Ridgeline V6-3.5L (2006)
Coolant: Capacity Specifications
ENGINE COOLANT CAPACITY
After Coolant Change *1 .............................................................................................................................................................. 6.2 liters (1.64 US gal)
After Engine Overhaul .................................................................................................................................................................. 8.1 liters (2.14 US gal)
*1 = Including the coolant in the reserve tank and that remaining in the engine. Reserve Tank capacity = 0.6 L (0.16 US gal)