chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Relays and Modules - Brakes and Traction Control > < Vacuum Pump, Brakes|Description and Operation|Page 6846
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Vacuum Pump: Service and Repair

REMOVAL

1. Disconnect battery ground cable.
2. Disconnect vacuum hose.
3. Loosen and remove vacuum pump belt.
4. Remove vacuum pump pulley to hub attaching bolts.
5. Remove pump and bracket from engine.
6. Remove bracket from pump.

NOTICE: Hub must be pressed off vacuum pump and used on replacement unit. Use pump pulley remover No. J 25034-B.

   

INSTALLATION

1. Install bracket on pump.
2. Install pump and bracket on engine.
3. Install vacuum pump pulley and attaching bolts to hub.
4. Install vacuum pump belt and adjust belt to correct tension.
5. Connect vacuum hose to pump.
6. Connect battery ground cable.

Relays and Modules - Brakes and Traction Control > < Vacuum Pump, Brakes|Description and Operation|Page 6846