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Buick
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1993
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Roadmaster Estate Wagon V8-350 5.7L
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Component Tests and General Diagnostics
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Troubleshooting Hints
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With HVAC System - Manual
With HVAC System - Manual
Check that Heater and
A/C Selector Switch
and Temperature Control Lever on the Heater and A/C Control Assembly move freely.