GM Service Manual Online
For 1990-2009 cars only
Makes
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GMC_Truck
🢒
1999
🢒
GMC K Sierra - 4WD
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HVAC
🢒 HVAC Systems - Manual
HVAC
All Component Locator
HVAC Component Views
HVAC Components
All Description and Operation
Accumulator Description
Air Conditioning (A/C) System Description
Air Distribution System Description
Compressor Description
Condenser Description
Control Assembly Description
Evaporator Description
Expansion (Orifice) Tube Description
Handling Air Conditioning (A/C) Compressor
Handling Air Conditioning Compressor Oil
Handling of Refrigerant Lines and Fittings
Handling Refrigerant R-134a
HVAC Air Delivery/Temperature Control Circuit Description
HVAC Blower Controls Circuit Description
Maintaining Chemical Stability
O-Ring/Flat Washer Description
Passenger Compartment Air Filter Description
Refrigerant R-134a
Refrigeration System Description
All Special Tools and Equipment
Special Tools
All Visual Identification
HVAC Connector End Views
Cleaning, Inspection, and Adjustment
Compressor Leak Testing
Diagnostic Procedures
Air Inlet Valve Actuator Inoperative
Blower Motor High Speed Inoperative
Blower Motor Inoperative at Any Speed
Blower Motor Low and Medium Speeds Inoperative
Defrosting Insufficient
HVAC Air Delivery System Check
HVAC Blower Controls System Check
HVAC Compressor Clutch Does Not Disengage
HVAC Compressor Clutch Does Not Engage
HVAC Compressor Controls System Check
Mode Actuator Inoperative
Noise Diagnosis
Temperature Actuator Inoperative
Disassembly, Overhaul, Repair, and Assembly
Air Conditioning Clutch Coil Installation
Air Conditioning Clutch Coil Removal
Clutch Rotor and Bearing Removal
Clutch Rotor and/or Bearing Install
Compressor Clutch Plate and Hub Assembly Removal
Compressor Clutch Plate/Hub Assembly Install
Compressor Control Switches Install
Compressor Control Switches Removal
Compressor Pressure Relief Valve Installation
Compressor Pressure Relief Valve Removal
Compressor Shaft Seal Install
Compressor Shaft Seal Removal
Electrical/Electronic Schematic Diagrams
HVAC Air Delivery/Temperature Control Schematics
HVAC Blower Control Schematics
HVAC Compressor Control Schematics
HVAC Schematic Icons
HVAC Schematic References
General Diagnostic Information
CCOT Air Conditioning (A/C) System Diagnosis
Functional Check
HVAC Compressor Clutch Circuit Diagnosis
Leak Testing
System Performance Test
Mechanical Specifications
Compressor Specifications
Fastener Tightening Specifications
Other Specifications
GM SPO Group Numbers
Refrigerant Oil Distribution Specifications
System Capacities
Removal, Installation, and Replacement
Air Conditioning Accumulator Replacement
Air Conditioning Compressor Bracket Replacement
Air Conditioning Compressor Hose Replacement
Air Conditioning Compressor Oil Level Check
Air Conditioning Compressor Replacement
Air Conditioning Condenser Replacement
Air Conditioning Evaporator Core Replacement
Air Distributor Duct Replacement
Air Inlet Actuator Replacement
Air Inlet Valve Replacement
Automatic Recirculation Switch Replacement
Blower Motor and Fan Replacement
Blower Motor Resistor Replacement
Compressor Sealing Washers Replacement
Control Assembly Replacement
Evaporator Tube Replacement
Expansion (Orifice) Tube Replacement
Extended Console Air Outlet Duct Replacement
Floor Air Outlet Replacement
Heater Core Replacement
Heater Hoses Replacement
Instrument Panel Air Outlet Replacement
Mode Valve Actuator Replacement
Odor Correction
Passenger Compartment Air Filter Replacement
Pressure Cycling Switch Replacement
Rear Floor Air Outlet Replacement
Refrigerant Recovery and Recharging
Side Window Air Outlet Replacement
Temperature Actuator Replacement