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83 Climate Control System

General, Technical Data

• 00-005 - Instructions for Use of Service Manual
• 00-010 - Model and System identification
• 00-015 - Vehicle identification number locations  

Section I - Heating and Ventilation

• 83-020 - Control of heating system
• 83-100.1 - Removal and installation of heater box
• 83-100.2 - Removal and installation of heater box (cont'd)
• 83-114 - Checking vacuum element on heater tap and vacuum switches on control unit for leaks
• 83-115 - Removal and installation of heater valve
• 83-116 - Adjustment of air mixing flaps
• 83-120 - Removal and installation of heater blower
• 83-140 - Removal and installation of ornamental grille on air inlet
• 83-150 - Removal and installation of shutter center on instrument panel  

Section I - Air Conditioning System I

• 83-500 - General description and operation of air conditioning system
• 83-502 - Refrigerant circuit
• 83-504 - Safety measures
• 83-506 - Repair instructions for air conditioning system
• 83-508 - Control of air conditioning system
• 83-510 - Function test of air conditioning system
• 83-512 - Leak test and evacuation
• 83-514 - Refilling or replenishing air conditioning system
• 83-516 - Draining of air conditioning system
• 83-518 - Cleaning of air conditioning system
• 83-520 - Checking oil level in refrigerant compressor
• 83-522 - Removal and installation of refrigerant compressor
• 83-524 - Reconditioning of refrigerant compressor
• 83-525 - Checking Delco-refrigerant compressor for outside leaks
• 83-526 - Removal and installation of electromagnetic switch
• 83-528 - Removal and installation of condenser
• 83-530 - Removal and installation of receiver dehydrator
• 83-531 - Checking, removing and installing pressure switch in receiver dehydrator
• 83-532 - Checking, removing and installing temperature switch in receiver dehydrator
• 83-534 - Removal and installation of expansion valve
• 83-538 - Removal and installation of evaporator
• 83-542 - Adjustment, removal and installation of temperature vacuum switch
• 83-544 - Removal and installation of vacuum element for recirculating air flap
• 83-545 - Functional diagram central locking system and air conditioning system
• 83-546 - Removal and installation of auxiliary fan

Section II - Automatic Climate Control System II

• 83-600 - Operation of automatic climate control system and tester
• 83-601 - Quick test without tester and remedies
• 83-602 - Preparation for test, connection of tester
• 83-603 - Function test of total system and remedies (with tester)
• 83-604 - Vacuum function diagrams
• 83-605 - Electric wiring diagrams
• 83-606 - Amplifier and park test
• 83-607 - Output test
• 83-608 - Testing quality of control
• 83-609 - Testing ambient, in-car temperature sensor and potentiometer (temperature dial) without tester
• 83-610 - Testing feed back potentiometer in regulating valve
• 83-611 - Balancing of sensor chain
• 83-612 - Testing temperature switch in regulating valve
• 83-613 - Testing vacuum lines for leaks
• 83-614 - Preparations for vacuum test
• 83-615 - Testing check valve, vacuum reservoir, temperature switch and vent lines of regulating valve
• 83-620 - Testing vacuum circuit I and II
• 83-621 - Testing pushbutton switch
• 83-622 - Testing vacuum circuit III and IV
• 83-624 - Testing vacuum circuit V and VI
• 83-626 - Testing vacuum circuit VII and VIII with vacuum element (44)
• 83-628 - Testing vacuum switch for refrigerant compressor or vacuum switch (main switch) and switchover valves
• 83-630 - Removal and installation of heating water pump
• 83-631 - Reconditioning of heating water pump
• 83-632 - Removal and installation of regulating valve and temperature switch
• 83-635 - Removal, installation and disassembly of control unit
• 83-640 - Removal and installation of in-car temperature sensor
• 83-645 - Removal and installation of ambient temperature sensor
• 83-650 - Removal and installation of ETR switch
• 83-655 - Removal and installation of vacuum switch for refrigerant compressor (at "BI-LEVEL" only)
• 83-660 - Removal and installation of switchover valves
• 83-665 - Removal and installation of vacuum elements
• 83-670 - Removal and installation of vacuum switch for refrigerant compressor or vacuum switch (main switch)
• 83-675 - Removal and installation of amplifier
• 83-680 - Removal and installation of double contact relay
• 83-690 - Removal and installation temperature switch for heating water pump
• 83-700 - Removal and installation of blower pre-resistors
• 83-710 - Removal and installation of vacuum lines  

• See Group 24 for schematics

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