1981 Chevrolet Passenger Car and Light Truck Unit Repair Manual

Year
1981
Make
Chevrolet
Vehicle
Camaro, Chevelle and Malibu, Impala and Caprice, Light Duty Trucks, Monte Carlo, Passenger Cars, Trucks
Type
Overhaul & Unit Repair
Models
Impala, Caprice, Malibu, Monte Carlo, Camaro, Light Duty Trucks Series 10-30
Publication
ST-333-81
Pages
550

The 1981 Chevrolet Unit Repair (Overhaul) Manual covers disassembly and assembly of major components for the 1981 Impala, Caprice, Malibu, Monte Carlo and Camaro and for Series 10–30 light duty trucks. Diagnosis, maintenance, adjustments and removal and installation of these units are in the 1981 Passenger Car and Light Duty Truck Service Manuals. The book is organized by GM section number: air-conditioning compressors, steering gears and pumps, rear and front differentials, power brake units, automatic transmissions (200, 350C, 250C, 200-4R and 400), manual transmissions, clutches, transfer cases, and metric and fastener information. Each section opens with its own contents and closes with specifications and special tools where needed.

Section 1D · Pages 7–50 (44 pages)

Air Conditioning Compressor Overhaul

Overhaul of the A-6 and R-4 compressors used with C.C.O.T. air-conditioning systems. A-6 minor repairs cover the clutch plate and hub, pulley and bearing and clutch coil and housing; major repairs cover the shaft seal and seal leak detection, pressure relief valve and internal mechanism. R-4 procedures cover the clutch, shell and O-rings, discharge valve plates and cylinder and shaft, followed by leak testing of both compressors and a special tools list.

What this section covers

  • A-6 clutch plate, hub, pulley and coil
  • A-6 shaft seal and relief valve
  • A-6 internal mechanism
  • R-4 shell, O-rings and valve plates
  • R-4 cylinder and shaft
  • Compressor leak testing
  • Special tools
Read from page 7
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