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2006 Mustang GT Losing Freon and weird knocking sound

1518 Views 3 Replies 3 Participants Last post by  stlwagon, 
Vortec
My car's still under warranty and I've taken it to the Ford dealer twice to fix this issue but it hasn't stayed fixed. My A/C keeps slowly losing freon. When it blew cold, there was a loud bang that would come through the firewall when I was at an idle almost everytime I'd come to a stop. I could feel it in the pedals. As it lost freon over time, the bang would go away. It seems realted to the compressor kicking on but I can't figure it out and neither can the dealer. They've replaced the schrader valve once and a condenser line the other time. I think they're just guessing. Has this happened to anyone else?
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travelers
It sound like they need to replace the compressor. and use some dye to find the leak.
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Vortec
Sorry to dig up an old post but figured I should post the final verdict. Travelers was right. They ended up replacing the compressor and so far so good. Although it's a little loud when it kicks on (similar to a blow-off sound), it's stayed cold. Peace.
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stlwagon
Vortec said:
Sorry to dig up an old post but figured I should post the final verdict. Travelers was right. They ended up replacing the compressor and so far so good. Although it's a little loud when it kicks on (similar to a blow-off sound), it's stayed cold. Peace.
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Super! glad they finally resolved it.
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