Noise on acceleration

Hammer75 · Jul 23, 2013

Hey guys, so I am going to try my best to to explain this lol. I believe I have an exhaust leak, which I haven't gotten fixed. Well when I am accelerating, and I hit about 30 or so and am revving around 2500-3000 RPM's I get this terrible noise! I can explain it a few different ways, it sounds like a gargle sound thats coming from metal. The other possible sound is like a rattling sound. Like I said, this only happens when I get on it a little bit. Doesn't happen if I am easy on it. ANYONE have any insight on what the hell is goin on!? If you need any more info let me know and I will try my best to give all I can. Thanks for your help!!

Jhight71 · Jul 23, 2013

What year is your truck? I have a 2011 that makes a similar sound and was told to me by the dealer that the driveshaft vibrates, creating the noise. The fix they suggested was to take it to a specialist shop and have the driveshaft foam filled to stop the outer part of the driveshaft from vibrating against the inner...

Hammer75 · Jul 23, 2013

Its a 2009, has about 61k miles

Casper · Jul 23, 2013

Hammer75 said:
Hey guys, so I am going to try my best to to explain this lol. I believe I have an exhaust leak, which I haven't gotten fixed. Well when I am accelerating, and I hit about 30 or so and am revving around 2500-3000 RPM's I get this terrible noise! I can explain it a few different ways, it sounds like a gargle sound thats coming from metal. The other possible sound is like a rattling sound. Like I said, this only happens when I get on it a little bit. Doesn't happen if I am easy on it. ANYONE have any insight on what the hell is goin on!? If you need any more info let me know and I will try my best to give all I can. Thanks for your help!!

No idea
Humorous thought:
It's the wife of the driver of a little hybrid clown car caught underneath your truck yelling at her husband. :jnono:

Jhight71 · Jul 23, 2013

Hammer75 said:
Its a 2009, has about 61k miles

It may be the same trouble.... Mine started at 5k mi... Have 45k now and it has gotten louder over time...

adventurer · Jul 26, 2013

Just today noticed that i have the same issue its as rattling sound when hard acceleration only ,,,

I want to check if there are heat shields covering the manifold like on my 06 ram maybe from them

adventurer · Jul 27, 2013

Found it on my truck its Manifold gasket leak and one of the bolts broken and stuck inside

adventurer · Jul 28, 2013

Bolt fixed no leak now but still have the sound on hard acceleration , checked everything and no clue where this sound come from,,

Hammer75 · Jul 29, 2013

adventurer said:
Found it on my truck its Manifold gasket leak and one of the bolts broken and stuck inside

Thats what I thought mine was cause I have the exhaust leak as well. Too bad to hear you fixed the leak and it didn't fix the sound.

adventurer · Jul 29, 2013

Hammer75 said:
Thats what I thought mine was cause I have the exhaust leak as well. Too bad to hear you fixed the leak and it didn't fix the sound.

I will keep digging till i find out what it is , i will post when i find it , i will check the drivers side manifold and connections might be another leak there

Hammer75 · Jul 29, 2013

I was wondering, could something be in my Cat that is rattling around when I start pushing extra air through?

adventurer · Jul 29, 2013

check the cats to be sure , i just checked the cats nothing wrong but i found lose bolt on joint between cat and manifold (driver side )i tightened it but still didnt drive the truck to know if noise gone or not

Hammer75 · Jul 29, 2013

Let me know if you are gettin anything to work. I don't have my truck so I wont have a chance to get under it until mid week or so.

adventurer · Jul 29, 2013

Hammer75 said:
Let me know if you are gettin anything to work. I don't have my truck so I wont have a chance to get under it until mid week or so.

I will post as soon as i try the truck

adventurer · Jul 30, 2013

i took the truck for a spin and the sound gone , so it was a manifold leak plus the rattling sound was from the joint between the cat and manifold i guess when on hard acceleration the metal rattle because the bolt was lose , so now i don't have the ticking sound at start up when engine cold and no rattling sound on hard acceleration.
I HOPE THAT WHAT I HAVE DONE WILL HELP ALL OF YOU WHO HAVE THIS RATTLING SOUND, GOOD LUCK AND PLEASE POST IF IT WAS THE SAME ISSUE.

Hammer75 · Jul 30, 2013

Thank you so much for being the guinea pig on all this!! I will get on this, this week and report back.

Fsh4lf · Nov 10, 2015

It's an old thread but on mine it was a tab on the top of the pipe after the cats where the u bracket joins the straight pipe. It was just holding the bracket prior to being fastened in manufacturing . I took pliers and bent it back and it came right off. Serves no purpose once the u bracket is on. Even if u don't break it just bend it away from the bracket.. Clatter gone

jasonw · Nov 10, 2015

Fsh4lf said:
It's an old thread but on mine it was a tab on the top of the pipe after the cats where the u bracket joins the straight pipe. It was just holding the bracket prior to being fastened in manufacturing . I took pliers and bent it back and it came right off. Serves no purpose once the u bracket is on. Even if u don't break it just bend it away from the bracket.. Clatter gone

Yup, +1. Just did the same on my 2013, fixed my exhaust rattle at certain RPM ranges.

atc06jh · Mar 9, 2017

Fsh4lf said:
It's an old thread but on mine it was a tab on the top of the pipe after the cats where the u bracket joins the straight pipe. It was just holding the bracket prior to being fastened in manufacturing . I took pliers and bent it back and it came right off. Serves no purpose once the u bracket is on. Even if u don't break it just bend it away from the bracket.. Clatter gone

This is OLD, but I noticed the issue with mine a couple of days ago. Got online and started looking around and YouTube gave me this idea first. Just went out and broke it off. Hoping it fixes the issue, but it didn't seem to be hitting anything as the bracket is completely rusted over. If this isn't the fix, then on to the next.

jbr · Mar 10, 2017

My 2013 just started doing this last month.
Any other pics.

Noise on acceleration

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