2012 Honda RidgelineCoolant Type & Capacity

OEM spec from the factory service manual for the RT variant.

Quick Answer

Coolant Type

HONDA Long-Life Antifreeze/Coolant Type 2

Capacity

1.64 GALS.

6.2 L

Variant

RT

Note: This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. Includes: the coolant in the reserve tank and that remaining in the engine. Reserve tank capacity: 0.16 gal.

This vehicle's factory manual

2012 Honda Ridgeline: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

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Frequently Asked Questions

What type of coolant does a 2012 Honda Ridgeline take?
The 2012 Honda Ridgeline requires HONDA Long-Life Antifreeze/Coolant Type 2. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the RT configuration.
How much coolant does a 2012 Honda Ridgeline hold?
The 2012 Honda Ridgeline cooling system capacity is 1.64 GALS. (6.2 L).
Can I use universal coolant in my 2012 Honda Ridgeline?
It is strongly recommended to use coolant that meets the HONDA Long-Life Antifreeze/Coolant Type 2 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 2012 Honda Ridgeline?
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.