Express 2500 V8-5.3L VIN T (2005)
Valve Guide Seal: Service and Repair
Valve Stem Oil Seal and Valve Spring Replacement
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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 42078 Valve Stem Oil Seal Installer
Removal Procedure
1. Remove the valve rocker arm.
2. Disconnect the spark plug wire at the spark plug.
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Twist each plug wire boot 1/2 turn.
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Pull only on the boot in order to remove the wire from the spark plug.
3. Important: Remove the spark plugs from the cylinder head with the engine at room temperature.
