2019 Mercedes Benz Truck Sprinter 3500 Cab (906.153) V6-3.0L DSL Turbo (642.898)Technical Service Bulletin # LI35-31_N-048694 Date: 100126
Drivetrain - Oil Residue On Rear Axle In Pinion Seal Area
Oil residue on rear axle in area of drive pinion bearing seal
Topic number LI35.31-N-048694
Version 1
Design group 35.31 Rear axle center assembly
Date 01-26-2010
Validity Model 906.###
Reason for change
Reason for block
Complaint:
Oily residue is found in the area of the bearing seal of the drive pinion
Attachments
Cause:
Before starting repair work to rectify leaks, carefully check what type of leak is present at the affected major assembly.
2010 Mercedes Benz Truck Sprinter 3500 Cab (906.153) V6-3.0L DSL Turbo (642.898)
Page 94
Moist areas from which no fluid is dripping off or draining away do not represent cause for complaint. These are caused by the phenomenon of
"sweating" (see attachment).
This "sweating" cannot be avoided with the current state of the art and does not have any negative effects. This sweating may also be caused by
pregreasing of the pinion sealing ring.
Remedy:
Repairs due to sweating only produce an aesthetic improvement and are not justified.
To perform a precise check, clean the affected area thoroughly with a cloth and monitor over an appropriate period of time (approx. 1 week or max.
1000 km).
If necessary, check the rear axle oil level and the housing ventilation up to the frame crossmember.
If fluid is dripping or draining off visibly, a leak is present which must be eliminated by performing appropriate repair work as described in WIS.
If a leak is present, also replace the standard oil drain screw with a magnetic oil drain screw A 000 990 58 17.
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