Vacuum Pump, Check (Vacuum Pump Disassembled)
Measure
Check vacuum pump vane. Nominal value 13.0 - 13.5 mm/0.51 - 0.53 in.
Check inner diameter of pump housing. Nominal value 57.0 - 57.1 mm/2.24 - 2.25 in.
Inspect
Check that vacuum pump valve functions correctly using screwdriver.
Replace vacuum pump O-rings.