RADIATOR PURPOSE Transfers heat from engine coolant to the air passing through as the vehicle is in motion. Transfers heat from engine coolant to the.

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Presentation transcript:

RADIATOR

PURPOSE Transfers heat from engine coolant to the air passing through as the vehicle is in motion. Transfers heat from engine coolant to the air passing through as the vehicle is in motion.

CONSTRUCTION Core is made from copper or aluminum. Core is made from copper or aluminum. Core consists of many rows of tubes with thin fins attached. Core consists of many rows of tubes with thin fins attached. Copper core is attached to copper tanks aluminum core is attached to plastic tanks. Copper core is attached to copper tanks aluminum core is attached to plastic tanks. Flanges on each tank allow for attaching the rad hoses. Flanges on each tank allow for attaching the rad hoses. Cross-flow rads have one tank at each side. Cross-flow rads have one tank at each side. Down-flow rads have one tank on top and one at the bottom. Down-flow rads have one tank on top and one at the bottom.

Down flow radiator

Cross flow radiator

LOCATION Usually located at the front of the vehicle. Usually located at the front of the vehicle. Placed behind a grille for protection, styling and maximum airflow. Placed behind a grille for protection, styling and maximum airflow.

PROBLEMS The most common problem associated with radiators is leaking. The most common problem associated with radiators is leaking. Leaks must be properly repaired quickly as engine damage can occur with over heating. Leaks must be properly repaired quickly as engine damage can occur with over heating. Leaks can be caused by age, corrosion, road debris damage and/or collision. Leaks can be caused by age, corrosion, road debris damage and/or collision. Some neglected vehicles may suffer from clogging. Some neglected vehicles may suffer from clogging.

DIAGNOSIS Visual inspection will reveal wetness or stains from leaks. Visual inspection will reveal wetness or stains from leaks. Careful inspection also shows obvious corrosion and deterioration of the core. Careful inspection also shows obvious corrosion and deterioration of the core. Pressurizing the cooling system with a pressure tester will cause a small leak to be visible. Pressurizing the cooling system with a pressure tester will cause a small leak to be visible.

APPROXIMATE COST OF REPAIR Depending on vehicle design, radiators cost between $150 to over $1000. Labour of 2-5 hours to replace rad, refill system and ensure proper operation. Depending on vehicle design, radiators cost between $150 to over $1000. Labour of 2-5 hours to replace rad, refill system and ensure proper operation. Good time to replace the engine coolant. Good time to replace the engine coolant.