Checking Compressor For Leaks

Information

For illustration purposes, the compressor is shown without the gear support.

Secure the hose adapter -V.A.G. 1687/13-1- at the bottom of the compressor housing.
Secure hose connections with hose clamps.

Fig 1: Securing Hose Adapter
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
-Hose adapter V.A.G. 1687/13-3- must be secured at the top of the compressor housing.
Secure hose connections with hose clamps.

Fig 2: Securing Hose Connections With Hose Clamps
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Secure hose adapter -V.A.G. 1687/13-2 - to the compressor housing with adapter -V.A.G. 1687/10- .
Secure hose connections with hose clamps.

Fig 3: Securing Hose Adapter To Compressor Housing
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Prepare charge air system tester -V.A.G. 1687- as follows:
Unscrew pressure control valve -2- completely and close valves -3- and -4- .

Fig 4: Preparing Charge Air System Tester
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Connect the charge air system tester to compressed air -1- and to the adapter -V.A.G. 1687/10- as shown.

Fig 5: Connecting Tester To Adapter
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
If there is water in the inspection glass, open the drain screw -6- and drain the water.
Open valve -3- .

Fig 6: Opening Valve Using Pressure Gauge
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Use the pressure control valve -2- to set the pressure to 0.5 bar .
Open valve -4- and wait until the test circuit is full. Set the pressure to 0.5 bar again if necessary.

Close valve -3- and check the pressure gauge.

Fig 7: Closing Valve Using Pressure Gauge
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
The pressure must not drop by more than 0.1 bar in 30 seconds .
Check the charge air system for leaks by listening for hissing noise, by touch, using commercially available leak detection spray or using the ultrasonic detector UD 150 WE 1038 .