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  #1  
Old 06-02-2004, 08:08 PM
JimmyL's Avatar
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Join Date: May 2004
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AC R-134 question

'80 300TD. It was already changed to R-134, cheaply I'm sure. The air has only been blowing out of the vents about 60 degrees, so I bought a filling hose assy, some R-134 and a handy dandy pressure gauge that looks like a tire gauge, pencil type. Well, when I went to check the low side pressure, with engine and AC running of course, this yellow foam/slime oozed out of the conversion fitting (pic attached). What is that? Is that what the oil charge stuff looks like. I'm stumped, and am waiting to add the R-134 till I find out what that snottage is. Thank you once again.
JImmy

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AC R-134 question-ac-ooze.jpg  
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Old 06-02-2004, 08:30 PM
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If that were my car I would take the AC apart and do a great flush..., replace the R/D and then put it back together.
That does not look good for the tiny orifices in things like the Expansion valve.....
Looks like to me , just a guess, that two different and incompatible oils were mixed .... and perhaps a leak detector goo added in addition...
I am not surprised you are having cooling problems....
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Old 06-02-2004, 08:46 PM
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Great!

If the slimeball that sold me the car added R-134 to a low charged R-12 system, would I get martian sea-foam? I can see bubbles in the glass window on the R/D, but no foam.
How does one flush an AC system?
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Old 06-02-2004, 08:50 PM
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" How does one flush an ac system" ..... LOLOLOL
I guess you missed the AC WARS last summer....
You need to do a search on this... Larry Bible and many others have done a great job describing this both for method and importance...
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  #5  
Old 06-02-2004, 09:19 PM
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Will do....

Thanks
JL

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