Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
GMC
>>
1999
>>
Forward Control 7.4 B
>>
Repair and Diagnosis
>>
Heating, Ventilation & A/C (HVAC)
>>
HVAC Control Systems
>>
HVAC System
HVAC System
Expand All (for easy ctrl-f)
Collapse All
Specifications
Description
Operation
A/C-Heater Control Panel
Temperature Control Lever
Mode Selector Lever
Fan Blower Switch
Auxiliary Engine Coolant Fan A/C Pressure Switch
P32 Series & P42 Diesel
A/C Compressor High Pressure Cut-Off Switch
A/C Compressor Refrigerant Pressure Switch
Trouble Shooting
A/C Compressor Clutch Does Not Engage
P32 & P42 Gasoline Engines
Diagnostic Aids
P32 & P42 Diesel Engines (With Electronic Fuel Injection)
P42 Diesel Engines (With Mechanical Fuel Injection)
A/C Compressor Clutch Will Not Disengage
P32 & P42 Gasoline Engines
P32 & P42 Diesel Engines (With Electronic Fuel Injection)
P42 Diesel Engines (With Mechanical fuel Injection)
Testing
A/C System Performance
Removal & Installation
Accumulator
Removal & Installation
Compressor
Removal & Installation
A/C Condenser
Removal & Installation
Torque Specifications
Wiring Diagrams