GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
Yukon - 2WD
🢒
Engine
🢒 Engine Controls - 7.4L
Engine
All Description and Operation
Air Intake System Description
Crankcase Ventilation System Description
Engine Cooling Fan Description - Electric
Enhanced Ignition System Description
Evaporative Emission Control System Operation Description
Exhaust Gas Recirculation (EGR) System Description
Information Sensors/Switches Description
Knock Sensor (KS) System Description
Long Term Fuel Trim Description
Secondary Air Injection System Description
Serial Data Communications
Short Term Fuel Trim Description
Speed Density System Description
Vehicle Control Module Description
All Special Tools and Equipment
Special Tools
Diagnostic Procedures
Service Bay Test
Electrical/Electronic Specifications
Temperature Versus Resistance
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Diagnostic Trouble Code (DTC) List
Engine Scan Tool Data Definitions
Fuel System Specifications
GM SPO Group Numbers
Removal, Installation, and Replacement
Fuel Level Sensor Replacement
Fuel Pressure Relief
Fuel Pressure Service Valve Replacement
Fuel Pump Relay Replacement
Fuel Sender and Balance Pump Control Module Replacement
Fuel Tank Draining
Fuel Tank Replacement
Metal Collar Quick Connect Fitting Service
Plastic Collar Quick Connect Fitting Service