Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
11.1. Apply a quick burst of pressure using the filling unit and blow the residual fuel through the connection piece into a cloth.
12. Screw high-pressure line correctly to the high-pressure pump.
CAUTION:
Test pressure is exceeded
-
Risk of damage to high-pressure pump
-
The test gas test pressure must be set to less than - Pressure: 10 bar on the pressure reducer on the test gas bottle.
13. Use air-spring strut filling device VAS 6231 WE 1282 to apply test gas pressure of between 7 and just under 10 bar to the fitted high-pressure
pump -2-. The pressure is distributed slowly in the system and can increase slightly on the pressure gauge. If there is a constant drop in pressure,
there is leak in the system.
14. Spray all connection points for the high-pressure pump with commercially available leak-locating spray. If the pressure drops even though the
threaded joints are perfectly sealed, also spray other connection points as well as the high-pressure pump and test equipment with leak-locating
spray.