Quick Summary
Looking for the correct oil type for your 1985 Chevrolet MONTE CARLO? According to factory specs, the 3.8L 6 -cyl Engine Code [A] A requires 15W-40 viscosity oil. Using the right oil capacity of 4.5 quarts ensures engine longevity and fuel efficiency.
๐ข๏ธ 3.8L 6 -cyl Engine Code [A] A Most Common
Verified Data
Capacity
4.5 quart
Viscosity
15W-40
Oil Filter
transmission
Drain Plug Torque
30 ft/lbs
๐ข๏ธ 4.3L 6 -cyl Engine Code [Z] Z
Verified Data
Capacity
4.5 quart
Viscosity
15W-40
Oil Filter
transmission
๐ข๏ธ 5.0L 8 -cyl Engine Code [G] G
Verified Data
Capacity
5 quart
Viscosity
15W-40
Oil Filter
transmission
Drain Plug Torque
20 ft/lbs
๐ข๏ธ 5.0L 8 -cyl Engine Code [H] H
Verified Data
Capacity
5 quart
Viscosity
15W-40
Oil Filter
transmission
Drain Plug Torque
20 ft/lbs
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Recommended Maintenance Products
Everything you need for a complete oil change
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Motor Oil
Get the correct viscosity for your engine
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Oil Filter
OEM or premium aftermarket options
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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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Funnel Set
No-spill oil pouring
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Mechanic Gloves
Keep your hands clean
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Common Trouble Codes for 1985 Chevrolet MONTE CARLO
Get vehicle-specific repair guides for these codes