Valve Guide Seal: Service and Repair
REMOVAL SERVICE POINTSNote: Mitsubishi manuals for this model do NOT offer an on engine valve guide seal replacement procedure. The procedure the manual does offer follows:
Note: Keep removed parts in order according to the cylinder number and intake/exhaust.
1. CYLINDER HEAD BOLT REMOVAL
2. RETAINER LOCK REMOVAL
1. Using the special tool, compress the spring.
2. Remove the retainer locks
3. VALVE STEM SEAL REMOVAL
1) Do not reuse removed valve stem seals
INSTALLATION SERVICE POINTS
1. VALVE STEM SEAL INSTALLATION
1. Using the special tool, install a new stem seal to the valve guide.
Note: Do not reuse removed valve stem seals. Always use the special tool to install the valve stem seal. Improperly installed valve stem seal may cause oil down.
2. VALVE SPRING INSTALLATION
1. Direct the valve spring end with identification color toward the spring retainer.
3. RETAINER LOCK INSTALLATION
1. Using the special tool, compress the valve spring and insert the retainer lock into position.