Mike's Workshop Manuals: Service manuals for every vehicle
Home >> GMC >> 1983 >> Forward Control 6.2 J, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> A/C System General Servicing >> A/C System Service Specifications - Truck Models

A/C System Service Specifications - Truck Models

A/C SYSTEM REFRIGERANT CAPACITIES - TRUCKS

Application Ounces
Blazer, Jimmy & Pickups 48
"S/T" Blazer/Jimmy & "S/T" Pickup 40
Suburban
Front System Only 48
Front & Rear System 84
Vans
Front System Only 48
Front & Rear System 72
COMPRESSOR BELT TENSION (Lbs.) - TRUCK MODELS (1)

Application New Belt Used Belt
"S/T" Blazer/Jimmy & "S/T" Pickups
4-Cyl.
1.9L 157 90
2.0 169 90
2.2L Diesel 135 79
2.8L V6 146 67
All Other Truck & Van Models
V8 Diesel 175 55-100
All Others 145 65-100
(1) Using standard strand tension gauge.
COMPONENT OIL REPLACEMENT QUANTITIES - TRUCK

Component Ounces
Accumulator (1)
Condenser 1
Evaporator 3
Receiver-Drier 1
(1) On General Motors systems with DA-6 compressor, add 3 ounces; on all other General Motors systems, add 2 ounces.
COOLING SYSTEM CAPACITIES - TRUCKS

Application Quarts (Liters)
"S/T" Blazer/Jimmy & "S/T" Pickup
4-Cyl.
1.9L 9.5 (9.0)
2.0L 9.7 (9.2)
2.2L Diesel 12.0 (11.3)
2.8L V6 12.1 (11.5)
Blazer, Jimmy & Suburban
5.0 & 5.7L V8 18.0 (17.0)
6.2L V8 Diesel 24.5 (23.0)
7.4L V8 24.5 (23.0)
"C/K" Pickup
6-Cyl. (VIN T) 16.0 (15.1)
6-Cyl. (VIN D) 15.5 (14.7)
5.0 & 5.7L V8 18.0 (17.0)
6.2L V8 Diesel 24.5 (23.0)
7.4L V8 24.5 (23.0)
Van
6-Cyl. 14.5 (13.5)
5.0 & 5.7L V8 17.0 (16.0)
6.2L V8 Diesel
Standard 24.5 (23.0)
With Aux. Htr. 27.3 (25.7)
Forward Control Models
6-Cyl. School Bus 13.8 (13.1)
5.7L V8 School Bus 15.5 (14.6)
6.2L V8 Diesel
School Bus 25.0 (23.5)
Motor Home 28.0 (26.4)
7.4L V8 Motor Home 22.5 (22.2)