Mike's Workshop Manuals
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1971
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Chevelle Base, Not Available, 5.7L Eng, Not Available Trans
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Heating, Ventilation & A/C (HVAC)
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HVAC Control Systems
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Automatic Temperature Control
Automatic Temperature Control
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Description
Notes
Instrument Panel Control Head
Sensor System & Temperature Dial Rheostat
Notes
In-Car Sensor
Ambient Sensor
Feedback Potentiometer
Programmer
Notes
Amplifier
Transducer
Vacuum Motor
Vacuum Checking Relay
Feedback Potentiometer
Other Control Units
Notes
A/C Override Switch
Ambient Switch
Lo Relay
Auto Relay
Anti-Dieseling Relay
Operation
Notes
Temperature Dial (Thumbwheel)
Control Head Selector Lever
Notes
Off
Vent
Lo
Auto
Hi
De-Fog
De-Ice
Performance Test
Notes
Relative Humidify
Excessive Compressor Head Pressures
Test Conditions
Test Specifications
Adjustment
Notes
Programmer Link & Temperature Door
Adjustment
Checking Adjustment
Temperature Dial Calibration
Feedback Potentiometer (Programmer Amplifier) Calibration
Testing
Oldsmobile 88, 98 & Toronado (1971)
Description
Notes
Instrument Panel Control Head
Sensor System & Temperature Dial Rheostat
Notes
In-Car Sensor
Ambient Sensor
Feedback Potentiometer
Programmer
Notes
Amplifier
Transducer
Vacuum Motor
Vacuum Checking Relay
Feedback Potentiometer