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A/C Hose

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An ideal air conditioning system allows the unrestricted flow of refrigerant. But just like a city full of everyday motorists, this can be done only if the roads that lead from one place to another are in good working condition. So before your air conditioning system can dish out excellent performance, you need to make sure that its A/C Hose is more than up for the job. As you can probably tell by its name, this device is where the refrigerant passes through to get from one point to another. It's a specialized hose designed to effectively transfer both liquid and gas, regardless whether they're hot or cold. To help the hose do all this, it comes in a flexible design so it can fit easily inside the air conditioning system. It's also equipped with metal crimping that prevents leaks from happening. A failing hose is one of the most recognizable problems in your a/c because of its obvious symptoms. One example is that the refrigerant accumulates under your car. Another is the performance of the a/c itself is not as superior as before. Now, when these happen, the practical thing to do is to immediately replace your worn-out hose. By doing this, you're able to restore the quality performance of your air conditioning system as well as prevent further harm from being dealt to the environment. The A/C Hose help the refrigerant move from one component to the next seamlessly. And if you need this component today, simply pick one from our catalog only here at Auto Parts Warehouse.

Buying Guides
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The Skinny on the A/C Hose

A vehicle without functioning air conditioning is a terrible thing in the climate changed-for-the-worse. If it's something as small as a hose that breaks down, it's downright annoying. Is a hose really just a hose? You'd think so. There are a few considerations that you should take into account when replacing your ride's a/c hose.

The Assembly & Fittings

When buying a new a/c hose, the very first thing that you notice is that it always comes with metal fittings arranged in unique and differing assembly arrangements. These assemblies are not particularly vehicle specific, but you still need to take into account whether or not it will fit snuggly under the hood. Your best guide for a good fit is your old a/c hose and its assembly.

The fittings are the specific junctions where the hose meets the all-metal and rigid sections of the assembly. Because they are very vulnerable points, you should make sure they are of light-weight and rust-free aluminum. Look out for SAEJ51, IMACA 312, or SAEJ2064 certifications on the metallic assemblies you purchase as these indicate that the products meet standards for tensile strength.

Barrier v Non-Barrier: A Matter of Layers

Most manufacturers miss the mark by a great deal because even though the build of the hose is solid, it allows the smaller particles of liquid-in this case coolant-to slip past. While the losses from such leaks are miniscule by comparison, it's still significant enough to make it next to useless. Look for SAE J2064 ratings to judge a good hose, specifically Type C-this is the strongest and most durable.

Barrier hoses represent an evolution of sorts when it comes to a/c hoses (and hoses in general, for that matter). While even the most basic of hoses has some layering to it, the barrier hose added an extra layer to not only reinforce the entire hose, but to also give better protection against leaks. It's not just about being thick, you see-it's about materials that are less porous.

If the Price is Right

When it comes to pricing, a simple liquid-shunting hose will be within the range of $30-55. On the other hand, a full-bodied hose with assembly fittings run the range of $100 upwards to $160. The price variations are brought about by the simplicity or complexity of the a/c hoses. This is one of those things where the higher the price tag, the better the hose. A smart investment now will save you much more later.

Repair Guides
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Repairing Your A/C Hose

No one wants to lose their air conditioning-it's one of those creature comforts that have come to define the way we live and drive-but it happens. It's a costly affair to replace the entire assembly. If the culprit is simply a leaking rubber hose, then you're in luck-repairing a hose is easy and it is also more cost-effective too!

Difficulty: Easy

Ensuring the Right Fit

Before going into the procedure, it's important to get the right hose for the job. To do this you need to measure two things: length and outside tube diameter (OD). Length is easy. With a tape measure, determine the length, end-to-end, of the rubber section of the hose.

Diameter is a little trickier. Most people don't know this, but the best way to determine OD is by measuring the diameter of the metallic fitting the hose is attached to. Pick a straight section of the tube, as close to the hose section as possible and measure from there.

Once you determine OD, you can use the following guide to picking the hose that will fit:

  • For a tube OD of 3/8", you should get a hose with and OD of 3/4""
  • For a tube OD of 1/2", you should get a hose with and OD of 29/32""
  • For a tube OD of 5/8", you should get a hose with and OD of 1""
  • And finally, for a tube OD of 3/4", you should get a hose with and OD of 1-3/32""

Things You Will Need:

  • New hose
  • A/C Hose Repair Kit ? includes retaining clips and ferrules
  • Pliers
  • Shears or other strong cutting tool
  • Hacksaw (optional)
  • Retaining clips

The Steps:

Step 1: Remove assembly off vehicle.

Step 2: Carefully cut the ferrules or crimps that fasten the hose to the metal fittings, and then remove the old ferrule and hose.

Step 3: Install the replacement ferrule first-this will hold the new hose in place.

Step 4: Slip the new hose into the fitting section all the way in.

Step 5: Slide down the ferrule to secure the hose in place.

Step 6: Crimp the ferrule by carefully clamping down with the pliers. This crimping is what essentially locks the hose in place.

General Tips:

  1. Safety first. At minimum, deck out with goggles and insulated gloves.
  2. Always disconnect the battery prior to any under the hood jobs. You wouldn't want a nasty shock to surprise you!
  3. Make sure your car is parked on a level surface and immobile.