Quick Summary
Looking for the correct oil type for your 1991 Oldsmobile CUTLASS CRUISER? According to factory specs, the 2.5L 4 -cyl Engine Code [R] R requires See Manual viscosity oil. Using the right oil capacity of 4.5 QUARTS ensures engine longevity and fuel efficiency.
๐ข๏ธ 2.5L 4 -cyl Engine Code [R] R Most Common
Verified Data
Capacity
4.5 QUART
Viscosity
See Manual
Oil Filter
EA15K29
Drain Plug Torque
30 ft/lbs
๐ข๏ธ 3.3L 6 -cyl Engine Code [N] N
Verified Data
Capacity
4.5 QUART
Viscosity
See Manual
Oil Filter
EA15K29
Drain Plug Torque
30 ft/lbs
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Oil Filter
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Drain Plug Gasket
Replace every oil change - don't reuse!
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Oil Drain Pan
Catch and store used oil safely
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No-spill oil pouring
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Mechanic Gloves
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Common Trouble Codes for 1991 Oldsmobile CUTLASS CRUISER
Get vehicle-specific repair guides for these codes