Evening all, new guy here. Recently purchased my first Yukon Denali. 2011 w 101xxx on the clock for 12500. Blk/blk w chrome. AZ truck, no rust, a little desert pinstripe and plenty of dust everywhere. Pics will follow but its stock w the exception of a flow master cat back. Runs flawless except for the GM clunk. Love it more each day. Never had an awd truck before but I dig it. Here looking to improve upon the vehicle as well as fix little things that need it without breaking the bank. I will thank u all in advance for your help but more importantly for your patience as I am totally new to anything GM. Nice to meet y'all. Currently call Huntington Beach CA home. Appreciate any advice from those in the know(which I am trying to become). thank you!
FNG here
- Thread starter fngh
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wjburken
Supporting Member
Welcome to the forum from Iowa.
Would love to see some pictures of your Denali.
What do you mean by the GM clunk?
Would love to see some pictures of your Denali.
What do you mean by the GM clunk?
Welcome to the forum from Oregon.
The only GM clunk I have heard about that to some people seems common, is the clunk noise when stopped and shifting from drive to reverse or reverse to drive. Sometimes it is too much gear lash at the rear diff or a u-joint problem or the driveline needing the splines cleaned and lubed. Is that the clunk you are talking about?
The only GM clunk I have heard about that to some people seems common, is the clunk noise when stopped and shifting from drive to reverse or reverse to drive. Sometimes it is too much gear lash at the rear diff or a u-joint problem or the driveline needing the splines cleaned and lubed. Is that the clunk you are talking about?
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Welcome from Miami Beach!
Ask any questions or concerns you have in the 2007-2014 section. Thank you.
Tonyrodz
Resident Resident
Welcome from NJ. Might have a broken motor or trans mount. When does it clunk?
adventurenali92
Full Access Member
Welcome from just north of you in big bear lake! Hungry from beach is bar far my favorite socal beach town. Just so laid back and fun! Welcome to the GM gang! These rigs are incredible! Hopefully the tigers will help you sort that clunk issue out! And we love pics here!! 
Joseph Garcia
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Welcome to the Forum from NH.
Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.
I hope that you will become a participating member in the Forum's discussions.
Pics, please.
Please give us some additional description regarding your 'GM clunk', as there are some standard causes, and all can be fixed at reasonable costs.
Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.
I hope that you will become a participating member in the Forum's discussions.
Pics, please.
Please give us some additional description regarding your 'GM clunk', as there are some standard causes, and all can be fixed at reasonable costs.
Welcome to the forum!
TheAutumnWind
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Steering shaft clunk maybe? ISS does that on a lot of these
wjburken
Supporting Member
I was thinking either that or a motor mount.
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