Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1986 Isuzu I-markCoolant Type & Capacity
OEM spec from the factory service manual for the Base, 2D Hatchback, Automatic variant.
Quick Answer
Coolant Type
50/50 mixture of good quality ethylene-glycol antifreeze & water.
Capacity
6.80 QTS.
6.43 L
Variant
Base, 2D Hatchback, Automatic
This vehicle's factory manual
1986 Isuzu I-mark: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Other specs:All specs
What You'll Need
Related for Your 1986 Isuzu I-mark
Frequently Asked Questions
- What type of coolant does a 1986 Isuzu I-mark take?
- The 1986 Isuzu I-mark requires 50/50 mixture of good quality ethylene-glycol antifreeze & water.. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Base, 2D Hatchback, Automatic configuration.
- How much coolant does a 1986 Isuzu I-mark hold?
- The 1986 Isuzu I-mark cooling system capacity is 6.80 QTS. (6.43 L).
- Can I use universal coolant in my 1986 Isuzu I-mark?
- It is strongly recommended to use coolant that meets the 50/50 mixture of good quality ethylene-glycol antifreeze & water. specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
- What happens if I use the wrong coolant in my 1986 Isuzu I-mark?
- Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.