Diagnose this noise please.

sabre · 02-20-2006, 10:22 AM

I used my voice recorder on my mp3 player this morning to record the sounds from my truck. 2001 sr5 with 59k. It started a few weeks ago. Sounds like static or rattling. Inside the truck it sounds as if something is loose in the plastic around the cd player but its not. It starts around 35mph and goes away on braking. I dont tend to notice it if its raining. Like something gets wet and it stops making the sounds. Any input would be great.

1st file

2nd file

Thanks

This ad is not displayed to registered members.
Register your free account today and become a member on Yotatech!

Flamedx4 · 02-20-2006, 10:48 AM

It sounds like John Lennon if you play it backwards...

sabre · 02-21-2006, 05:16 AM

Noone has had this sound? I have been reading about greasing up zerks and was wondering if this was the culprit? My truck sopunds like a race car also. Loud noise uder the driver seat when accelerating. That combined with the rattling is getting me nervous. I guess ill have to bring it in somewhere.

Rick F. · 02-21-2006, 06:24 AM

Darn near impossible to diagnose that just from your sound clips. We'd just be WAGing (wild ass guessing). If you've ruled out mechanical noise from the CD player, have you tried pulling the CD player fuse to see if it's an electrical noise? That's a good example of a WAG...

sabre · 02-21-2006, 09:52 AM

Quote:

Originally Posted by Rick F.

Darn near impossible to diagnose that just from your sound clips. We'd just be WAGing (wild ass guessing). If you've ruled out mechanical noise from the CD player, have you tried pulling the CD player fuse to see if it's an electrical noise? That's a good example of a WAG...

I understand. I was just hoping someone experienced this. There has been talk going on about the zerks needing to be lubed and was hoping for some insight as to if this is the sound they get when they arent lubed. Shot in the dark, I know but worth it at a place like this. Seems like someone at sometime has had a problem another member comes across.

Flamedx4 · 02-21-2006, 11:40 AM

I listened and listened...
Were you driving or just in neutral at the time?
I agree with Rick, from those sound clips it's not really possible to tell much.

But it sounds like I hear a couple of things that I wouldn't like. First, the exhaust seems simply louder than it should be, but the mike may just pick it up that way. Second, there's a sort of rattly/vibraty sound that sounds to me a bit like a faulty muffler (internal baffle came apart sort of noise.) But at other times it changes and sounds more like a harmonic vibration - heat shield for the cat rattling - something like that. Then at other times it sounds more like speaker static. Really hard to guess. You are there, can't you tell where it's coming from? An old trick that may help - get a paper towel tube and use it like a stethoscope to isolate the sounds.

Then there's a spot where it sounds a bit like there's a u-joint grinding. (This of course would only happen if you were driving when you made the recording.)

By the way, the zerks don't need grease, the zerk fittings allow you to grease things that DO need grease... (jus' givin' you a hard time.) Ball joints, tie rod ends, driveshaft, u-joints etc. Although on newer rigs so many of those don't have grease fittings anymore - they just have to be replaced when they age out.

sabre · 02-21-2006, 12:01 PM

This was recorded while highway driving. I cant figure out where it is coming from because it only happens once I hit 35mph or so. I was oing between 60 and 70 when I recorded it.

The exhaust does sound louder now. Like a sports car. Its a roaring type noise in the drivers seat.

The rattling/static sound is what happens at 35mph. Goes away when I brake. Everything on the recorder is what I hear in my truck. Wish I knew more about this stuff but I am not mechanically inclined when it comes to autos.

