'04 Chevy Colorado, Ext Cab, 4x4, Z71, 53k miles

High pitched, metallic scraping sound whenever I'm passing 1400 RPMs. Sounds like its coming from under, just in front of the cab. Occurs in all gears, not in neutral. I can hear it best when going through 1st gear - not sure if that's part of a symptom or just a fact of other noise covering it up.

4/20/2009 1:12:49 PM

Sounds like it could be the alt/ps/water pump or the idler on the belt driven stuff on the front of the motor.

Pull the belt and see if the noise goes away, if so then spin the accesories till you find one that makes noise or is difficult to spin.

4/20/2009 2:26:10 PM

yep sounds like a pulley, did you just start using the a/c?

4/20/2009 2:28:06 PM

it's been doing it since last october - using heat or a/c didn't change things

4/20/2009 5:05:05 PM

Quote :

"Pull the belt and see if the noise goes away "

4/20/2009 5:26:13 PM

is this automatic or manual?

4/20/2009 7:09:19 PM

catalytic converter heat sheild

4/20/2009 8:03:18 PM

automatic

I'll see about pulling the belt I guess. Don't have the time or tools to do so right now

4/20/2009 9:32:55 PM

your mass air flow sensor is unplugged

4/20/2009 10:34:03 PM

^ your ass is plugged with Ragged's retarded dick from the sound of it

4/23/2009 7:50:45 PM

so wait the big 3 in here are only allowed to make stupid ass fucking posts but when someone else wants to be funny its fuck them?

4/23/2009 9:51:07 PM

this thread is not for hate

4/23/2009 10:41:34 PM

http://www.theaa.com/motoring_advice/audio/drive_belt_slip.mp3

[Edited on April 23, 2009 at 10:42 PM. Reason : lol]

4/23/2009 10:41:55 PM

it is nothing close to that or any type of belt squeak. it's a metallic scraping noise.

4/23/2009 10:47:22 PM

Quote :

"catalytic converter heat sheild"

4/23/2009 11:05:15 PM

thanks for repeating your own, not funny joke.

4/24/2009 7:49:23 AM

^ wtf, actually serious

4/26/2009 12:35:55 AM

Quote :

"Pull the belt and see if the noise goes away, if so then spin the accesories till you find one that makes noise or is difficult to spin."

wait. how am I supposed to do this if the noise only happens when in gear/moving?

^how so

4/26/2009 11:50:02 AM

Take the belt off and drive it around a parking lot for under a min wont hurt a thing. Auto or 5 speed?

4/26/2009 2:26:28 PM

^^there is a metal heat shield around the cat. when you get vibrations at speed, it could start scraping around.

i'm not saying that's what it probably is, just saying that 69's post is legit

4/26/2009 2:36:04 PM

^ok, thanks.

^^thanks, I'll give that a shot sometime. auto.

4/26/2009 2:39:33 PM

just get someone to hang onto the bottom of the truck while driving

4/28/2009 7:07:08 AM

UPDATE:

It has something to do with the muffler/tailpipe being loose/vibrating against something. Got my roommates to help listen & locate. If you grab one of the tail pipe supports and push/pull it the noise changes/goes away depending on how/where you move it...

Guess I'll run it to a shop and have them lift it & weld another support in

5/3/2009 6:01:27 PM

69 was pretty damn close

5/3/2009 6:36:54 PM

Quote :

"catalytic converter heat sheild"

Quote :

"thanks for repeating your own, not funny joke."

not so funny is it now, dipshit

5/3/2009 8:44:14 PM

you're the most helpful dickhead I know.

5/3/2009 8:54:01 PM

i strive to overachieve

[Edited on May 5, 2009 at 7:56 AM. Reason : most people listen the first time]

5/5/2009 7:56:06 AM

another one bites the 69 dust.

5/5/2009 8:24:04 AM

maybe its just common that no one listens to the idiot because he never has anything helpful to say in the first place.

5/5/2009 9:45:24 AM

or the fact that i am always right, but they get numb to your dumbass antics and think everyone in here is an idiot like you

Quote :

"yep sounds like a pulley, did you just start using the a/c?"

wrong wrong wrong

stick to cleaning windshields at jiffy lube scrub

5/5/2009 11:05:40 AM

Quote :

"stick to cleaning windshields at jiffy lube scrub"

wrong wrong wrong

ive never worked there.

5/5/2009 1:31:47 PM

oh thats right, you didnt have the skills, you worked at anal lube

5/5/2009 3:16:34 PM

Quote :

"69.... I feel sorry for you. I really do. I understand. the Internets is your thing. it makes u feel 'big and bad' and you use it to make up for something that you are lacking in your life. shit if i had to look at that ugly mug that ur sporting everyday in the mirror I too would be a dick head on the Internets too. actually, i probably would have cut my face off with a rusty lawn mower blade by now. do yourself a favor and work on improving yourself before you criticize others. "

5/5/2009 3:26:29 PM

going for extracurriculars fellas?

5/5/2009 4:54:12 PM

just pointing out the fact that once again i was right on and ragged has no idea wha the fuck he was talking about

[Edited on May 5, 2009 at 7:39 PM. Reason : lolz]

5/5/2009 7:33:17 PM

well I finally stopped by Bob's this afternoon. got there and 5 minutes later I was leaving with the problem solved. the guy just welded in a new support which fixed the excess movement of the tail pipe + vibrating. he wasn't even going to charge me anything (though it's not like it took any amount of time or materials), but I still gave him some money, which I'm hopeful that he just pocketed.

+1 for Bob's

6/1/2009 8:16:26 PM

i bet you offered him an HJ

7/4/2009 1:52:13 PM

no

7/5/2009 3:05:41 PM

another pad

7/6/2009 8:29:52 PM

yep

7/6/2009 9:13:05 PM

skillz ftw

7/14/2009 7:04:12 PM

lol@this thread.

not lol @ the noise coming back. previously welded bar is still there... but the rattling is back. who can take a look at this? or should I just go back to Bob's?

5/4/2010 3:11:17 PM

?

5/5/2010 10:20:18 AM