Technical Bulletin Model
All
Group
3
Subject: Manual Transmission Oil Part Identifier
3400
Number
8813

Transmission oil labeled API Service Classification GL 5 or MIL-L 2105 B must be used on all Porsche models.

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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October 14, 1988