GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2003
🢒
TopKick C-Series (Conventional) C4/C5
🢒
Driveline/Axle
🢒 Rear Axle Controls
Driveline/Axle
Diagnostic Procedures
Air Leakage Test
Differential Lock Control Valve Diagnosis
Differential Lock Pressure Protection Valve Diagnosis
Differential Lock Relay Valve Diagnosis
Driver Controlled Differential Lock Shift Cylinder Diagnosis
Two Speed Rear Axle Air Shift Control Valve Diagnosis
Two Speed Rear Axle Pressure Protection Valve Diagnosis
Two Speed Rear Axle Shift Motor Diagnosis
Two Speed Rear Axle Shift Quick Release Valve Diagnosis
Mechanical Specifications
Fastener Tightening Specifications
Removal, Installation, and Replacement
Differential Lock Control Valve Replacement
Differential Lock Pressure Protection Valve Replacement
Differential Lock Relay Valve Replacement
Differential Lock Shift Cylinder Replacement
Differential Lock Switch Replacement
Inter-Axle Differential Lock Control Valve Replacement
Inter-Axle Differential Lock Switch Replacement
Two Speed Rear Axle Air Shift Control Valve Replacement
Two Speed Rear Axle Pressure Protection Valve Replacement
Two Speed Rear Axle Shift Control Switch Replacement
Two Speed Rear Axle Shift Motor Relay Replacement
Two Speed Rear Axle Shift Motor Replacement
Two Speed Rear Axle Shift Quick Release Valve Replacement