Cooling System, Checking For Coolant Leaks: Procedure

WARNING: This page is about a different car, the 2015 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

Engine at operating temperature.

WARNING:

Risk of scalding due to hot steam and hot coolant.

The coolant system is under pressure when the engine is warm.
Reduce pressure by covering coolant reservoir cap with a cloth and carefully opening.

-- Remove the cap -1- from the coolant reservoir -2- in direction of -arrow-.

Fig 1: Identifying Coolant Reservoir

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-- Position the Cooling System Tester VAG 1274B with the adapter VAG 1274/8 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 pressure falls, search for leaks and correct problem.