Is this a normal noise at idle when AC is on?

JayZeeBee
Wed, 28 Jun 2023 00:46:40 +0000
Maintenance/Repairs

Preface - I have anxiety specific to my car breaking down which makes it hard for me to tell the difference between “normal” car noises and those that are indicative of a problem.

When my AC is on, periodically when my car is at idle there will be a brief shudder. I also notice it when I put my car in reverse. It will also occasionally vibrate a bit at idle with AC off, but I notice it most when my AC is. It is not frequent enough that I could take it to a mechanic and reproduce it. Usually it is after the car has been running for a bit (5-10 min).

I wouldn’t mind it so much but recently my engine misfired and died, ~60 mph. It got a new set of plugs and coils and now seems to run smoother. But if there is a problem that is indicative of a larger issue, I want to take care of it.

It’s a pretty old car… 2008 Civic, 189k

thanks!

6 posts - 4 participants