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Need some help

razortray

Well-Known Member
Messages
91
Location
Arkansas
So my h3 has been making a metal on metal vibrating sound between 10-15mph not Matter if Iam speeding up or slowing down. So I figured I'd climb underneath and take a look maybe another heat shield loose. Checked everything. Couldn't find anything low or out of place but find this instead this can't be right
32476496676b4a1ba252909a9f4bdabf.jpg
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Iam sure there is supposed to cover plate or maybe even a rubber grommet I am missing no telling how long it's been like that. What am I missing and now that the internals have been subject to the weather for no telling how long is there anything else I should check? Is its safe to drive like this? Still haven't located my obnoxious noise either. Also realized that my tranny dip stick had just about wiggled itself off of the hole where it goes into the tranny hints all of the thick residue in the pics.

Saturday night coming back from deer camp I also a had a very loud noise coming from the rear of the vehicle. I was worried it was the rear end but it that were the case wouldn't it being rattling or making noise all the time. Here is the video I took will driving 10mph with my phone out of the window.
https://vimeo.com/142152312
This is the first time it's done this I was going about 15mph while recording if I would speed up or slow down It would stop. I pulled my rear axle fill plug the next morning fluid is full when I get some time I plain to pull the bottom plug flush it and see if there are any metal shavings... Anyone else have some input on these issues? I have been contemplating on trading it in on a tahoe. Really like my h3 but maybe the time has come


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Last edited:

jphh20

Well-Known Member
Messages
173
Location
CT
Do you get a vibration with the noise? Like in the steering wheel, pedals or seat? I went out and took a picture of my 06 for you and it is a rubber plug.
1b5b98263ba8d942c70b966da754eed5.jpg


It looks like your flex plate and starter are exposed to the elements. I would order a plug and inspect up there for corrosion etc.




Joe
 

razortray

Well-Known Member
Messages
91
Location
Arkansas
I ordered a new plug for mine thank you for the help. The dealer told me there was a plug there but they fall out all the time it wasn't a big deal. Iam baffled by this I travel a lot of gravel roads to get to deer camp with hunting season right around the corner it has me worried. If a rock some how managed to make its way in there I don't see it ending very well. And when I hear the metal I don't get any vibrations in the seat or wheel. It just sounds like something it vibrating against something else it is frustrating me. I only hear it from 10-15mph then it's gone. It's loud enough my Neighboor asked me what was wrong worth my hummer yesterday evening.


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Last edited:

razortray

Well-Known Member
Messages
91
Location
Arkansas
Well good thing I called to confirm the part #. My parts guy order the wrong part he ordered gm part #24205899 which is the small circle torque converter access hole plug. He is supposed to call me back with the correct part # and price.


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razortray

Well-Known Member
Messages
91
Location
Arkansas
Ok the gm part # is 12569419
He called it the oil pan hole plug. $7 pick it up and installed it. Now to deal with the rest of my issues...[emoji19]


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razortray

Well-Known Member
Messages
91
Location
Arkansas
I've researched all he forums and googled myself to death I found this link which my be beneficial to some of y'all
http://www.355nation.net/forum/serv...yon.html#/forumsite/20855/topics/16553?page=2

I checked every single one of my heat shields ReTightened them all none were broke. So still lost for words. I plan to pull the wheels in the next couple of days and see if the dust covers are lose after that I plan to take it to the local gm dealer just hate to do that and end up paying a arm and a leg over something simple



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alrock

El Diablo
Staff member
Messages
10,677
Location
Scottsdale
Exhaust hitting the frame? Does it make the sound when coasting? Could be a broken hangar, loose exhaust bolts, broken motor mount. Any grease visible around the front driveshaft where it comes out of the transfer case? Had sounds like that when that CV went.
 

brokenaxle

Member
Messages
8
Location
Nor Cal
It sounds like an exhaust rattle to me. Check the exhaust pipe. If there is any real shiny patches that's where it is rubbing.

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razortray

Well-Known Member
Messages
91
Location
Arkansas
Have been very busy plan to take a look at it again tomorrow and I will update y'all thanks


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650Hawk

Well-Known Member
Messages
548
Location
SoCal
Yup, sounds like exhaust to me, too. If it's not heat shields, perhaps the innards of the catalytic converter coming apart?
 

razortray

Well-Known Member
Messages
91
Location
Arkansas
I removed the front bumper to install my 30" light bar on the right side all four bolts holding the bumper to the frame were missing noticed a lot metal on metal rubbing on the back side of the bumper. Installed the four bolts drove it around and no more noise from the front.
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also installed the rubber piece that was missing from my transmission housing


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