GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1998
🢒
GMC P42 Commercial Chassis
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Engine
🢒 Vacuum Pump
Engine
All Description and Operation
General Description
All Special Tools and Equipment
Special Tools
Diagnostic Procedures
Vacuum Pump Diagnosis
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
GM SPO Group Numbers
Vacuum Specifications
Removal, Installation, and Replacement
Vacuum Pump Replacement