Dial Indicator


1. Use the J 8089 in order to clean the carbon from the combustion chambers and the valve parts. Be careful not to scuff the chamber
2. Clean the following areas:
a. The carbon and the sludge from the valve pushrods and the rocker arms
b. The valve stems and heads on a buffing wheel
c. The cylinder head and engine block gasket surfaces
d. The bolt hole threads in the cylinder heads and the engine block
3. Inspect the following areas:
a. The cylinder head for cracks in the exhaust ports and combustion chambers.
b. The cylinder head for external cracks in the water chamber.
c. The valves for burned heads, cracked faces, or damaged stems.
d. The valve springs for squareness.
4. Use the J 9666 in order to measure the valve spring.
^ Replace the intake valve spring if the spring tension is less than 360 Nm (81 lbs.) at 45.2 mm (1.78 in.).