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VIDEO- Engine/ tranny? Whine and knock ?‍♂️

Dersch
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Dersch Enthusiast

Dersch

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35 minutes ago, Brian21477 said:

I took mine in today for the third visit for the engine whine.  Some older mechanic who said he’s been in the business for a long time rode with me to hear the whining.  He tried to tell me he couldn’t hear the noise.  I said really! You don’t hear what sounds like a fire engine siren in the distance coming from the front of the truck? Then he proceeded to tell me that he was deaf in his left ear.  I laughed and said that would be my luck! Then he eventually heard it and drove it himself to see if he could feel the degradation of power as well.  He said he didn’t know how it felt when it was new so he wanted to test drive another one from the sales lot.  Not sure where that ended up because I had to get to work so I left it.  They gave me a loaner.  This visit here will take me into the time window for the lemon law. I already spoke with an attorney and started the process.

Good luck. Keep me posted cause im also curious how yours will play out. Still waiting to hear from my lawyer

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Jav_eee
Jav_eee

my 5.3 has 20,970 and does not make these noises.

Brian21477
Brian21477

It’s not just in your head.  My 6.2 Trail Boss has the 18” wheels with the GY Duratracs but mine used to feel so much more powerful.  Only have 2500 miles on it!

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Dersch Enthusiast

Dersch

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38 minutes ago, Brian21477 said:

I took mine in today for the third visit for the engine whine.  Some older mechanic who said he’s been in the business for a long time rode with me to hear the whining.  He tried to tell me he couldn’t hear the noise.  I said really! You don’t hear what sounds like a fire engine siren in the distance coming from the front of the truck? Then he proceeded to tell me that he was deaf in his left ear.  I laughed and said that would be my luck! Then he eventually heard it and drove it himself to see if he could feel the degradation of power as well.  He said he didn’t know how it felt when it was new so he wanted to test drive another one from the sales lot.  Not sure where that ended up because I had to get to work so I left it.  They gave me a loaner.  This visit here will take me into the time window for the lemon law. I already spoke with an attorney and started the process.

Honestly im so burnt out on this process and by chevy i cant wait to get rid of it

Brian21477 Enthusiast

Brian21477

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1 minute ago, Dersch said:

Honestly im so burnt out on this process and by chevy i cant wait to get rid of it

I don’t blame you. I love the truck, just want it fixed.  But I too am getting alittle tired of letting it sit in the shop more than my driveway!

Dersch Enthusiast

Dersch

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10 minutes ago, Brian21477 said:

I don’t blame you. I love the truck, just want it fixed.  But I too am getting alittle tired of letting it sit in the shop more than my driveway!

The worst part about it is i loved my truck when i bought it and loved it after ive put some work into it with tint, lift, tires, etc. But now that its been in the shop and just been a PITA for me i lost some of my love for it. 

Looking forward to hearing from my lawyer. 

If you dont wanna post it here send me a private message i wanna know what yours says

 

Also my friends dad had a new silverado with a rear end knock that that they couldn't figure out. They bought his truck back minus $2k my friend said and gave him a new one. Didnt go into much detail but i cant imagine he lost money on it. At this point i wouldnt even take a trade in

M1ck3y Senior Enthusiast

M1ck3y

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I don't hear any knocking, It sounds normal to me. But maybe your picking up on something you can't hear through the video. As far as the power loss goes.. If they did work on the transmission they would have re-programmed or updated the tcm/ecm. Unfortunately these updates are most often are geared towards fuel economy/emissions or part longevity, not performance.

 

My 17 had an update done at one point to address low speed shifting problems. The update helped shifting slightly, but the truck didn't have the same fire it did before.

 

They said they re-built the transmission? Do you have the work order with parts/service performed?    

Dersch Enthusiast

Dersch

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44 minutes ago, M1ck3y said:

I don't hear any knocking, It sounds normal to me. But maybe your picking up on something you can't hear through the video. As far as the power loss goes.. If they did work on the transmission they would have re-programmed or updated the tcm/ecm. Unfortunately these updates are most often are geared towards fuel economy/emissions or part longevity, not performance.

 

My 17 had an update done at one point to address low speed shifting problems. The update helped shifting slightly, but the truck didn't have the same fire it did before.

 

They said they re-built the transmission? Do you have the work order with parts/service performed?    

I think it more sounds like a lower end mettalic ticking to me than a knock. Prior to the transmission repair i could hear the knock and the ticking. But either way BOTH are new compared to what its been doing the last 11k miles. 

 

I thought about that with the tranny. Asking if they can reflash it to see if that helps maybe. 

 

I still want to have them let me drive another trail boss to evaluate for myself. Cause thats the only piece of mind ill have. It never made any noise (the engine) than all of a sudden Started to make noise. 

 

I dont have the service record with me. But i know they replaced a bunch of seals and they broke 3 manifold bolts off in the process-_-

  • 6 months later...
Jeffery Havelin New Member

Jeffery Havelin

Posted
Posted (edited)
On 12/9/2020 at 9:51 PM, Dersch said:

I think it more sounds like a lower end mettalic ticking to me than a knock. Prior to the transmission repair i could hear the knock and the ticking. But either way BOTH are new compared to what its been doing the last 11k miles. 

 

I thought about that with the tranny. Asking if they can reflash it to see if that helps maybe. 

 

I still want to have them let me drive another trail boss to evaluate for myself. Cause thats the only piece of mind ill have. It never made any noise (the engine) than all of a sudden Started to make noise. 

 

I dont have the service record with me. But i know they replaced a bunch of seals and they broke 3 manifold bolts off in the process-_-

Any updates? I know it's been months but I got a 2020 6.2L LT Trail boss couple months back and I am currently having the whining noise issue.

Edited by Jeffery Havelin

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