"Thunk" when changing from Park to Drive, or Reverse to Drive

Dan Albrich

Well-Known Member
I did try and search for this, so feel free to point me at a thread if I missed it. My 2018 Clarity at about 90K miles runs good generally, possibly save the new "thunk" sound if it matters. My old cross-climate 2 tires were past 50K miles and starting to slip a bit on wet ground-- assumed that was it. I went to Costco and bought another set of the cross-climate2 tires since I liked them last go-round. The front tires are not slipping on the wet ground now, but I still sometimes get/feel a thunk sound. This when changing from (P)ark to (R)everse or (D)rive. At the moment it's pretty subtle and doesn't do it every time.

I realize this post is not the tire thread, but the reason I mention tire replacement is that the car was doing something similar-feeling when one of the front wheels spun a bit on wet ground. You'd hear and feel a thunk when it finally grabbed. What's happening now, only when switching drive mode (P,D,R) feels somewhat similar.

So if this sounds familiar and it leads to something that needs repair that would be good to know. I bought the 8 year HondaCare warranty so I've got until Sept 2026 remaining. Also OK to say, not something to worry about if that's the case.

-Dan

PS: I still take the car like clockwork to the dealer because I'm in-HondaCare. I have a A012 maintenance scheduled on Friday. I'm sort of afraid to ask them any questions because they always recommend hundreds of dollars worth of work, and I believe them to be dishonest. So it's a little more complicated than just ask the dealer (which presumes you have a reasonable, professional dealer). We do have several asian auto-repair places in my town that I do think are reasonable.
 
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Could be the transmission itself or a mount/bushing is weakened so it thunks/moves when the pressure/spin/etc from the trans changes direction. I wouldn't think this would be tire related at all.

Take it in and let them diagnose. You already know, but don't feed them. "There's a weird sound when i leave my parking spot". keep it vague.
 
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