GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1998
🢒
GMC C-Series Medium Duty Truck B7
🢒
Brakes
🢒 Air Antilock Brake System
Brakes
All Component Locator
Air Antilock Brake System Component Views
Air Antilock Brakes System Components
All Description and Operation
Abbreviations and Definitions
Air ABS Description
Air ABS Operation
Basic Knowledge Required
General System Description
Service Precautions
All Special Tools and Equipment
Special Tools
All Visual Identification
Air Antilock Brake System Connector End Views
Diagnostic Procedures
Status Lamps Illuminated - LFT, FRT, and MOD
Status Lamps Illuminated - LFT, FRT, and SEN
Status Lamps Illuminated - LFT, RER, and MOD
Status Lamps Illuminated - LFT, RER, and SEN
Status Lamps Illuminated - RHT, FRT, and MOD
Status Lamps Illuminated - RHT, FRT, and SEN
Status Lamps Illuminated - RHT, RER, and MOD
Status Lamps Illuminated - RHT, RER, and SEN
Electrical/Electronic Schematic Diagrams
Air Antilock Brake System Schematic Icons
Air Antilock Brake System Schematics
Air Antilock Brakes System Schematic References
General Diagnostic Information
Air ABS Diagnostic System Check
Intermittents and Poor Connections
Self-Diagnostics
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
GM SPO Group Numbers
Removal, Installation, and Replacement
Electronic Brake Control Module Replacement
Front Brake Pressure Modulator Valve Replacement
Front Wheel Speed Sensor Replacement
Rear Brake Pressure Modulator Valve Replacement
Rear Wheel Speed Sensor Replacement