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07-03-2012, 12:56 PM
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Hummer Veteran
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Join Date: Apr 2012
Location: boston,ma
Posts: 130
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What the heck is this sound?
"http://www.youtube.com/embed/EOOtwsbtYw4"
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07-03-2012, 01:15 PM
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Hummer Professional
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Join Date: Feb 2003
Location: Outside Philadelphia, PA USA
Posts: 265
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Re: What the heck is this sound?
almost sounds like a broken exhaust manifold bolt. Check the rear one(s) drivers side. Sounds is a bit different then mine, which has this issue, but guessing that is the cause.
Last edited by Joe : 07-03-2012 at 01:18 PM.
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07-03-2012, 01:46 PM
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Hummer Veteran
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Join Date: Apr 2012
Location: boston,ma
Posts: 130
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Re: What the heck is this sound?
From one Joe to another.LOL(We share the same name). Thanks for listening, I hope that's all it is.What about the Oil pressure? Is that normal?
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07-03-2012, 02:23 PM
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Hummer Authority
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Join Date: Jan 2008
Location: Gaithersburg, MD
Posts: 1,763
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Re: What the heck is this sound?
Quote:
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Originally Posted by Joe
almost sounds like a broken exhaust manifold bolt. Check the rear one(s) drivers side. Sounds is a bit different then mine, which has this issue, but guessing that is the cause.
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DTOM
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07-03-2012, 03:44 PM
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Hummer Professional
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Join Date: Feb 2003
Location: Outside Philadelphia, PA USA
Posts: 265
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Re: What the heck is this sound?
Oil Pressure? Not sure, no reference in video so not sure what your experiencing. In my case I have not seen a change to the oil pressure with the busted manifold bolt, certainly the sound you are experiencing.
if your seeing an oil pressure issue may be some other issue then the manifold bolt. Given the sound cadence with throttle check your belts, pulleys, and tension otherwise I''m guessing your in the motor and I'll leave that to far more knowledgable folks to troubleshoot.
Last edited by Joe : 07-03-2012 at 03:48 PM.
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07-03-2012, 04:35 PM
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Hummer Expert
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Join Date: Mar 2009
Location: Burnsville, MN
Posts: 657
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Re: What the heck is this sound?
exhaust leak..
if you listen.. you can get the timing to it.
check your header bolts...
seems to be a rash of these popping up again
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2003 Black Hummer H2 Adventure Package
4.88 gears *** Cognito UCA & SwayBar Links *** Kryptonite tie rods *** K&N CAI *** 37x12.50xR20 BFG KM2 Mud Terrain's *** 20x10 Black KMC Rockstars *** EBC Slotted Rotors *** N-FAB Sidesteps *** Line-X Grill *** Recon Smoke Cab Lights ***Diablo Predator U7193
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07-04-2012, 04:32 AM
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Hummer Veteran
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Join Date: Nov 2011
Posts: 163
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Re: What the heck is this sound?
Make sure you get the updated header bolts from GM when you change them.
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07-04-2012, 09:56 PM
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Hummer Veteran
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Join Date: Mar 2012
Location: West Texas
Posts: 205
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Re: What the heck is this sound?
I've got this sound as well.
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07-04-2012, 10:40 PM
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Hummer Veteran
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Join Date: Mar 2012
Location: West Texas
Posts: 205
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Re: What the heck is this sound?
Actually just checked mine. Drivers side rear bolt on manifold was indeed loose. And it will not tighten. Looks like it's broken. Sigh
Last edited by ryaleon : 07-04-2012 at 11:26 PM.
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07-05-2012, 11:43 AM
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Hummer Veteran
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Join Date: Apr 2012
Location: boston,ma
Posts: 130
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Re: What the heck is this sound?
Quote:
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Originally Posted by ryaleon
Actually just checked mine. Drivers side rear bolt on manifold was indeed loose. And it will not tighten. Looks like it's broken. Sigh
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Ditto.Now I have an excuse to have my entire exhaust upgraded.Headers on back. Just have to find someone to do the work. |
07-07-2012, 05:46 PM
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Moderator
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Join Date: Jan 2012
Posts: 728
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Re: What the heck is this sound?
I swear I must be jinx'ed
Seems like the minute someone on this forum has an issue, my truck gets it too.
Looks like I have a leak too. UGH!!!
If I didnt love this truck
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