300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984)
1
Check connecting rod bolts and renew, if required. See: Checking, Replacement and Tightening of Big-End Clamp Bolts
2
Check bores for connecting rod bolts.
Mount connecting rod bearing cap on a connecting rod bolt. If the connecting rod bearing cap is moving downwards under its own weight, the
connecting rod must be replaced.
3
Mount connecting rod bearing caps, lubricate connecting rod nuts and tighten to 40 - 50 Nm preload and 90-100° angle of rotation torque.
4
Measure connecting rod bearing basic bore If basic bore exceeds a specified value of 55.62 mm or is conical in shape. refinish bearing cap
supporting surface on a face plate up to max. 0.02 mm.