Air Pump
- Check air pump for abnormal noise and replace as required. Disconnect hose at air pump outlet. Attach Air Pump Tester (09258-14010), with a .217" (5.51 mm) orifice, to hose. See Fig 1.
- Start engine and increase engine speed to 1200 RPM. Tester gauge should read in Green area. If reading is in Red area, replace air pump assembly.