geo Workshop Repair Guides

Geo Workshop Service and Repair Manuals

Vacuum Pump, Cruise Control|Service and Repair > < Vacuum Circuit|Page 3706
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Vacuum Pump: Testing and Inspection
Vacuum Pump

1.

Connect a hand held vacuum pump, J23738-A, or equivalent, to actuator side of vacuum pump.

2.

Connect positive battery terminal to terminal 1 of vacuum pump.

3.

Connect negative battery lead to terminal 2.

4.

Ensure vacuum of 7.87 inches Hg or above.

5.

If results are not as indicated, replace vacuum pump.

Vacuum Pump, Cruise Control|Service and Repair > < Vacuum Circuit|Page 3706