Rick's Free Auto Repair Advice

Posts Tagged: how to fix A/C

AC blows warm air on GM vehicle

AC blows warm air on GM vehicle How to diagnose an AC blows warm air condition on a GM vehicle I’m using a 2004 Chevrolet Malibu for this article. But other car makers use similar systems. Start by opening the PDF to the right. It’s a typical wiring diagram for a GM AC system. If you have an older vehicle or your vehicle is overheating, skip down to the EXCEPTIONS at the bottom of this article. After you’ve read this, get your hands on the diagram for your particular vehicle … Read More


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