| In-vehicle Repair Special Tool(s) | | Compressor, Valve Spring 303-361 (21-155) | | | Adaptor for 303-361 303-361-04 (21-155-04) | | | Adaptor for 303-361- 303-361-05 (21-155-05) | | | Installer, Valve Stem Collets 303-362 (21-156) | | | Pliers, Valve Stem Oil Seals 303-508 (21-211) | Materials Name Specification Engine Oil WSS-M2C912-A1 Removal | | -
Remove the cylinder head. For additional information, refer to Cylinder head in this section. | | | -
CAUTION:Keep the valve tappets in order for reassembly. Remove the valve tappets. | | | -
NOTE:Insert wooden wedges in the combustion chamber recesses in the cylinder head so that the valves are held in place for removal. Install the special tools. | | | -
Remove the valve springs. - Compress the valve springs.
- Remove the valve collets.
- Remove the valve spring retainers and the valve springs.
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Using the special tool, remove the valve seals. | Installation | | -
Install a valve stem mounting sleeve over the valve collet groove (valve shown removed for clarity). | | | -
CAUTION:The valve seal for the intake valve is green. The valve seal for the exhaust valve is brown. NOTE:Insert wooden wedges in the combustion chamber recesses in the cylinder head so that the valves are held in place for installation. NOTE:Install new valves seals. NOTE:Coat the valve seal lip and the valve stem with clean engine oil. Using the special tool, install the valve seals. | | | -
Using the special tool, install the valve springs. - Install the valve spring retainers and the valve springs.
- Compress the valve springs.
- Install the valve collets.
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Remove the special tools. | | | -
CAUTION:The valve tappets must be installed in their original locations. Install the valve tappets. | | | -
Install the cylinder head. For additional information, refer to Cylinder head in this section. | | |
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