Jessel262 Posted December 10, 2016 Share Posted December 10, 2016 My 2015 2500 4x4 with 19k miles seems to make a clunk under the truck towards the back, kinda sounds like I have a 5 pound weight is in the bed and it gets airborne a foot and slams back down, exhaust Dosent seem loose, and it doesn't do it when I bounce up and down on bumper.any ideas? Link to comment Share on other sites More sharing options...
SouthpawHD Posted December 10, 2016 Share Posted December 10, 2016 Spare tire loose? Link to comment Share on other sites More sharing options...
Jessel262 Posted December 10, 2016 Author Share Posted December 10, 2016 No Link to comment Share on other sites More sharing options...
Silverado4x4 Posted December 10, 2016 Share Posted December 10, 2016 My 2015 2500 4x4 with 19k miles seems to make a clunk under the truck towards the back, kinda sounds like I have a 5 pound weight is in the bed and it gets airborne a foot and slams back down, exhaust Dosent seem loose, and it doesn't do it when I bounce up and down on bumper.any ideas? Check your tailgate, might not be latched all the way. Link to comment Share on other sites More sharing options...
Jessel262 Posted December 10, 2016 Author Share Posted December 10, 2016 No it's underneath the truck driving me nuts, leaf springs rear end ? Link to comment Share on other sites More sharing options...
GMCustomerService Posted December 13, 2016 Share Posted December 13, 2016 My 2015 2500 4x4 with 19k miles seems to make a clunk under the truck towards the back, kinda sounds like I have a 5 pound weight is in the bed and it gets airborne a foot and slams back down, exhaust Dosent seem loose, and it doesn't do it when I bounce up and down on bumper.any ideas? Hello Jessel262, I regret to hear about this clunk concern associated with your Silverado. Have you had the opportunity to address this with your dealer? If not, we'd like the opportunity to reach out to your dealer on your behalf. In order to move forward, please send us your VIN, contact information, mileage and preferred GM dealer. Regards, Anthony J. GM Customer Care Link to comment Share on other sites More sharing options...
15dmax978 Posted December 17, 2016 Share Posted December 17, 2016 Jessel i believe its your ebrake cable running through the bracket located around the driver rear wheel on frame. I was havibg similar issues drove me bananas. Ended up with some peel n stick rubber from work and cu it down to size wrapped around cable fixed my rattle noise over bumps Link to comment Share on other sites More sharing options...
Retired4ever Posted January 11, 2017 Share Posted January 11, 2017 rear leaf spring slap between the main spring and the first leaf. poorly made with little quality control. becoming an issue with many 2500s from 07 to current. replacing the spring will only help in the short term as the noise will return . only fix I found was placing a piece of small rubber hose between the main and 1st leaf at the rear spring pad, held in place with a zip tie through the hose around the first leaf. 2 trucks done this way. sucks on a new expensive vehicle. next we'll be using duct tape and chewing gum ! Link to comment Share on other sites More sharing options...
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