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1990
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Lumina APV V6-191 3.1L
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Repair and Diagnosis
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Heating and Air Conditioning
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Service and Repair
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A/C Diagnosis W/Variable Displacement Orifice Tube
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Chart C - V-5 System
Chart C - V-5 System
Fig. 22c A/C cooling system diagnosis (Part 3 of 5). Models w/DA-V5 (VDOT system) compressor:
