| In-vehicle Repair Special Tool(s) | | Compressor, Valve Spring 303-361 (21-155) | | | Adapter for 303-361 303-361-04 (21-155-04) | | | Adapter for 303-361 303-361-05 (21-155-05) | | | Installer, Valve Stem Collets 303-362 (21-156) | | | Adapter, Air Supply (Cylinder Head) 303-363 (21-157) | | | Pliers, Valve Stem Oil 303-508 (21-211) | Materials Name Specification Engine oil WSS-M2C912-A1 Removal | | -
Remove the camshafts. For additional information, refer to Camshafts in this section. | | | -
Remove the engine rear lifting eye. | | | -
CAUTION:Keep the valve tappets in order for reassembly. Remove the valve tappets. | | | -
Install the special tools. | | | -
Apply 7 to 10 bar of compressed air into the cylinder. | | | -
Using the special tool, remove the valve springs. - Compress the valve spring.
- Remove the valve collets.
- Remove the valve spring retainer 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 intake valve seal are colored green, and the exhaust valve seals are colored brown. NOTE:Install new valve seals. NOTE:Coat the valve seal lip and the valve stem with clean engine oil. Using the special tool, install the valve seal. | | | -
Remove the mounting sleeve. | | | -
Using the special tool, install the valve springs. - Install the valve spring retainer and the valve springs.
- Compress the valve spring.
- 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 engine rear lifting eye. | | | -
Install the camshafts. For additional information, refer to Camshafts in this section. | | |
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