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Your best source for complete troubleshooting and diagnosis information on auto A/C systems. Our information provides proper repair, recharge, service and maintenance procedures for all automotive air conditioning systems. Regardless if you have a current CCOT (cycling clutch orifice tube) system or an expansion valve and POA valve system, we've got the information you need. From step-by-step help on retrofitting and recharging to complete A/C compressor or component replacement, our A/C manuals provide you a quick and easy methods that have been proven helpful to everybody from the apprentice to the professional.

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Auto A/C Technical Tips and Tricks the pros use every day!
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We've archived a complete listing of our A/CE™ Auto A/C Service Tips (updated twice monthly). They are all listed below so that you can review them at your convenience. Listings start with the most current.
3) Flushing the A/C System? :
Flushing or cleaning the A/C system is required any time you suspect contamination or after compressor failure. Typically, most parts (and compressor) suppliers make flushing part of their warranty. There are a few important steps to follow to assure that your A/C flush gets all the debris and contamination out of the A/C system. Review some quick tips for flushing any A/C system. Also review our recommended reading about Flushing and Cleaning auto A/C systems.
2) Pressure Gauge Readings with the Hood Up or Down? (Feb 2006):
When you're performance testing an auto A/C system, should you take pressure gauge readings and duct outlet temperatures with the hood up or down? When you think about it for a minute, it may appear pretty difficult (not to mention tricky) to get pressure gauge readings when the hood is down, but there is a good reason why you may want to. Check out the complete explanation about this when diagnosing and performance testing the auto A/C system.
1) Getting Ready for the Season (Jan 2006):
Before the busy season starts, it's always a good idea to check all of your A/C tools and equipment and make sure you have all the 'must have' auto A/C supplies. Review our Complete Auto A/C Service checklist the pros use before the auto A/C service season gets busy!


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