| In-vehicle Repair Special Tool(s) | | Compressor, Valve Spring 303-361A | | | Adapter for 303-361A 303-361-04 | | | Adapter for 303-361A 303-361-05 | | | Installer, Valve Stem Collets 303-362 | | | Connector, Air Supply (Cylinder Head) 303-363 | | | Pliers, Valve Stem Seal 303-508 | Materials Name Specification Engine oil - 5W30 WSS-M2C913-B WARNING:Do not smoke or use any kind of naked flame when working on or near any fuel-related components. Highly flammable vapors are always present and may ignite. Failure to observe this instruction can lead to injury. | | -
Remove the camshafts.
For additional information, refer to: Nockenwellen.
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Set the relevant piston to BDC. | 3. Remove the components in the order indicated in the following illustration(s) and table(s). 4. To install, reverse the removal procedure. Removal Details Item 1 : Valve tappets CAUTION:Set the valve tappets aside in the appropriate sequence for reinstallation. Item 2 : Valve collets | | -
Install the special tools. | | | -
Apply compressed air to the cylinder (7-10 bar) using the special tool. | | | -
Compress the valve spring using the special tool. | | | -
Using the special tools, remove the valve collets. | Item 3 : Valve spring retainers CAUTION:Set the valve spring retainers aside in the appropriate sequence for reinstallation. Item 4 : Valve springs CAUTION:Set the valve springs aside in the appropriate sequence for reinstallation. Item 5 : Valve stem seal | | -
Using the special tool, remove the valve stem seals. | Installation Details Item 5 : Valve stem seal | | -
Install a protective sleeve over the valve collet groove (valve shown removed for clarity). | | | -
CAUTION:The valve stem seals for the inlet valves are green, and those for the exhaust valves are brown. NOTE:Install new valve stem seals. NOTE:Coat the valve stem seals with clean engine oil. Using the special tool, install the valve stem seals. | | | -
Remove the valve stem protective sleeve. | |
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