Fluid · Manual Transmission
Manual Transmission
for 1982 Porsche 911SC 3.0L H6 · RWD
Fluid Type
75W-90 GL-4 or GL-4+ synthetic
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 transmission. Do NOT use GL-5, as it can damage brass synchros. Porsche specified their own transmission oil originally.