Tube-to-Header Leaks - Failure of the radiator solder joint on this radiator's header and tubes, results in coolant loss.

Steam Erosion - Steam can break down the plastic tank which will produce thinning and ultimately holes in the plastic tank. Frequently, white deposits

Soldier Bloom - Solder corrosion caused by degradation of rust and leak inhibitors in antifreeze. Tube-to-header joints are weakened, and corrosion can restrict coolant flow.

Over Pressurization - Excessive pressure in the radiator caused by defective pressure cap or engine-exhaust leak can destroy the radiator.

Loose Side Piece - Can lead to flexing of the core and radiator-tube failure.

Leaky Tank-to-Header Seam - Failure of the solder joint results in coolant loss.

Leaky Oil Cooler - Coolant shows traces of oil. Transmission or engine damage can result from the mixing of coolant with transmission fluid or engine

Internal Deposits - Rust and leak inhibitors can form solids that collect in the radiator cooling system and restrict flow.

Fin Deterioration - A chemical deterioration of the radiator fins most often caused by road salt or sea water.

Fin Bond Failure - A loss of solder bond between fins and tubes. Fins are loose in core causing loss of heat transfer and reducing radiator strength.

Fan Damage - A minor collision or a failed water pump can result in radiator damage.

Electrolysis - (External) Stray electrical current can cause an electrochemical reaction that will produce voids in radiator tubes.

Electrolysis - (Internal) Stray electrical current can cause excessive corrosion of metal components.

Cracked Plastic Tanks - High stress in the radiator can cause premature plastic-tank failure.

Blown Tank-to-Header Seam - An indication that the radiator has been subjected to extreme pressures resulting from exhaust leaking into the cooling system.

Leaky Inlet/Outlet Fitting - Leaks in the radiator inlet/outlet area can be caused by fatigue or solder-joint corrosion.