Sanden Compressor O-ring/Questions
Ok, so many years ago, I attempted to to repair my a/c system. The system was evacuated at a shop prior to pulling the engine bay apart, and one of the a/c lines replaced. It's been empty, but sealed for a few years. I am just now getting around to properly completing this. I remember that on the compressor, there was a one piece o-ring that sealed where the lines bolt to the top. Does anyone know where I can get a replacement for this? I searched online and found nothing. Can I just buy the green o-ring kit and try to find match in there?
I'm also aware I need to to get a new drier during this ordeal also. Also, I want to see if the compressor clutch still functions. Is there a way to jump a relay or ground something just for a second to see if the compressor will engage? It would save me a lot of problems down the road if I could assess whether the compressor is viable or not. Thanks. |
You should be able to get the o-ring you need from any auto parts store, and the a/c compressor clutch can be tested by applying power to the wire on the compressor. I usually just jump the pressure switch connector by the drier receiver to test it.
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the sanden requires 2 larger HNBR o-rings which don't come in most generic o-ring sets. you should try a shop that specializes in A/C repair to try and find replacements.
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Originally Posted by RotaryEvolution
(Post 11550894)
the sanden requires 2 larger HNBR o-rings which don't come in most generic o-ring sets. you should try a shop that specializes in A/C repair to try and find replacements.
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Originally Posted by RotaryResurrection
(Post 11550934)
Measure the ID and OD of the o-rings you need, go to mcmastercarr.com and order replacement HNBR green o-rings if you can't find them locally. They come in packs of 50 or 100 for like 5 dollars. You'll have packs full to spare and sell to other people here. Someone out there has had to replace these before. Hoping to get an idea of what size I have to find. |
Originally Posted by RotaryResurrection
(Post 11550934)
Measure the ID and OD of the o-rings you need, go to mcmastercarr.com and order replacement HNBR green o-rings if you can't find them locally. They come in packs of 50 or 100 for like 5 dollars. You'll have packs full to spare and sell to other people here.
i don't have measurements on the seals, last time i did one i dug around until i found the seals i needed. |
I went to orileys, they were ble to order me a kit for the whole are
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Originally Posted by RotaryEvolution
(Post 11552740)
yes, you can do it that way but it isn't as easy as it sounds, since o-ring dimensions seem to almost rarely meet the specifications that they list them as. many times i have to order 3 sets, the set i think should work, then one size larger and one smaller.
i don't have measurements on the seals, last time i did one i dug around until i found the seals i needed. |
Originally Posted by Zero10
(Post 11553690)
Worse than that - you usually end up having to order 5-7 sizes, the one you think it is plus or minus 1 in both imperial and metric, and sometimes an extra one or two because they are so very close.
Now I HAVE had those kind of issues trying to find the upper fuel injector o-rings for FC's, every o-ring I try is the wrong size in one way or another. |
A/C compressor oring size for Denso
The compressor Oring size for the Denso compressor is as follows:
11x2mm on the high (small) side 14x2mm on the low (large) side |
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