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2009 Civic A/C and engine vibration


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Justincar
New User

May 27, 2019, 6:35 PM

Post #1 of 7 (223 views)
  post locked   2009 Civic A/C and engine vibration  

Hi,

Im new here and dont know much about car. I started to learn few things here and there but I am as green as it gets.

Anyway, I have honda civic 2009 sport model with 170k on it. Recently I noticed A/C wasnt blowing cold air anymore so I decided to add some refrigerant. So I bought a can of AC on the go and added it to the system. Right away I got cold air blowing in. So happy that it was so easy to do but 2 min later problem started.

When the engine is idling and the AC kicks in I get big amout of vibration from the engine. More than usuall. When driving everything seems fine but lets say i stop at a light and the AC keeps kicking in on and off and the engine vibrates.

The only thing i can think is that the can of refrigerant was not compatible with my car. I believe 134a is what needed and the can of refrigerant says 12a that replaces 134a. It also had oil in the can. And solution wise i can only think of vacuuming and replacing the refrigerant and I need to have a mechanic involved to dispose the 134a.

Thats my story. Any suggestion is appreciated.

Thanks


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

May 28, 2019, 3:20 AM

Post #2 of 7 (201 views)
  post locked   Re: 2009 Civic A/C and engine vibration  

Oh my Justincar: A/C is and has been a specialty area greatly on it's own to motor vehicles. Those cans and kits that boast claims just like you tried are absolutely deadly to vehicle's A/C and dangerous to boot. The name for those was once known a "DEATH KITS" JUST FYI.
It's what to do for you. You said you are trying and totally appreciate that and NOT trying to discourage it but not A/C so fast.
Right now the system is choking almost no doubt possibly destroyed but let's stop the bleeding.
Find a plug to compressor and disable it. Make sure any wire ends are safely tied away from moving or hot parts - everything is tight try for plastic heat rated wire ties no metal or wire.
This car was new with 134a. If you still found 12a that's a whole different product, procedure read again what you have I thought that ended up in Canada only about now maybe you are there I didn't try to look for that.


It's got to be able to drive this thing first the fix comes when you can drive it at all soon you wont or damage not directly to just A/C items at all.


This really should go to a professional shop certified in A/C work as soon as possible. If mixed gasses that's now legally a hazmat gas mix. OMG. It's open web so the rules are to contain that now at some expense or if found that system is now empty please say so just a pressure test it blew up already we can switch to next idea before belt flies off and takes out the engine too!


Yes, it's that bad and dang stuff is still sold without those warnings is unconscionable, good luck getting any help from the manufacturers of this junk.


Here to help let's see if we can at least make this car OK to use till some plan for a fix can be determined,


Tom



Justincar
New User

May 28, 2019, 4:08 AM

Post #3 of 7 (194 views)
  post locked   Re: 2009 Civic A/C and engine vibration  

Hi Tom,

Thanks for replying. This sounds pretty serious. I'm going to call around and ask for some prices. I should have known it was too good to be true. From now on I have to ask here before doing anything stupid like this. My wife is going beat my ass on this one Tongue


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

May 28, 2019, 4:35 AM

Post #4 of 7 (190 views)
  post locked   Re: 2009 Civic A/C and engine vibration  

I hope I'm all wrong for your sake. As said this so seriously seems like damage control now. YOU are not the first to make these mistakes and DON'T want to know what it might cost now? Bet either mega hundreds to several thousands of bucks possible unknown at this point. That's what to avoid,


Tom



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 28, 2019, 5:12 AM

Post #5 of 7 (185 views)
  post locked   Re: 2009 Civic A/C and engine vibration  


Quote
I'm going to call around and ask for some prices


Not the smartest way to approach this. It is vitally important to have a shop that is highly experienced in AC diagnosis and repair. Many shops think they are because they know how to change parts but an incorrectly repaired AC system can cause far more damage than you already have.

The cheapest guy is highly likely not to know what he is doing and just trying to bait you in.



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Justincar
New User

Jun 10, 2019, 9:05 PM

Post #6 of 7 (128 views)
  post locked   Re: 2009 Civic A/C and engine vibration  

Tom,

I had my car looked at last week in the Honda dealer. Thank god they managed to fix it and costed $80. I forgot to ask what they did. I thought it would ecplain on the recipte. But i did asl for cost of vacumm and refill and they said $370 CAD. Just for your reference I guess. Good thing I dodnt have to pay that much. Anyway Thanks for your helps guys


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 11, 2019, 1:45 AM

Post #7 of 7 (113 views)
  post locked   Re: 2009 Civic A/C and engine vibration  

Thanks for the update. If they could fix that for $80CAD and the cost of just a vacuum and recharge is/was to be $370CAD than your can of whatever it was didn't work at all or harm it.
Problem wasn't that rather something else is why this isn't DIY friendly nor should most folks mess with it WORSE for Canada (not that far from PQ) by chance.
Glad to hear what sounds like great news for you. I'll close this out as solved and a successful fix,


Tom







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