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Old 05-04-2012, 08:20 AM   #1
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Problem with onboard air quick connector - '02 Phaeton

The quick connector on my air access valve seems to be some kind of strange, non-standard fitting. I would like to be able to connect a standard air fitting for adding air to my tires, but cannot because of this strange fitting. I have tried to remove it so that I can install a standard air fitting, but it seems siezed on, a steel male thread in a brass female fitting with some black goop in the threads. Don't know if heat would loosen it or not.

Just bought my coach in February, so I don't know where this strange fitting came from. I can't believe it is stock Tiffin hardware. Any ideas on removing this thing?
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Old 05-04-2012, 08:25 AM   #2
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Some coaches have a male and a female connector. They are there in case your vehicle needs to be towed. The towing vehicle can apply air pressure to release the brakes.
If you must change something, change the fitting on your air hose to match the fitting on your coach.
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Old 05-04-2012, 08:37 AM   #3
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There are quite a few air fittings (for some unknown reason) so you would be better off trying to locate the proper male fitting for your quick connect. Look on the quick connect for any numbers, those should help in securing the right fitting.
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Old 05-04-2012, 08:40 AM   #4
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The idiot manufactors only made a jillion different air chucks that will not interchange. If you can get where you can see the side of the coupler there should be a number on it. You may be able to find matching parts that way.
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Old 05-04-2012, 09:38 PM   #5
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Suggest you call Tiffin & they should be able to tell you the "type" of connector....then go to a specialized hardware/equipment store....they will have the correct big deal.
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Old 05-04-2012, 10:43 PM   #6
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I think what you are referring to is a type C automotive fitting. It looks strange as most of have always used type D fittings.

Both are available in 1/4" NPT.

Typically you will have one male and female fitting. THe male is used for filling the system from an external source, such as would be needed for towing. The female fitting will allow you to use the onboard compressor to air your tires etc.. (see post 26 in this thread

On my coach I changed out the coaches fittings for Type D, rather than have two different style wire hoses laying around the shop. If you can't remove the female fitting on your coach you could simply change the male fitting on your air hose to match the Type C female fitting.

Both fittings are common and can be found at Lowes, NAPA, etc.. or ordered on-line. Probably easiest to pull up to Lowes or NAPA and take a couple fittings out to see what fits. Be sure to test with female fittings placed on to the coaches male fitting. If you do it the other way around you will feel a strong blast of air.

I've included a couple pics. the one on the left is the Type D, leaving the one on the right to be the Automotive Type C.
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Old 05-05-2012, 06:52 AM   #7
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I was finally able to make out the words Style A on the sleeve of the female connector, so I think I am looking for a male style A fitting. Thanks for your help.
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Old 05-11-2012, 09:48 AM   #8
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Napa has both types available.
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