Test Specifications

1971 Chevrolet Chevelle Base, 2D Convertible, 5.0L Eng, Eng CD CCC, Not Available TransSECTION Test Specifications
(Refrigerant Charge = 3 Lbs. - 12 Oz.)
Temperature of Air Entering Condenser 70° 80° 90° 100° 110° 120°
Engine rpm 2000
Compressor Head Pressure 120-130 135-145 160-170 190-200 220-230 250-260
Evaporator Pressure @ POA 29.5 - 30.5 psi (1)
Discharge Air Temp. @ Right Hand Outlet 34-39 35-40 36-41 38-43 39-44 41-46
(1) This specification does not change with altitude; however, at elevations above sea level, gauges will tend to read higher by 1/2 psi per 1, 000 ft. (from 29.5 psi at sea level to 34.5 psi at 10, 000 ft.).
Fig 1: Chevrolet Amplifier Wiring Diagram (Schematic)
G09311422Courtesy of GENERAL MOTORS COMPANY
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.