Coolant System, Checking For Leaks Procedure: Notes

Special Tools And Workshop Equipment Required

Fig 1: Identifying Coolant Reservoir Cap

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

WARNING:

The coolant system is under pressure when the engine is warm.

Risk of scalding due to hot steam and hot coolant.

Reduce pressure by covering the coolant reservoir cap with a cloth and carefully opening.

-- Open the coolant reservoir cap -arrow-.

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

Fig 2: Cooling System Tester V.A.G 1274 Connected To Coolant Reservoir

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Generate approximately 1 bar (14.5 psi) pressure using the cooling system tester hand pump.

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