Fluid · Manual Transmission
Manual Transmission
for 1965 GMC 1000 Series 305 cu in (5.0L) GMC V6 (305C/305D) · RWD
Fluid Type
SAE 80W-90 or SAE 90 GL-4
Spec: GM Spec 1960-M or API GL-4
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
50,000 mi
80,450 km
Data quality
Book-style estimate
Not yet expert-verified. Have the real number? Correct it below — takes 30 seconds.
Notes
3-speed or 4-speed manual transmission. Check level annually