Withdrawal (with cylinder head installed)
Remove the camshafts.
Remove pump injectors.
Move the piston of the corresponding cylinder to the TDC position.
Screw the valve mount to the cylinder head.
Pic. 2.312. Removing the valve spring
Remove the valve springs with a valve puller or mandrel (pic. 2.312).
Note: The valves rest on the bottom of the piston.
Remove the valve stem seals with a puller.
Installation
Place the plastic boot A provided in the repair kit over the corresponding valve stem. This will help prevent damage to the new valve stem seal B.
Pic. 2.313. Installing a new valve stem seal
Install the new valve stem seal into the valve stem seal press tool (pic. 2.313).
Lubricate the sealing lip of the valve stem and install on the valve guide until it stops.
Install the pump injectors.
Install the camshafts.
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