A8L Quattro Sedan V8-4.2L (BVJ) (2007)
-
Start the engine without pressing the accelerator pedal.
-
Turn the steering wheel from lock to lock about 10 times.
-
Switch off engine and, if needed, top off the hydraulic fluid in the reservoir.
‹› To avoid damage to the pump, note the following:
‹› The pressure gauge lever must not remained closed longer than 10 seconds during this test.
‹› Start the engine without pressing the accelerator pedal and run at idle.
‹› Read the pump pressure immediately after starting at idle speed (have it read by second technician, if necessary).
‹› Because the pressure falls over the course of the test, the highest pressure shown is the decisive measurement
-
Check the delivery pressure.
-
Start the engine and when at idle speed, close the lever - 1 - and read the pressure (do not measure longer than 10 seconds).