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Squeal/chirp on shift

R

RonP

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Hey folks, 3500 limited HO. I have noticed a definite noise on the 3/4 (i think) shift that sounds like a chirp. I have had this happen years ago on another truck, but can't remember much about it.

Anyone hearing anything like this?
 
From what I read, it is a pretty common occurrence and no cause for concern. My Aisin does it, especially when I get a little frisky on the throttle.
 
2019 limited SRW, 650miles, mine does the same thing, usually 38-42 mph consistently and sometimes in other gear shifts or converter lockups. 5yr 100k warantee so im not sure I really care at all. One forum was saying that Valvoline AT4 helped quite it down. I may try it. I am planing on changing oil & diff fluids after my 1st tow, maybe a quick dump of the at pan too.
 
Well, glad I’m not the only one… I love this forum… do you all still have your 19 and 20? Did it shake out at some point?

I have a 2022 HO mega cab SRW
 
Anyone have anything come from this noise? Just rode with a service manager on my brand new 2022 HO. He heard the chirp, but thinks it’s wastegate noise from the boost….
 
It's nothing to worry about. I have the chirp too when getting on it hard but it's something the Aisin has been doing for years from my understanding.
 
Ionicbrick said:
Anyone have anything come from this noise? Just rode with a service manager on my brand new 2022 HO. He heard the chirp, but thinks it’s wastegate noise from the boost….
Click to expand...
There is no waste gate on these trucks…. And it cant be turbo bark if its all stock
 
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