1985 Jeep CJ-7 Oil Capacity, Types, & Filters

Your essential guide to 1985 Jeep CJ-7 oil change is here! No more searching – find all the critical oil specs for your 1985 Jeep CJ-7, 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 1985 Jeep CJ-7 oil change!

Scroll Table ➜

Engine & Code	Oil Capacity	Oil Viscosity/Type	Oil Filter
2.5L 4-cylinder [U] U	4 quarts (with filter) AMC.	SAE 10W-30, SAE 10W-40 (Above -18°C) SAE 20W-40, SAE 20W-50 (Above -1°C) SAE 5W-30 (Below 16°C)	N/A
4.2L 6-cylinder [C] C	6 quarts (with filter)	SAE 10W-30, SAE 10W-40 (Above -18°C) SAE 20W-40, SAE 20W-50 (Above -1°C) SAE 5W-30 (Below 16°C)	N/A

Select Your 1985 Jeep CJ-7 Engine Option

2.5L 4-cylinder Engine Code [U] U

Engine:

2.5L 4-cylinder [U] U [aka 2.5L 4-cylinder]

Body & Trims:

All

Oil Capacity:

4 quarts (with filter) AMC.

Oil Viscosity/Type:

SAE 10W-30, SAE 10W-40 (Above -18°C)
SAE 20W-40, SAE 20W-50 (Above -1°C)
SAE 5W-30 (Below 16°C)

OEM Oil Filter:

N/A

Oil Filter Replaces:

N/A

1985 Jeep CJ-7 2.5L 4-cylinder [U] U oil change details

Oil Grade:

Oil Capacity:

4 quarts. (with filter). For American Motors Corporation (AMC) engines, this is the capacity with the filter. Always check the oil level after refilling.