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08-31-2006, 06:29 PM
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Hummer Professional
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Join Date: Dec 2004
Location: 2 clicks north of Houston
Posts: 412
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Muffler bearings
After 60K+ miles of squeaky door panels, running over small cars and way to many gallons of gas burned, I have encountered my first problem with my 05. Muffler bearings are bad. Sounds like hell. I was parking in the garage when I heard this sound which was like ball bearings inna tin barrel bouncing around. I thought it was transmission/drive case origined. After putting Kong in park and slowly increasing rev of the engine, I noticed the sound got a little louder,then dissapeared. Came back at idle. Ouch-maybe converter? So i slid under the beast with my Klein knock sensor tool. Placing the screwdriver to my ear, then the metal tip to the engine, I heard no problems...just a nice whirring of GM power. Check transmission-Nope. T-Case? Nope. Damn...guess Ill listen to the exhaust. DAMN! Loud as hell..and louder towards the muffler. A listen to the muffler confirmed my sounds origin..the muffler is rattling-must have broken a spot weld inside.
On the better side, this now allows me to make that Zoomers exhaust system buy I wanted. X-pipe, here I come!
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Had-94,96,98,99 Cobra Stang,99 Navigator,03 Expy, 05 H2
Have-08 Titan C/C,06 GCSRT-425FTLB & AWD, other junk..
Want-08 Viper, 06 M5 
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08-31-2006, 06:50 PM
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Hummer Messiah
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Join Date: Apr 2003
Location: Virginia Beach
Posts: 37,474
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Re: Muffler bearings
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Originally Posted by Fastest H-Town Realtor
After 60K+ miles of squeaky door panels, running over small cars and way to many gallons of gas burned, I have encountered my first problem with my 05. Muffler bearings are bad. Sounds like hell. I was parking in the garage when I heard this sound which was like ball bearings inna tin barrel bouncing around. I thought it was transmission/drive case origined. After putting Kong in park and slowly increasing rev of the engine, I noticed the sound got a little louder,then dissapeared. Came back at idle. Ouch-maybe converter? So i slid under the beast with my Klein knock sensor tool. Placing the screwdriver to my ear, then the metal tip to the engine, I heard no problems...just a nice whirring of GM power. Check transmission-Nope. T-Case? Nope. Damn...guess Ill listen to the exhaust. DAMN! Loud as hell..and louder towards the muffler. A listen to the muffler confirmed my sounds origin..the muffler is rattling-must have broken a spot weld inside.
On the better side, this now allows me to make that Zoomers exhaust system buy I wanted. X-pipe, here I come!
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You may have to use the left-handed monkey wrench to remove the exhaust. 
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"My reading of history convinces me that most bad government results from too much government."---Thomas Jefferson
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08-31-2006, 07:05 PM
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Hummer Expert
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Join Date: Aug 2004
Location: Kansas City
Posts: 963
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Re: Muffler bearings
There is actually a small grease fitting located on the top of the muffler that needs to be greased. They never do it when you take it in for an oil change and lube because the exhaust and muffler needs to be removed to get at the fitting. I'd try that first before you get a whole new exhaust... 
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'04 H2
'07 Vette
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08-31-2006, 07:07 PM
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Hummer Authority
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Join Date: Sep 2005
Location: Texas
Posts: 1,795
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Re: Muffler bearings
Mine broke off while wheeling
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Originally Posted by Marcmedic
There is actually a small grease fitting located on the top of the muffler that needs to be greased. They never do it when you take it in for an oil change and lube because the exhaust and muffler needs to be removed to get at the fitting. I'd try that first before you get a whole new exhaust... |
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08-31-2006, 07:21 PM
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Banned
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Join Date: Jan 2003
Posts: 24,247
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Re: Muffler bearings
it requires the 90 degree elbow zerk
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08-31-2006, 07:35 PM
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Hummer Authority
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Join Date: Sep 2005
Location: Texas
Posts: 1,795
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Re: Muffler bearings
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Originally Posted by PARAGON
it requires the 90 degree elbow zerk
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That's a better idea than flipping over the muffler and exposing it like I did. |
08-31-2006, 09:48 PM
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Hummer Authority
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Join Date: Oct 2004
Location: Houston, TX
Posts: 1,290
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Re: Muffler bearings
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Originally Posted by PARAGON
it requires the 90 degree elbow zerk
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Is that due to the incompatibility of the stock zerk and the Fabtech tie-rods? |
08-31-2006, 10:07 PM
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Hummer Messiah
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Join Date: Apr 2003
Location: Virginia Beach
Posts: 37,474
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Re: Muffler bearings
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Originally Posted by TXSUT
Is that due to the incompatibility of the stock zerk and the Fabtech tie-rods?
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Yes. Plus he has the Tornado thingy, too. He's in trouble.
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"My reading of history convinces me that most bad government results from too much government."---Thomas Jefferson
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08-31-2006, 10:12 PM
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Banned
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Join Date: Jan 2003
Posts: 24,247
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Re: Muffler bearings
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Originally Posted by KenP
Yes. Plus he has the Tornado thingy, too. He's in trouble.
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Yep, I learned, you need to put in the elbow fitting THEN grease the muffler THEN slide the tornado thingy into the tailpipe. Sliding in dry is a bad deal |
08-31-2006, 10:19 PM
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Hummer Expert
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Join Date: Aug 2004
Location: Kansas City
Posts: 963
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Re: Muffler bearings
Quote:
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Originally Posted by PARAGON
Yep, I learned, you need to put in the elbow fitting THEN grease the muffler THEN slide the tornado thingy into the tailpipe. Sliding in dry is a bad deal
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I just use saliva...are we still talking about the muffler bearings?
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'04 H2
'07 Vette
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08-31-2006, 10:23 PM
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Hummer Veteran
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Join Date: Aug 2006
Posts: 61
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Re: Muffler bearings
Do iz need ta ax fagy Al to chang minz? Hez gotn time cuz he dont liks mi phat azz meat walet no how.
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I wuz band frum da View. Barbar cracka-head Waters didit two me.
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09-01-2006, 04:29 AM
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Hummer Veteran
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Join Date: Aug 2006
Location: TEXAS!
Posts: 69
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Re: Muffler bearings
I had to replace mine! I also changed the blinker fluid just to be safe....  |
09-01-2006, 04:41 AM
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Hummer Guru
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Join Date: Oct 2005
Location: I CAN BARELY SEE THE ROAD...
Posts: 4,624
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Re: Muffler bearings
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Originally Posted by Star Jones
Do iz need ta ax fagy Al to chang minz? Hez gotn time cuz he dont liks mi phat azz meat walet no how.
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YES! |
09-01-2006, 05:50 AM
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Hummer Expert
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Join Date: Jul 2006
Posts: 691
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Man! Don't you know nothing?
Turn the friggin radio up.
Then, you won't hear the freakin muffler bearings.  |
09-01-2006, 03:17 PM
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Hummer Professional
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Join Date: Mar 2006
Location: Tampa, FL
Posts: 396
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Re: Muffler bearings
Quote:
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Originally Posted by MUD4ME
I had to replace mine! I also changed the blinker fluid just to be safe.... |
I hope you switched to halogen fluid when you did the change...
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No matter how good she looks, someone somewhere is sick and tired of her sh*t!
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