Why does the Jetta have a high water temperature?

1 Answers
CharlesAnn
07/29/25 3:20pm
The reasons for the Jetta's high water temperature are: 1. Insufficient coolant: Coolant leakage or insufficient coolant can cause the engine water temperature to rise. 2. Inadequate heat dissipation: When the vehicle is running at high speeds, the generated heat cannot be transferred to the antifreeze in time, affecting heat dissipation. 3. Component detachment: A cracked impeller or an impeller loosening from the pump shaft can slow down the coolant circulation speed. 4. Poor radiator performance: Long-term use of water as a medium can cause rust in the engine and radiator, leading to poor radiator performance. Measures to take: When the car's water temperature is too high, avoid shutting off the engine immediately. Keep the engine idling for a while, turn on the air conditioning heater to assist in heat dissipation, and open the engine hood to help dissipate heat. Wait until the coolant temperature drops to a normal level before shutting off the engine.
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