Fluid · Manual Transmission
Manual Transmission
for 1975 Porsche 911 2.7L H6 · RWD
Fluid Type
SAE 90 GL-4 or ATF
Spec: API GL-4
Capacity
3.2qt
3.03 L
Drain & Refill
3.2 qt
3.03 L
Change Interval
30,000 mi
48,270 km
Data quality
Book-style estimate
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Notes
915 5-speed transmission. Porsche originally spec'd gear oil or Type A ATF. Many owners prefer GL-4 gear oil.