people effected by this need to read this https://www.civicx.com/threads/my-2017-hatchback-dash-rattle-thread.9082/page-6#post-389671
CivicChina had pictures of where to stick foam in the heater core. I can't find the pictures but maybe message him for them. It's easy to access the heater core...
Both a-pillars have already been fixed with felt installed by service. I have almost given up because two dealers have been unhelpful fixing the rattle
I'm in the same boat. I'm on the second dealer. I've had the tech experience the noise driving and in park. They took my car in and couldn't fix it. They said the noise is doesn't last long enough for them to diagnose and attempt a repair. American Honda also is no help.
I will be getting rid...
Maybe, but its the same noise under the same conditions. Either they didn't diagnose it correct with it being the heater core. It could be something beyond the heater core deeper in the dash.. or maybe under neath the car.
Just doing a google search for "civic dash rattle" there are many forum posts regarding this noise. I thought the noise was fixed after they replace the heater core behind the glove box, now the noise is back.. I discovered something that I can do to recreate the rattle noise. Drove the car for...
https://www.civicx.com/threads/my-2017-hatchback-dash-rattle-thread.9082/
My hatchback has the same symptoms. Two months ago they replaced the heater core. They took the glove box and the trim behind it out, they determined that was the source of the noise while on test drive. Fast forward two...
3 failed repair attempts, 28 total days car spent at dealer and no fix. Somehow after this 3rd visit the rattle noise is more frequently present now. Before it wasn't as persistent. I give up with this car
Well I thought I solved the rattle by taking the metal splash shield off but the rattle is still present. I cleaned out the the interior and took my front plate off. Dropped it off at the dealer for it's 3rd inspection for this problem