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DaddyZ 8/2/2012

1994 Mercedes Benz S420 Base 8 Cyl 4.2L


I have added r134 to proper pressure. AC blows hot air through side vents and cool air through the center vents

vehicle is a 1994 s420 with approx 120000 miles. Engine has been swapped out previously for a 400E engine.
Recent diagnosis of check engine light called for a coolant temperature sensor that has been replaced.

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