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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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Confused about the different sizes of A/C hose? :
Here's an illustration that will provide all the details you need. It shows all four sizes of A/C hose used on your vehicle and includes both the inside and outside diameters on each size.
A/C Hose Sizes:
Typically, A/C hose is referred to by what is known as the 'nominal' size. Sizes like #6, #8, #10 or #12. How do you know what size A/C hose you really need?

That's easy! Use this guide to understand the what the four different sizes of A/C hose are and what the actual dimensions really are. The illustration provided details on standard barrier A/C hose.

You can complete these cuts using a hack saw or, if you have, a cutting tool. Use caution not to damage the tube under the hose or the 'beads' that hold the ferrule into position. When the cuts are complete, simply remove the old hose ferrule and hose section.

Note about the A/C hose sizes listed in the chart:
The illustration above provides A/C hose I.D. and O.D. of standard barrier refrigerant hoses. In some applications, the original manufacturer may use 'Reduced Diameter' barrier hose. Reduced Diameter hose is the same INSIDE DIAMETER as standard barrier hose, but the OUTSIDE DIAMETER is reduced. It allows for tighter bends under the hood. However reduced diameter A/C hose can be replaced with standard barrier hose without any effect on fit or performance of the A/C system.

Other things you'll need to know when repairing auto A/C hoses:
Before you start, be sure that you have reviewed all the information and that you understand how to measure the fittings or tube sizes of the hose that is going to be repaired.

We've also provided a detailed look at how you can repair just about any A/C hose on your vehicle without having to replace the entire hose assembly. You can see this simple unique three step A/C hose repair with illustrations and photos now.

On today's auto A/C systems, you can no longer use barb style fittings. You will have to use 'bead lock' fittings (just like the original hose). Bead lock fittings include the crimp ferrule (or shell) already attached to the fitting. You will also require an A/C hose crimper to crimp the fitting.

Don't forget to check out the Universal A/C Hose Kits too! Get the right size and amount of A/C hose you need. Hose kits include all the replacement ferrules and retainer clips so that you can replace just the section of A/C hose that's leaking.


Everything you need to do professional A/C hose repairs:
Get everything you need to complete these professional A/C hose repairs at the COOL ZONE™ Auto A/C Parts Warehouse. We stock universal hose kits that provide quality barrier hose with the ferrules and retainer clips you need. We also stock the most economical A/C Hose Crimper from Crimpmate and the complete 3 step A/C hose repair system.
Universal hose kits come in 2 different lengths. They provide everything you need to complete professional A/C hose repairs in minutes. Simply measure the length of hose being replaced and order the 18" or 30" Universal hose kit. (AR6300 A/C Hose Crimper or equivalent is required).
Universal hose kits come in 2 different lengths. They provide everything you need to complete professional A/C hose repairs in minutes. Simply measure the length of hose being replaced and order the 18" or 30" Universal hose kit. (AR6300 A/C Hose Crimper or equivalent is required).
The Crimpmate™ 4-in-1 design lets you crimp and A/C hose quickly and easily! There are no die sets to change so there's never any lost or missing parts. The unique 'top loading' design makes it easy to load and crimp long hose assemblies without having to 'thread' the entire hose through the crimper.
The Crimpmate™ 3 Step A/C Hose Repair kit is refillable and the perfect solution for service shops or busy DIY'ers! Includes ferrules for all four sizes of A/C hose and 9 different retainer clips. Complete with rigid storage box.

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Link to this article! If you sell auto A/C parts or service and want your visitors to truly understand how easy it is to repair any A/C hose on their vehicle, you can add the following html code your your web page
and l ink to this article!

From the world's leader in auto A/C service information - autoACsystems.com

Confused about different sizes of auto A/C hose?
There are four different sizes of A/C hose used on most A/C systems. Get complete details and understand the different sizes and the dimensions. It's easy to repair just about any A/C hose on your vehicle without having to replace the complete assembly.
HTML Code for this link; Copy and Paste into the body of your web page:
<FONT face="Verdana, Arial, Helvetica, sans-serif" SIZE="2" COLOR="#000000"><B><A HREF="http://www.autoacsystems.com/_faqs/detail/hoserepair.html">Confused about different sizes of auto A/C hose?<BR> </A></B>There are four different sizes of A/C hose used on most A/C systems. Get complete details and understand the different sizes and the dimensions. It's easy to repair just about any A/C hose on your vehicle without having to replace the complete assembly.</FONT>

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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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