The refrigerant used in the system is R-22. It is a clear, colorless, non-toxic, non-irritating, and non-explosive liquid. The chemical formula is CHCLF . The…

The coolant is a vital part of the cooling system and it needs to be inspected and tested during routine maintenance procedures and inspections. The…

The water pump is an important part of the engine cooling system that requires service if it develops a leak or if the bearing fails.…

The radiator is the device that releases the heat from the hot coolant to the surrounding air. The radiator requires replacement when the materials get…

Replacing the heater core may become necessary if it is leaking or if it is badly restricted beyond the chance of being able to flush…

A heater core that has become restricted will cause poor heater performance. This condition is diagnosed by testing the temperature drop on the heater hoses…

The engine thermostat is a component that requires replacement as part of routine maintenance procedures. Follow the steps below when replacing the thermostat. Replacing the…

The cooling system hoses and clamps perform an important function for the vehicle and require maintenance and service from time to time. The correct replacement…

At this point, repairs can be made on the vehicle cooling system. Once it is time to install coolant back into the vehicle, the following…

Follow these steps when it is necessary to drain the coolant from a vehicle for any reason. 1. Place a drain pan under the radiator…