M/T - Recommended Oil

88porsche07

Subject:
Manual Transmission Oil
Model

All
Group

3
Part Identifier

3400
Number

8813
October 14, 1988
Transmission oil labeled API service classification GL 5 or MIL-L 2105 B must be used on all Porsche models.

Oil classifications such as GL 6 and GL 7 may cause synchronizer failure and are not recommended.