Small thud on initial acceleration. 08 Titan Flex LE. Need help troubleshooting. - Nissan Titan Forum
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post #1 of 4 (permalink) Old 05-05-2019, 07:35 AM Thread Starter
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Small thud on initial acceleration. 08 Titan Flex LE. Need help troubleshooting.

Hello,

So I noticed when I bought this titan with 86,000 miles, that it had a small "thud" when accelerating, as if something in the drivetrain is "catching". Once in a while, I can feel the "thud" when I come to a complete stop and the suspension settles. but not all the time. Again it is not audible to the ears, but felt when accelerating.

I have replaced the following based on keeping it safe: but am sick of spending money just to get rid of something that seems like it isn't affecting the truck negatively. Have driven this truck to 98,000 from 86,000 with no noticeable issues, other than the fact it feels weird upon that initial acceleration.

It also seems to completely go away in the winter months when average temperatures are in the 30s and 40s. Which I don't understand at all.

Carrier Bearing
U-Joints
All suspension and bushings inspected.
2 alignments, which indicate the truck stays within normal specs.

I have jacked the vehicle up, and shifted into gear. The thud is not there unless the vehicle is actually driven. I really hate it.

Thanks!
Greg
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post #2 of 4 (permalink) Old 05-05-2019, 05:09 PM
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Re: Small thud on initial acceleration. 08 Titan Flex LE. Need help troubleshooting.

It's not the 2 rubber utili-trac covers in the bed floor is it? Mine does that too, call them the 2 thumpers.

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post #3 of 4 (permalink) Old 05-05-2019, 07:44 PM
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Re: Small thud on initial acceleration. 08 Titan Flex LE. Need help troubleshooting.

Quote:
Originally Posted by PanAm Ken View Post
It's not the 2 rubber utili-trac covers in the bed floor is it? Mine does that too, call them the 2 thumpers.
Yep. Thump on accelerate and louder thump on hard braking if the tabs are broken off.

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post #4 of 4 (permalink) Old 05-13-2019, 08:23 PM
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Re: Small thud on initial acceleration. 08 Titan Flex LE. Need help troubleshooting.

Here is an old thread that might give you an answer. Page 2 has some good possibilities. Good luck.

https://www.titantalk.com/forums/tit...eleration.html
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