A/C clutch not engaging on brand new compressor (2009 TSX)

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Old 07-17-2019, 06:42 PM
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Unhappy A/C clutch not engaging on brand new compressor (2009 TSX)

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My A/C would stop blowing cold air after 5 minutes of driving. Took it to Car-x and they checked for leaks and told me there were no leaks. They said I need a new AC compressor and wanted over 1000$ for the work.

I found a new one and took it to my mechanic to have it replaced. New dryer, expansion valve, freon, compressor. Got home after driving 10 minutes and... clutch is once more not engaging.

Car-x told me that the relay should be fine because the computer is sending the request to engage. As I activate or deactivate the AC on my dash, the radiator fans turn on and off accordingly.

Mechanic flushed everything out that was old and refilled everything. I am baffled. Some people talk about the spacers and removing one of them or what not but why would that be an issue on a brand new radiator?

Any suggestions would be appreciated, thanks
Old 07-17-2019, 06:45 PM
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still suspect the relay.. that would have been the first thing i replaced before the compressor
Old 07-17-2019, 06:54 PM
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On my way to buy one from autozone right now to test it out
Old 07-17-2019, 08:17 PM
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Drove from autozone home and the AC is working flawlessly with the new relay. Have not driven it enough to be 100% certain but when I left my house it was not working at all.

Not sure if i should be excited it might just be the relay or angry im out nearly 700$

I guess I should not have trusted a nationwide authorised car repair shop
Old 07-18-2019, 01:00 AM
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Lesson learned
Old 07-18-2019, 01:13 PM
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To be fair im still not 100%. Can I hotswap fuses? I was thinking of putting the old fuse back in, and then wait until it goes out and while the car is running with the AC on I pop the new one back on
Old 07-18-2019, 01:21 PM
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Hot swap fuses or relays?



Test your old relay
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Old 07-18-2019, 01:26 PM
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i definitely did not hear the click with the old relay. I do hear a considerably audible click now so what i might do tomorrow morning is take it to my mechanic and see if they can test the old one out. i do not have the appropriate tools to follow the video instructions.
Old 07-18-2019, 01:28 PM
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Dude it's a relay, you could not have been out more than $20 bucks for it.. You just spent $700 unnecessarily, what's $20 in the grand scheme of things
Old 07-18-2019, 01:31 PM
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I know I should have not trusted the authorised mechanics working for a nationwide car repair company with a tonne of education and experience backing them up
Old 07-18-2019, 01:32 PM
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you keep saying that and i'm not sure if you're bragging or beating yourself up
Old 07-18-2019, 01:37 PM
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LMAO mostly the latter for sure

You are right though lesson absolutely learned
Old 08-09-2019, 11:37 PM
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Which relay did you replace?
Old 08-17-2019, 12:28 AM
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Originally Posted by jom jim
Drove from autozone home and the AC is working flawlessly with the new relay. Have not driven it enough to be 100% certain but when I left my house it was not working at all.

Not sure if i should be excited it might just be the relay or angry im out nearly 700$

I guess I should not have trusted a nationwide authorised car repair shop
Which relay and where is it located?
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