Engine Coolant :: Vehicle Checks :: Vehicle Care :: GMC Sierra Owners Manuals :: GMC Sierra

Engine Coolant

GMC Sierra / GMC Sierra Owners Manuals / Vehicle Care / Vehicle Checks / Engine Coolant

The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), 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 on page 10‑23.

What to Use
Checking Coolant
How to Add Coolant to the Coolant Surge Tank for Gasoline Engines

Engine Coolant

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