Cooling System, Checking For Leaks: Procedure

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

CAUTION:

The cooling system is under pressure when the engine is warm. Risk of scalding due to hot steam and hot coolant.

Scalding the skin and other parts of the body is possible.

Reduce the pressure by covering the coolant expansion tank cap with a cloth and carefully opening it.

-- Remove the coolant expansion tank cap -arrow-.

-- Position the :VAG1274B with the :VAG1274/8 on the coolant expansion tank.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Generate approximately 1 bar pressure using the cooling system tester hand pump.

-- If the pressure falls, search for leaks and correct the malfunction.