Grand Prix V6-191 3.1L VIN M SFI (1998)
Valve Guide Seal: Service and Repair
REMOVAL PROCEDURE
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Tools Required
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J22794 Spark Plug Port Adapter
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J 38606 Valve Spring Compressor
IMPORTANT:
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Before you remove the valve locks, rotate the engine so that the piston in the cylinder you are working on is at Top Dead Center (TDC). This
will eliminate the possibility of the valve accidentally falling inside the cylinder.
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Break the spark plug loose, and clean any dirt and debris from the spark plug recess area before removing.
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Do not remove the spark plug when the engine is hot. Remove the spark plug. Refer to Spark Plug Replacement (3100 L82 (VIN M)) in
Starting and Charging.
1. Install the J22794 into the spark plug port. Apply compressed air in order to hold the valves in place.
2. Remove the rocker arm. Refer to Valve Rocker Arm and Push Rod Replacement.
3. Install the J 38606 on the valve spring.
4. Compress the valve spring with the J 38606.
