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Mercedes Benz
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1989
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420SEL (126.035) V8-4.2L (116.965)
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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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Diagnostic Test Procedures
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Air Conditioning (Manual)
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Checking Compressor Cut-Out With Control Unit Cut-Out
Checking Compressor Cut-Out With Control Unit Cut-Out
CHECKING CUT-OUT OF
A/C COMPRESSOR
ELECTROMAGNETIC CLUTCH WITH COMPRESSOR CONTROL UNIT CUT-OUT (N6)
Test Step 1
Control unit (N6)
V-belt and pulley
Test Step 2