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Home >> Chevrolet >> 1997 >> Camaro V6-3.8L VIN K >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Cylinder Head Assembly >> Valve Spring >> Service and Repair

Valve Spring: Service and Repair

Tools Required, or equivalent:
^ J22794 Spark Plug Port Adapter
^ J38606 Valve Spring Compressor (head-on)
^ J23738-A Valve Stem Seal Tester
^ J41512 Valve Guide Seal Installer

CAUTION: Rotate the engine so that the cylinder to be serviced is at top dead center before removing the valve keys. Do this in order to prevent the valve from falling into the cylinder.

REMOVAL
1. Remove the valve rocker arm and pushrods.
2. Remove the spark plug at the cylinder to be serviced.





3. Install the Spark Plug Port Adapter. Apply compressed air in order to hold the valve in place.

CAUTION: When using the valve spring compressor, be careful not to scratch or gouge the valve stem.

4. Use the Valve Spring Compressor (head-on) in order to compress the valve spring.





5. Remove the valve stem key.
6. Remove the valve spring cap.
7. Remove the oil shield on the exhaust valves.
8. Remove the valve spring.
9. Remove the dampener.
10. Remove the valve stem O-ring seal.
11. Remove the intake valve stem oil seal.

INSTALLATION

CAUTION: Use hand pressure only when installing the valve stem oil seal using a Valve Guide Seal Installer. Using too much force may cause damage to the oil seal and possibly lead to excessive oil consumption.





1. Use the following procedure in order to install the intake valve stem oil seal:
a. Place the oil seal over the valve stem so that the seal contacts the valve guide.
b. Use the Valve Guide Seal Installer in order to push the valve stem oil seal over the valve guide.
2. Install the valve stem O-ring seal.
3. Install the valve spring dampener.
4. Install the valve spring.
5. Install the valve spring oil shield on the exhaust valve.
6. Install the valve cap.
7. Use the in order to compress the valve spring.
8. Use the following procedure in order to install the valve stem key:
a. Use grease in order to hold the key in place while disconnecting the Spark Plug Port Adapter.
b. Remove the Spark Plug Port Adapter.
c. Ensure that the key seats properly in the upper groove of the valve stem.
d. Tap the end of the stem with a plastic-faced hammer in order to seat the key.
9. Install the spark plug. Tighten the spark plug to 27 Nm (20 ft. lbs.).





10. Use the following procedure in order to inspect the valve stem O-ring seal for leaks:
a. Place the Valve Stem Seal Tester over the end of the valve stem and against the valve cap.
b. Operate the Valve Stem Seal Tester.
c. Ensure that no air leaks past the valve stem O-ring.
11. Measure the valve spring installed height.
12. Install the valve rocker arms and pushrods.
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