What a short Honeymoon - Chevy Colorado & GMC Canyon
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post #1 of 41 (permalink) Old 04-03-2017, 06:41 AM Thread Starter
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Angry What a short Honeymoon

Well that great new owner feeling went down the toilet pretty quick. Took a short trip Sunday (60 miles) & began noticing on our return the transmission/drivetrain acting kinda strange. First when going into V4 mode it made a noticeable thud (it had not before) going back into V6 mode seemed OK. Also when climbing a steep grade I felt what seemed like the torque converter locking & unlocking. At any rate it was a felt thuds of some sort & it was in V6 mode, definitely not normal IMO. First thought is maybe the transmission fluid is low. Of course we can't check that ourselves anymore due to some moron thinking a sealed transmission was a great idea. It also makes a really good clunk when going into reverse, way more than my 16 ever did. So there we have it. I already have an appointment set for Tuesday for getting my steps switched over & my alignment done, now I have to have this looked into. Seems it's always like this for me, I just hope it's an easy fix, my luck they'll say it's normal.


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post #2 of 41 (permalink) Old 04-03-2017, 06:56 AM
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Sorry to hear this.
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post #3 of 41 (permalink) Old 04-03-2017, 07:24 AM
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Also sorry to hear that. I sure don't like hearing that of a new 2017. My torque converter was replaced at 500 miles, I hope that doesn't carry over to the 2017's.
I gave up on my dealer that can't align the front end and will take it to a real shop.
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post #4 of 41 (permalink) Old 04-03-2017, 08:07 AM Thread Starter
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Also sorry to hear that. I sure don't like hearing that of a new 2017. My torque converter was replaced at 500 miles, I hope that doesn't carry over to the 2017's.
I gave up on my dealer that can't align the front end and will take it to a real shop.
Thanks! I remember that. How did it act before it was replaced?

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post #5 of 41 (permalink) Old 04-03-2017, 08:07 AM Thread Starter
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Sorry to hear this.
Thanks!

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post #6 of 41 (permalink) Old 04-03-2017, 08:20 AM
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Bummer, lets hope it was just a bad part and gets fixed for good under warranty.
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post #7 of 41 (permalink) Old 04-03-2017, 08:33 AM Thread Starter
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Bummer, lets hope it was just a bad part and gets fixed for good under warranty.
Yeah, pretty bad with only 160 miles on it. I probably should have got the Summit White one I was looking at. Story of my life, I'm a living representation of Charlie Brown.

I'd consider a no charge exchange.

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Last edited by KY Red Rock; 04-03-2017 at 08:42 AM.
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post #8 of 41 (permalink) Old 04-03-2017, 08:46 AM
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Could be just that the new truck has to learn. I have a '16 diesel. During some of my first miles, I detected early converter lockup a few times. Never happened again since.
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post #9 of 41 (permalink) Old 04-03-2017, 09:10 AM
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Originally Posted by KY Red Rock View Post
Well that great new owner feeling went down the toilet pretty quick. Took a short trip Sunday (60 miles) & began noticing on our return the transmission/drivetrain acting kinda strange. First when going into V4 mode it made a noticeable thud (it had not before) going back into V6 mode seemed OK. Also when climbing a steep grade I felt what seemed like the torque converter locking & unlocking. At any rate it was a felt thuds of some sort & it was in V6 mode, definitely not normal IMO. First thought is maybe the transmission fluid is low. Of course we can't check that ourselves anymore due to some moron thinking a sealed transmission was a great idea. It also makes a really good clunk when going into reverse, way more than my 16 ever did. So there we have it. I already have an appointment set for Tuesday for getting my steps switched over & my alignment done, now I have to have this looked into. Seems it's always like this for me, I just hope it's an easy fix, my luck they'll say it's normal.

I drove 3 new 17 V6's and 1 of 3 acted almost identical to what you describing with 3 miles on it. Salesman was clueless and I'd bet money sold it that way but I'd like to think he turned it into shop when we were done.
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Last edited by Duc; 04-03-2017 at 10:56 AM.
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post #10 of 41 (permalink) Old 04-03-2017, 09:42 AM
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Thanks! I remember that. How did it act before it was replaced?
It was the Chugging and Shuttering. The dealer spent 2 days on the phone with GM back and forth running tests. GM said to replace the torque converter, I don't think it helped at all.

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post #11 of 41 (permalink) Old 04-03-2017, 09:45 AM
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The 8 speed trans has check and fill plugs.
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post #12 of 41 (permalink) Old 04-03-2017, 09:48 AM
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Sorry to hear this. There is lots of good feedback on the new 8 speed out there, something definitely sounds amiss with yours. Keep us posted. Might want to locate the check plug and see if the damn thing has fluid in it...
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post #13 of 41 (permalink) Old 04-03-2017, 09:49 AM
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I gave up on my dealer that can't align the front end and will take it to a real shop.
R. Dean?
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post #14 of 41 (permalink) Old 04-03-2017, 10:42 AM
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R. Dean?
Yep, they have tried twice. They rotated the tires at my oil change last week and it's pulling to the left still.

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post #15 of 41 (permalink) Old 04-03-2017, 10:57 AM
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Yep, they have tried twice. They rotated the tires at my oil change last week and it's pulling to the left still.
Good to know.
Beware of Victory Layne now too. They hired a new general manager, and he has run off all the good mechanics and service folk who knew what they were doing. A couple of the good ones landed at Estero Bay.
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post #16 of 41 (permalink) Old 04-03-2017, 11:26 AM
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First thought is maybe the transmission fluid is low. Of course we can't check that ourselves anymore due to some moron thinking a sealed transmission was a great idea.
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Originally Posted by ssgjurista View Post
The 8 speed trans has check and fill plugs.
Mine does. . . and sorry to hear of issues and having to deal with it. How many miles on it?

I am confused. . . I have a 2017 3.6L V6 with 8-speed transmission and the trans dipstick is on the passenger side back near the firewall with the usual big yellow O ring pull.

This is the second time I've heard someone talk about a "sealed transmission". Not on my 2017. . . are there two kinds?
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post #17 of 41 (permalink) Old 04-03-2017, 11:43 AM
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I am confused. . . I have a 2017 3.6L V6 with 8-speed transmission and the trans dipstick is on the passenger side back near the firewall with the usual big yellow O ring pull.

This is the second time I've heard someone talk about a "sealed transmission". Not on my 2017. . . are there two kinds?
That's the engine earl checker.
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post #18 of 41 (permalink) Old 04-03-2017, 01:11 PM
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That's the engine earl checker.
Right. .. but the trans still has check and fill plugs under the truck?
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post #19 of 41 (permalink) Old 04-03-2017, 01:16 PM
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Right. .. but the trans still has check and fill plugs under the truck?
Correct, no mo dipstick. Check and fill like an old school lawnmower.
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post #20 of 41 (permalink) Old 04-03-2017, 01:37 PM
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Please stay on the line. A GM Customer service representative will be with you shortly...........
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