Air Conditioning Repair Tips: General Autos Collisions and Auto Mobile Insurances for Cars

Air Conditioning Repair Tips

When your car’s air conditioning blows hot instead of cold, you should start by checking out the controls of the Air Management System on the dash, as covered in Part 1 of this article. If that doesn’t do the trick, the next step is to look under the hood at the Refrigerant Cycling System. Before you do anything, though, take a look at a service manual for your car, not only for information on how the system works, but also specifics involving its pressure and temperature control features. The manual can tell you both procedures to follow and how far you can go with the basic testing that we’re going to discuss. It will also inform you of the hazards and safety precautions when working on the system.

Since you can “see” a lot just by looking, start with a visual inspection of the refrigerant cycling components under the hood with the engine off. First, look at the compressor and its drive belt. Is the belt connected, sufficiently tight and in serviceable shape? Replacing a missing belt may be all that’s required for a quick fix (and check the other belts while you’re at it, too).

Inspect the refrigerant hoses for damage (don’t be fooled by surface damage to the insulation that may be covering the hoses). Since a small amount of lubricating oil is contained within the system, check if any areas or connections are oily, with no other possible outside source. Oil found on any A/C component, or at any of the hose or line connections without an outside source, usually indicates refrigerant loss at those points, which may require replacing those components and a recharge and retest of the system.

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Air Conditioning Repair Tips

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