FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Lexus
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1990
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LS 400 V8-4.0L (1UZ-FE)
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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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Initial Inspection and Diagnostic Overview
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Initial Inspection
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Refrigeration System Inspection
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Inspection of Refrigerant Volume
Inspection of Refrigerant Volume
INSPECTION OF
REFRIGERANT
VOLUME
1.
Run engine at idle speed
2.
Operate a/c at maximum cooling for a few minutes
3.
Inspect amount of
refrigerant
Observe the sight glass on the liquid tube.