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AC issue - hose replacement?

 
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  • 1 Post By mmhendrie
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Old 05 May 2014, 11:50 pm
Young Cruiser
 
Join Date: May 2009
Posts: 71
Default AC issue - hose replacement?

Guys - looking for some AC advice. 2004 Ltd Ed, 56k miles - my ac doesn't work - I know I had a slow leak somewhere last year, but just rode it out. Now its getting hot again, I need to deal with it.

I decided to have a hunt around and see if I could see anything wrong on the ac refrigerant hose - and it pretty much looks shredded. I'm looking at the hose that runs from the refill valve, and it runs very snug along the auto transmission hose - as I followed it down, it seemed the ac refrigerant hose where it runs against the transmission hose is really shredded. I'm guess I need to replace it - I found this on rock auto which looks like the right part:
http://www.rockauto.com/catalog/more...924&cc=1424360
Has anyone every done this before? Is it difficult to do? Any advice/tips/insight? Can I just take it out and replace the rubber piece? Or is there a way to repair it?

Now, also, I noticed with my engine on, car in park - my fan wasn't blowing. Should it be when just in park? I know this is a common issue on the PT (the fan breaking) BUT I just replaced it last summer..(!)

Any help greatly appreciated!!

thanks,
Matt
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Last edited by mmhendrie; 06 May 2014 at 12:04 am.
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Old 08 May 2014, 09:19 pm
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Join Date: May 2009
Posts: 71
Default Re: AC issue - hose replacement?

ok with all the crickets chirping here, I went ahead and took it to an AC specialist. My fan works fine, and the hose is ok - yes, it is worn on one side, but the guy tells me those hoses are incredibly strong and it's fine.

He found my issue - which sort of bummed me out a bit. The compressor just wasn't turning on at all - and it was some little electrical switch. He switched it for a new one, and ta-da, all was well. Reason I'm a bit bummed out - I had changed that switch myself either 1 or 2yrs ago. I didn't think to check it - so I could have saved myself some money there, as it's an easy change. And it's left me worried...I mean, change it out once, fair enough, but to have it go bad again makes me think the new one won't last long either. Anyone have any experience with this switch breaking multiple times and what it might indicate?
thx,
Matt
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Old 09 May 2014, 05:44 am
Obsessed Cruiser
 
Join Date: Sep 2001
Posts: 27,744
Default Re: AC issue - hose replacement?

Matt,

On the compressor there's the High Pressure Switch, on the accumulator, there's the Low Pressure/Recycling Switch. Either one can go bad so I wouldn't worry that it will go bad again as no part is fail safe. I've had to change the Recycling switch a couple times myself.

High Pressure Switch




Low Pressure/Recycling Switch

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Old 09 May 2014, 11:12 am
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Join Date: May 2009
Posts: 71
Default Re: AC issue - hose replacement?

thanks Crewzin - yes, it was the low pressure switch. I recall now - I replaced it two years ago after testing with the 'paper clip over-ride trick' someone told me about on here (maybe you!). I'm just bummed I didn't think to test it with the paperclip myself. Ah well, drove in with nice cold air this morning - so, not all bad!!!
thx,
Matt
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Old 09 May 2014, 11:46 am
Veteran Cruiser
 
Join Date: Mar 2012
Location: darien il
Posts: 4,592
Default Re: AC issue - hose replacement?

if the hose ever does wear through, like mine did...

broken AC line, $0
6" gas pipe with threaded ends, $2.99
2 hoseclamps, $3

result:


i know it isn't the right way, but it was 100 out and i had a lot of driving to do. i fixed it in the parking lot, charged it, and it worked great. this will never wear through and it still holds pressure and still works properly a full year later.
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Old 21 May 2014, 09:49 pm
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Join Date: Apr 2014
Posts: 19
Default Re: AC issue - hose replacement?

I posted earlier about AC problem. When I took my PT to the mechanic, freon was low, maybe completely gone, not sure, but it was refilled and had AC cold air at that time. It was chilly the next two days, and I was traveling so didn't use the AC, til I was nearing my southern destination. I turned AC on but no more cold air.

Would I be right in assuming the problem is that the freon is leaking out?

That makes sense to me, but I know so little about how all the pieces work together, that I'm not sure if that is a valid assumption.

I will take the car in for repair but I would love to know the possibilities just to be more knowledgeable when I get a diagnosis. I'd like to feel at least somewhat confident that I'm not being taken due to not having a clue about the repairs.

Any suggestions would be so appreciated. Thanks.
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Old 22 May 2014, 08:40 am
quicksilverdon's Avatar
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Join Date: Nov 2003
Location: Felton, Delaware
Posts: 20,501
Default Re: AC issue - hose replacement?

Leaking the refrigerant is certainly a possibility.
You may need 2 stops - 1 to recharge with a dye in the refrigerant, second time to see where the dye indicates the leak is at and to repair the leak.
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Old 22 May 2014, 09:51 am
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Location: st james mo
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Default Re: AC issue - hose replacement?

O rings get hard and allow feron to sneak past when enough sneaks past you have no cold air

likequick said get ity filled with the dye then get it checked (at the same time)
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Old 23 May 2014, 08:08 am
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Join Date: Apr 2014
Posts: 19
Default Re: AC issue - hose replacement?

Thanks to both for your advice. I thought that something like this would be what was next and it is good to know what to expect at the repair shop.
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