What are the causes of P00B7 insufficient coolant flow?
1 Answers
Possible reasons include not performing the temperature control actuator-N493- adaptation after replacing the water pump, air in the radiator coolant system, dirt and excessive impurities in the engine cooling system, incorrect use of sealant during water pump installation, and not using high-quality antifreeze with a low freezing point. The following are details about coolant: 1. Detail one: Coolant consists of water, antifreeze, and additives. Depending on the antifreeze component, it can be categorized into alcohol-based, glycerol-based, ethylene glycol-based, and other types of coolant. 2. Detail two: The full name of coolant should be antifreeze coolant, meaning it has antifreeze functionality. Antifreeze prevents the coolant from freezing and cracking the radiator or damaging the engine cylinder block during cold seasons. Alcohol-based coolant uses ethanol as the antifreeze agent, which is inexpensive, has good fluidity, and is simple to prepare. However, due to its low boiling point and tendency to evaporate, it is gradually being phased out.