GMC Terrain: Cooling System / Engine Coolant
GMC Terrain 2018-2026 Owners Manual / Vehicle Care / Vehicle Checks / Cooling System / Engine Coolant
The engine cooling system in the vehicle is filled with DEX-COOL engine coolant mixture. This coolant needs to be checked and changed at appropriate levels. See Recommended Fluids and Lubricants and Maintenance Schedule.
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.
Cooling System
1.5L Gas Engine
Engine Cooling Fan (Out
of View)
Engine Coolant Surge Tank
and Pressure Cap
1.6L Diesel Engine
Engine Cooling Fan (Out
of View)
Engine Coolant Surge Tank
and Pressure Cap
2...
What to Use
Warning
Plain water, or other liquids such
as alcohol, can boil before the
proper coolant mixture will. With
plain water or the wrong mixture,
the engine could get too hot but there would not be an overheat
warning...
Other information:
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