Fluid · Rear Differential
Rear Differential
for 1974 Mercury Cougar 351ci V8 · RWD
Fluid Type
80W-90 or 90 GL-5
Spec: Ford M2C197-A
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
36,000 mi
57,924 km
Notes
9-inch or 8.8-inch Ford rear axle. Add 4 oz friction modifier if limited-slip equipped.
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