gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Vacuum Pump, Diesel|Specifications|Page 3083 > < Vacuum Pump, Diesel|Specifications
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Vacuum Pump: Service and Repair

Vacuum Pump Replacement 
Removal Procedure 

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Tools Required 
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J25034-C Power Steering Pump Pulley Remover

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J25033-C Power Steering Pump Pulley Installer

1. Remove the drive belt from the drive pulleys. 

2. Remove the vacuum line from the vacuum pump.

3. Remove the bolt retaining the ground strap and the battery negative cable from the vacuum pump. 

4. Remove the vacuum pump mounting bolts.
5. Remove the vacuum pump from the generator bracket.
6. Remove the vacuum pump pulley:

6.1.

Place the vacuum pump in a vise.

Vacuum Pump, Diesel|Specifications|Page 3083 > < Vacuum Pump, Diesel|Specifications