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1983 Pontiac GRAND LEMANS Oil Capacity, Types, & Filters

Your essential guide to 1983 Pontiac GRAND LEMANS oil change is here! No more searching – find all the critical oil specs for your 1983 Pontiac GRAND LEMANS, including oil capacity, recommended oil viscosity (type), and the correct oil filter.

We cover all engine options, categorized by their specific engine codes, ensuring you get the right information for your specific configuration. Keep reading to discover everything you need for your next 1983 Pontiac GRAND LEMANS oil change!

Scroll Table ➜

Engine & CodeOil CapacityOil Viscosity/TypeOil Filter
3.8L 6-cylinder [A] A5 quarts (with filter)SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20, SAE 20W-40, SAE 20W-50 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)
N/A
5.0L 8-cylinder [H] H5 quarts (with filter)SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20, SAE 20W-40, SAE 20W-50 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)
N/A
5.7L 8-cylinder [N] N Diesel7 quarts (with filter)SAE 10W-30 (Below 16°C)
SAE 15W-40 (-18 To 16°C)
30 (Above 0°C)
N/A

Select Your 1983 Pontiac GRAND LEMANS Engine Option

3.8L 6-cylinder Engine Code [A] A

Engine:

3.8L 6-cylinder [A] A [aka 3.8L 6-cylinder]

Body & Trims:

All

Oil Capacity:

5 quarts (with filter)

Oil Viscosity/Type:

SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20, SAE 20W-40, SAE 20W-50 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)

OEM Oil Filter:

N/A

Oil Filter Replaces:

N/A

1983 Pontiac GRAND LEMANS 3.8L 6-cylinder [A] A oil change details

Oil Grade:

API*

Oil Capacity:

5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.

Oil Viscosity/Type:

SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20, SAE 20W-40, SAE 20W-50 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)

Name of Oil Filter:

N/A

Wix Oil Filter:

N/A

Wix Air Filter:

N/A

Coolant Capacity:

13.2 quarts

Oil Drain Plug Torque:

N/A

Notes:

N/A

5.0L 8-cylinder Engine Code [H] H

Engine:

5.0L 8-cylinder [H] H [aka 5.0L 8-cylinder]

Body & Trims:

All

Oil Capacity:

5 quarts (with filter)

Oil Viscosity/Type:

SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20, SAE 20W-40, SAE 20W-50 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)

OEM Oil Filter:

N/A

Oil Filter Replaces:

N/A

1983 Pontiac GRAND LEMANS 5.0L 8-cylinder [H] H oil change details

Oil Grade:

API*

Oil Capacity:

5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.

Oil Viscosity/Type:

SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20, SAE 20W-40, SAE 20W-50 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)

Name of Oil Filter:

N/A

Wix Oil Filter:

N/A

Wix Air Filter:

N/A

Coolant Capacity:

18.5 quarts

Oil Drain Plug Torque:

N/A

Notes:

N/A

5.7L 8-cylinder Engine Code [N] N Diesel

Engine:

5.7L 8-cylinder [N] N Diesel [aka 5.7L 8-cylinder (Diesel)]

Body & Trims:

All

Oil Capacity:

7 quarts (with filter)

Oil Viscosity/Type:

SAE 10W-30 (Below 16°C)
SAE 15W-40 (-18 To 16°C)
30 (Above 0°C)

OEM Oil Filter:

N/A

Oil Filter Replaces:

N/A

1983 Pontiac GRAND LEMANS 5.7L 8-cylinder [N] N Diesel oil change details

Oil Grade:

CF

Oil Capacity:

7 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.

Oil Viscosity/Type:

SAE 10W-30 (Below 16°C)
SAE 15W-40 (-18 To 16°C)
30 (Above 0°C) - This is the preferred choice for continuous, long-distance driving.

Name of Oil Filter:

N/A

Wix Oil Filter:

N/A

Wix Air Filter:

N/A

Coolant Capacity:

17.4 quarts

Oil Drain Plug Torque:

N/A

Notes:

N/A

Pontiac GRAND LEMANS – Engine Oil details by Year