DIY R134a A/C Check and maintenance!!!
A/C was weak when temps went above 85F here in TX. So went to Autozone to free rent their R134a gauges and had some R134a cans laying around. Took pix of how it went down!
Hopefully the pix are self explanatory!!
BTW, I did the same thing to my 1997 MB S500 on benzworld.org a few years back. Principles are still the same for R134a.





Last edited by MoE55; May 28, 2013 at 02:09 AM. Reason: Image doesnt work
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