Valve Guide Seal: Service and Repair

Valve Seals

Special Tool(s):

Removal

1. WARNING: If equipped with fire suppression system, depower the system. For important safety warnings and procedures, refer to Fire Suppression System.

With the vehicle in NEUTRAL, position it on a hoist.
2. Remove the valve springs.
3. Remove the valve stem seals.

Installation

1. NOTE: The valve stem seal must be bottomed on the valve seat.

NOTE: Make sure that the garter spring is present in the valve stem seal.

Use the special tools to install the valve stem seals.





2. Install the valve springs.

3. WARNING: If equipped with fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System.

If equipped with fire suppression system, repower the system.