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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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Comprehensive auto A/C service manuals
Our auto A/C diagnosis and repair manuals make up a complete and comprehensive course for automotive air conditioning instruction. All of them are professionally illustrated making all the concepts and fundamentals easy to follow, understand and remember.
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Every section or chapter of our auto A/C diagnosis manuals has been developed to cover specific topics. You can easily use only the sections that pertain to your course or add to your course outline as required. Every section provides comprehensive coverage of the topic.
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All of our manuals are digital eBook manuals. That makes them easy to deliver, anywhere in the world! Our full version manuals are printable so there is always a 'hard copy' available. They also include our WIZ Chart™ Quick Reference Summary pages that provide an excellent review of each chapter or section.
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Auto A/C Recharging, Repair, Service and Troubleshooting Manuals
How the A/C System Really Works
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Diagnosing Auto A/C and Understanding the Gauge Readings
Performance Testing Auto A/C
Leak Test Procedures for auto A/C
Flushing & Cleaning the auto A/C System
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Everything Vacuum Pump Manufacturers Don't Want You to Know
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Keepin' Cool - Your best automotive air conditioning e-zine with updated information on auto A/C parts and general service information. All available from autoACsystems and the COOL ZONE! Your on-line A/C Connection! Polymax Refrigerant Oil - Replaces PAG, Ester and Mineral oil - Approved for use in all Auto A/C systems and with all refrigerants too! R-134a! R-12! Hydrocarbons and blends! HC's! R-12a and more! Braze Perfect! Simply the world's easiest aluminum brazing solution! Repair A/C hoses and lines with a standard propane torch!

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