K 2500 Truck 4WD V8-379 6.2L DSL VIN J FI (1992)
Vacuum Pump: Service and Repair
Remove or Disconnect:
1. Negative battery cable
2. Drive belt
Vacuum Pump With Air Conditioning
With Air Conditioning
3. Electrical connector at the A/C compressor
^
Loosen the through bolt under the compressor holding it to the bracket but do not remove it.
4. Remove bolts holding the compressor to the bracket without removing the A/C lines.
5. Rotate the compressor to the outside.
6. Remove vacuum hose.
7. Three bolts from the back of the bracket retaining the vacuum pump.
8. Vacuum pump from the bracket.
Vacuum Pump Without Air Conditioning
Without Air Conditioning