[W126 Coupe] Air Conditioning

[Dick Spellman]

Conversions to R-134, I have done 4.  It works fine so long as you observe
the process for making the conversion.  Riding on a 98 degree day in a black
SEC and staying icy cold is a reality if the conversion is done right.
Ditto with any MB so long as you observe the process.  I recommend you do it
yourself using the proper gear (costs a few bucks) and take your time vs.
relying on a mechanic who seeds your thoughts with failure such as you
describe with blowing all the seals.  This suggests he has not done a
conversion or if he did, he failed to follow the process or he worked on a
system that was previously damaged and just let go with the conversion.

Dick


----- Original Message ----- 
From: "a figment of the imagination" <figstir at yahoo.com>
To: <mbcoupes at mbcoupes.com>
Sent: Wednesday, August 10, 2005 8:33 PM
Subject: [W126 Coupe] Air Conditioning


> Hi all,
>
> It is hot as heck where I live. My A/C blows out hot
> air that's hotter than the air outside. So...
>
> Has anyone been able to successfully convert their A/C
> system on their SEC to use RF134 instead of the RF12
> refrigerant?
>
> If so, can a simple $50 kit at say Autozone or
> O'Reilly's do it?
>
> A MBZ salvage yard owner told me that if you inject
> RF134 into a MBZ A/C system, after flushing the RF12
> out, that the pressure from the RF134 would be so high
> that it will blow all the seals, damage the condenser,
> expansion valve, etc....  (true/false?)
>
> However, someone else told me that this is not true
> and did the conversion himself on his car.  However,
> this person owns a Buick, so that opens up the
> question, even though he supposedly has a license for
> A/C work and was confident of his knowledge.
>
> Any recommendations?
>
> Thank ya!
>
> -Figment
>
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