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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 Diagnosis Help
Info about how to diagnose any auto A/C system


Auto A/C Diagnosis, Repair, Service and Help Information - Manuals for recharing and servicing your A/C system. Understand pressure readings, the recharge process, leak detection and lots more!

 

Diagnosing and Troubleshooting Auto A/C Systems
The pressure gauge readings only tell you the pressures in the A/C system. They never tell you if it's full or not and they never tell you what the problems are. Why isn't your A/C system blowing cold? There could be countless reasons including a bad or seized A/C compressor, air in the system or even restrictions at the orifice tube or drier! Review these articles for more help in diagnosing your auto A/C system. Also see:
Diagnosing auto A/C systems.
Performance Testing auto A/C Systems
A/C System Specific Diagnosis Charts
Diagnosing A/C Systems with Variable Displacement A/C Compressors

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Help Diagnosing any auto A/C System

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Additional help and information about auto A/C service and repair


Auto A/C Performance Testing

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Top 10 Mistakes Servicing Auto A/C

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Auto A/C Help & Information Articles

Auto A/C Recharging and Adding Refrigerant | the Fastest A/C Recharge | Retrofitting and HPCO Switches |
Using Nitrogen in auto A/C service  | Retrofitting and your A/C Condenser |
After you recharge
| Vacuum Leak Testing? | Recharge with Liquid or Gas? |
Diagnosing A/C & the amount of compressor oil | Diagnosing a Bad A/C Compressor |
What happens with air in the A/C system? | Diagnosing Restrictions and low gauge readings |
What are the gauge readings telling me | What are normal pressure gauge readings for auto A/C? |
All about A/C Flushing Agents & Solvents | The truth about Suction Side Filters |
When should I flush the A/C system | Why do I have to Flush the A/C system? |
Don't be confused about flushing the A/C system | Alternative to Flushing A/C Systems |
Why manufacturers tell you not to flush the A/C system |
Auto A/C Help and Information at autoACtraining.com

Auto A/C Help - Learn the do's and don'ts of automotive air conditioning
Help to understand what the proper auto A/C service really is
auto A/C system components explained

Auto A/C Condensers | A/C Compressor Clutch | Receiver Driers and Accumulators |
auto A/C Evaporators | More about Evaporators | A/C Compressors |
Expansion Valves (TXV) and Orifice Tubes | Don't discharge your A/C system |
Don't restrict air flow | Poor cooling? Don't run the A/C system | Never disconnect the A/C Compressor |
  Be sure the entire a/c system is leak tested | Your A/C Compressor is seized? |
Never let your A/C system get 'topped' off - adding refrigerant can create problems |
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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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