Installation Procedure

WARNING: This page is about a different car, the 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT:

Use hand pressure to install the valve stem oil seal.
The color of the replacement seal may not be the same color as the original seal. Install the seals in their correct location based on GM part and package description. Make sure that the seal is fully seated on the valve guide.

Place the oil seal over the stem until the seal begins to contact the valve guide.
Use the J 42863 to install the valve stem oil seal over the valve guide.

Fig 1: Installing Valve Stem Oil Seal Over Valve Guide
Courtesy of GENERAL MOTORS CORP.
Install the J 38606 on the valve spring.

Fig 2: Installing Valve Spring Compressor On Valve Spring
Courtesy of GENERAL MOTORS CORP.
Compress the valve spring using the J 38606.

Fig 3: Compressing Valve Spring
Courtesy of GENERAL MOTORS CORP.
Install the valve spring and cap.
Install the valve locks.
Release the valve spring.
IMPORTANT: Ensure that the valve locks are seated.
Release the air pressure, and remove the J 23590.

Fig 4: Removing Spark Plug Port Adapter
Courtesy of GENERAL MOTORS CORP.
Install the spark plug. Refer to SPARK PLUGS in Self-Diagnostics - 3.8L.
Install the push rods and the valve rocker arms. Refer to VALVE ROCKER ARM AND PUSH ROD REPLACEMENT .
Install the left or the right valve rocker arm cover. Refer to VALVE ROCKER ARM COVER REPLACEMENT - LEFT or VALVE ROCKER ARM COVER REPLACEMENT - RIGHT .