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2004 chevy trailblazer_ls
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Discussion Starter · #1 ·
Yesterday while doing some maintenance on my TB I accidentally broke the plug side of my AC sensor off. I ordered a new one from Autozone but it wont be here until tomorrow, can I still drive the vehicle? It has like a valve type connection on one end that looks like a tire pressure valve so it is closed? Of course I wouldn't use my A/C but can I still drive it?
 

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I think you can drive it but don't use the AC. You may have to have an AC service replace it if removing it opens the system.
 

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2003 chevy trailblazer_ls
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1,708 Posts
You can drive it and do not turn on the ac.. Can you post a picture of what you broke? Did you hear a lot of pssssss when you broke off the fitting?
 

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2009 chevy
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If what you broke, was the switch (low pressure) on the side of the accumulator, it is ok to drive. Don't worry about turning on the ac; with this switch broken, it won't turn on.

Sorry, I just read all of your post. I think the only thing you broke was the dust cap. If so, your good to go.
 

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2004 chevy trailblazer_ls
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Discussion Starter · #5 ·
Sorry I haven't checked this site in a while...

It was the A/C Pressure sensor that I broke... it was the eletrical connection side of it... when removing it I heard a short Psst but that was it. I did end up driving it for 3 days until the new one came in ($70) I didn't use the A/C I just used the fan and opened my windows. :)

It was a very simple installation... screwed it on, snugged it with a wrench, and plugged in the electrical connection. My A/C is still cold, so I don't think it needs a recharge anytime soon.

Thanks for the tips.
 

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2007 chevy trailblazer_ls
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183 Posts
Very interesting, can you post pics??? Would like to know which switch.
 

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2004 chevy trailblazer_ls
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Discussion Starter · #7 ·


Here is the standard picture from Autozone.

The sensor is located just underneath the alternator on an 04 TB. I accessed it through the wheel well though.

I took some pics before I knew what it was, but I ended up deleting them.
 
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