Engine Coolant (3.9L Engine) :: Checking Things Under the Hood :: Service and Appearance Care :: Buick Lucerne Owners Manual :: Buick Lucerne

Engine Coolant (3.9L Engine)

Buick Lucerne / Buick Lucerne Owners Manual / Service and Appearance Care / Checking Things Under the Hood / Engine Coolant (3.9L Engine)

The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for five years or 150,000 miles (240 000 km), whichever occurs first.

The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating.

What to Use
Checking Coolant
How to Add Coolant to the Recovery Tank
How to Add Coolant to the Radiator

Engine Coolant (3.9L Engine)

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