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5.3L 8 Speed Shudder (I know I searched)

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Radchad Enthusiast

Radchad

Posted
Posted

Unfortunately I have these issues now too. 5500 miles now.  Build date 2/19.   Do any of you guys know if I bring a copy of the August bulletin to exchange fluid , can they refuse to do the work?   If they do , then what?  Different dealer ?  

Thanks for any help. 

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Zach-91 Enthusiast

Zach-91

Posted
Posted

Haven't looked for the bulletin anywhere but this is what I was told this week. Mine isn't that bad or frequent though. 

20190926_175248.jpg

mattsvtcobra Enthusiast

mattsvtcobra

Posted
Posted

I just got back from picking my truck up. I complained of a few things, but one of hard shifting 1-2, 2-1 and well as some shuttering. I bought my truck in oct/nov os 2018, so it's clearly old fluid. They "drove it 10 miles and felt no issues. Road tested vehicle and was unable to duplicate customer concern. Transmission operating to design intent at this time."

 

I have a vibration sometimes in the 40-50 mph range, and 75+. They said they drove it 10 miles and felt no vibrations. When I asked why they wouldn't go on the highway, they said "we can't go over the speed limit." They refused to balance the tires EVEN THOUGH they had them off to rotate the tires. 

Moledigger2019 Enthusiast

Moledigger2019

Posted
Posted

Brought my truck back to the dealer on the 30th. Called them the next day and they haven't looked at it yet. Today will be the 4th day. Wondering what is going on.

Moledigger2019 Enthusiast

Moledigger2019

Posted
Posted

Well got a call back today at 5 o'clock and guess what. We can't duplicate the condition. You'll have to come take a ride with the technician. 

mattsvtcobra Enthusiast

mattsvtcobra

Posted
Posted
On 10/3/2019 at 6:30 PM, Moledigger2019 said:

Well got a call back today at 5 o'clock and guess what. We can't duplicate the condition. You'll have to come take a ride with the technician. 

yeah, pretty sad. Just got back from a 1k mile trip, which half of it was pulling a boat... pretty bad when the cruise would call for a 1mph increase and the truck would start shuddering/surging forward. Oh well, i'll go to the next dealer down the road.

Jaychevy81 Enthusiast

Jaychevy81

Posted
Posted

I swear whenever someone else adds to this list the first thing that comes to mind.7c5dd97b6922d3d90f1e9470f41ab19c.jpg


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Canyon Conundrum Enthusiast

Canyon Conundrum

Posted
Posted

I have a 2017 Canyon  v6 8 speed. With torque convertor shudder for over a year now

4 tries   -torque convertor,fluid flush (old fluid) reprogram,fluid flush with updated fluid,

Its doing it again!  17k miles

Opened BBB case for by back-

mattsvtcobra Enthusiast

mattsvtcobra

Posted
Posted
3 hours ago, Canyon Conundrum said:

I have a 2017 Canyon  v6 8 speed. With torque convertor shudder for over a year now

4 tries   -torque convertor,fluid flush (old fluid) reprogram,fluid flush with updated fluid,

Its doing it again!  17k miles

Opened BBB case for by back-

I have it on slow steady speed increases especially when I just pulled my boat 400 miles. If I don't have a load, it is very apparent when I floor it from say 30 mph on an on ramp. It's like it's starving for fuel or something and it is a pull/push sensation every time. Having another dealer look through it tomorrow since the first one said "manager drove it at 45mph and felt nothing" which was complete garbage.

BlancoSilverado Enthusiast

BlancoSilverado

Posted
Posted

Was anyone able to fix this problem? it seems that the fluid is too light for this trans. 

 

Has anyone with this problem put amsoil/ a different fluid in to see if it fixes this? 

  • 2 weeks later...
Tomtom87 Enthusiast

Tomtom87

Posted
Posted

Just following on this thread. Wanted to report that my 19 Sierra 5.3 8 speed (Build date 7/19) has been pretty solid in the 3k miles I have driven it. No shuddering or vibrations at any speed. Only thing i’ve noticed is a hard 1-2 shift when cold but goes away once warmed up. Trans shifts smooth and i’ve been happy thus  far. 
 

Hopefully the fluid flush will help those that have issues. Has anyone heard if GM redesigned the torque converter on the 8 speed? That seems to be where the problems are

  • 2 weeks later...

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