Porsche Cayenne Differential & PTM Fluid Malaysia
Cayenne 9Y0: PTM (transfer case) every 60,000 km; front differential every 40,000 km; rear differential every 40,000 km. Neglected PTM causes PTM fault codes and AWD disengagement. Use Porsche-approved GL-5 75W-90 for differentials. Malaysia total differential service RM 600–1,100.
Porsche Cayenne Differential Fluid
- Front and rear differentials: change every 60,000 km with Porsche-spec gear oil
- Neglect causes diff noise and wear — especially under heavy towing or spirited driving