Valve Spring, Retainer and Seal

Valve Spring, Retainer and Seal

Special Tool(s):

Material:

Removal

CAUTION: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan, can cause engine failure.

1. Remove the camshaft roller followers.

2. CAUTION: If air pressure has forced the piston to the bottom of the cylinder, any loss of air pressure will allow the valve to fall into the cylinder. If air pressure must be removed, support the valve prior to removal.

CAUTION: If the components are to be reinstalled, they must be installed in their original positions. Mark the components for installation into their original locations.

NOTE: If a valve drops into the cylinder, remove the cylinder head.

Pressurize the cylinder using compressed air.





3. Using the special tool, remove the key, retainer and the valve spring.

4. NOTE: Camshaft removed for clarity.





Remove and discard the valve seal.

Installation

1. NOTE: Lubricate the valve guide with clean engine oil.





Using the special tool, install the new valve seal.

2. CAUTION: If the components are to be reinstalled, they must be installed in their original positions.





Using the special tool, install the valve spring, retainer and key.
3. Install the camshaft roller followers.