Engine Temp. Control System

Vocabulary flashcards covering maintenance procedures, component leaks, and repair sealers for engine temperature control systems.

Radiator clean & flush

A maintenance procedure used to treat rust and scale deposits, or performed when adding new antifreeze.

Radiator stop leak

A treatment used to fix small leaks in components such as the radiator, gaskets, heater cores, and freeze plugs.

Block seal / head gasket sealer

A treatment used for major leaks in radiators, gaskets, heater cores, freeze plugs, cracked engine blocks, cylinder heads, and blown head gaskets if stop leak does not work.

Symptoms requiring Radiator clean & flush

The presence of rust and scale deposits, or the process of adding antifreeze.

Symptoms requiring Radiator stop leak

Small leaks occurring in the radiator, gaskets, heater cores, or freeze plug.

Symptoms requiring Block seal

Major leaks—particularly those involving cracked engine blocks, cylinder heads, or blown head gaskets—where stop leak fails to work.