300D (124.133) L6-3.0L DSL Turbo (603.960) (1987)
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unsure what model (chassis) number you are working on see Application and ID. See: Application and ID
NOTE 1:
This note (below) applies only to models 129.076, 140.056/057. Perform the steps below in lieu of the first three steps found in "Work Steps".
Disassembling:
The tandem pump (1) for engine 120 has an expansion reservoir for equalizing the oil reservoir (35) on the pump housing which is located between
the coolant thermostat and the intake pipe.
An oil dipstick (36a) with min. and max. markings for the oil level check is located on the end cover of the expansion reservoir (36).
Unscrew the four bolts (35a) from the oil reservoir (35) and remove reservoir. Check O-ring (2g), replace if required. Work steps numbers 1-3 in
"Work Steps" are omitted.
NOTE 2:
This note (below) applies only to models 129.066/067, 140.04/050/051. Perform the steps below in lieu of the first three steps found in "Work Steps".
Disassembling:
