300SD (126.120) L5-3.0L DSL Turbo (617.951) (1982)
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5
Push-in piston pin coated with engine oil manually.
6
Place piston pin lock into groove.
Check piston rings for easy operation.
Then installing used pistons, check piston rings for gap and side clearance.
7
Lubricate clean cylinder bores, connecting rod bearing journals, connecting rod bearing shells and pistons.
