Corpus Christi Auto Repair

Coolant bubbling in the reservoir can make any driver nervous. You open the hood, see movement or bubbles in the tank, and start wondering whether the engine is overheating, the coolant is boiling, or something deeper is wrong inside the engine. Some movement in the reservoir can be normal on certain vehicles as coolant expands and circulates. Constant bubbling, violent bubbling, coolant pushing out, or bubbles that appear with overheating are different. Those signs can point toward trapped air, a weak cap, overheating, poor circulation, or exhaust gases entering the cooling system. What The Coolant Reservoir Does The coolant reservoir provides a place for coolant to expand as the engine warms up. When the engine gets hot, pressure builds in the cooling system, and coolant expands. The reservoir helps manage that expansion and allows coolant to return as the engine cools. A little movement in the tank may happen as temperature changes. That does not always mean som ... read more