gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Valve Stem Oil Seal and Valve Spring Replacement|Page 4216 > < Engine - SES Lamp ON/Misfire DTC' Set Towing Uphill
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Valve Guide Seal: Service and Repair
Valve Stem Oil Seal and Valve Spring Replacement

Removal Procedure

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Tools Required
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J 22794 Spark Plug Port Adapter

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J 38606 Valve Spring Compressor

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J 5892-D Valve Spring Compressor

1. Remove the valve rocker arms. Refer to Valve Rocker Arm and Push Rod Replacement.
2. Remove the spark plugs. Refer to Spark Plug Replacement.
3. Install the J 22794 into the spark plug hole.

Caution:  Wear safety glasses in order to avoid eye damage.

4. Apply compressed air in order to hold the valves in place.

5. Install the valve rocker arm nut.
6. Use the J 5892-D in order to compress the valve spring.

Valve Stem Oil Seal and Valve Spring Replacement|Page 4216 > < Engine - SES Lamp ON/Misfire DTC' Set Towing Uphill