02-20-2006, 10:48 AM	#2 (permalink)
Flamedx4 Registered User Join Date: May 2004 Location: 100 miles offshore as much as possible, & Springfield Oregon USA Posts: 3,285	It sounds like John Lennon if you play it backwards... __________________ All my Yotas are gone. Stuff to sell: http://www.yotatech.com/showthread.p...39#post1009839 -Phil

02-21-2006, 05:16 AM	#3 (permalink)
sabre Contributing Member Join Date: Apr 2003 Location: Rochester,NY Posts: 770	Noone has had this sound? I have been reading about greasing up zerks and was wondering if this was the culprit? My truck sopunds like a race car also. Loud noise uder the driver seat when accelerating. That combined with the rattling is getting me nervous. I guess ill have to bring it in somewhere. __________________ '01 SR5 4x4 Millenium Silver Added ♠ Roofrack ♠ Sunroof wind deflector ♠ Ventvisor ♠ Clear corners ♠ Clear turns ♠ Clear bug deflector ♠ Color matched running boards ♠ JVC-KD-SH99 MP3 player deck (Silver of course) Foremost Web Hosting

02-21-2006, 06:24 AM	#4 (permalink)
Rick F. Registered User Join Date: Nov 2002 Location: Far western Kentucky (transplanted from central PA) Posts: 1,063	Darn near impossible to diagnose that just from your sound clips. We'd just be WAGing (wild ass guessing). If you've ruled out mechanical noise from the CD player, have you tried pulling the CD player fuse to see if it's an electrical noise? That's a good example of a WAG... __________________ '00 SR5, Desert Dune: 4" Deckplate, Amsoil TS-115, Bilsteins, Brembo rotors w/Performance Friction pads, Fiam Highway Blasters, Sylvania Silverstars, Hella Micro DE Fog Lights w/Hella Yellow Star Lamps - SOLD 1/24/09 '08 Sport, Salsa Red: Hella Optilux fogs, Silverstar Ultra Hi beams. Pending: Borla dual catback, CAI, shocks

02-21-2006, 11:40 AM	#6 (permalink)
Flamedx4 Registered User Join Date: May 2004 Location: 100 miles offshore as much as possible, & Springfield Oregon USA Posts: 3,285	I listened and listened... Were you driving or just in neutral at the time? I agree with Rick, from those sound clips it's not really possible to tell much. But it sounds like I hear a couple of things that I wouldn't like. First, the exhaust seems simply louder than it should be, but the mike may just pick it up that way. Second, there's a sort of rattly/vibraty sound that sounds to me a bit like a faulty muffler (internal baffle came apart sort of noise.) But at other times it changes and sounds more like a harmonic vibration - heat shield for the cat rattling - something like that. Then at other times it sounds more like speaker static. Really hard to guess. You are there, can't you tell where it's coming from? An old trick that may help - get a paper towel tube and use it like a stethoscope to isolate the sounds. Then there's a spot where it sounds a bit like there's a u-joint grinding. (This of course would only happen if you were driving when you made the recording.) By the way, the zerks don't need grease, the zerk fittings allow you to grease things that DO need grease... (jus' givin' you a hard time.) Ball joints, tie rod ends, driveshaft, u-joints etc. Although on newer rigs so many of those don't have grease fittings anymore - they just have to be replaced when they age out. __________________ All my Yotas are gone. Stuff to sell: http://www.yotatech.com/showthread.p...39#post1009839 -Phil Last edited by Flamedx4; 02-21-2006 at 11:41 AM.

02-21-2006, 12:01 PM	#7 (permalink)
sabre Contributing Member Join Date: Apr 2003 Location: Rochester,NY Posts: 770	This was recorded while highway driving. I cant figure out where it is coming from because it only happens once I hit 35mph or so. I was oing between 60 and 70 when I recorded it. The exhaust does sound louder now. Like a sports car. Its a roaring type noise in the drivers seat. The rattling/static sound is what happens at 35mph. Goes away when I brake. Everything on the recorder is what I hear in my truck. Wish I knew more about this stuff but I am not mechanically inclined when it comes to autos. __________________ '01 SR5 4x4 Millenium Silver Added ♠ Roofrack ♠ Sunroof wind deflector ♠ Ventvisor ♠ Clear corners ♠ Clear turns ♠ Clear bug deflector ♠ Color matched running boards ♠ JVC-KD-SH99 MP3 player deck (Silver of course) Foremost Web Hosting

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
help me diagnose this sound	bluechip932	95.5-2004 Tacomas & 96-2002 4Runners	14	04-06-2007 11:39 PM
Help me diagnose a vibration	li_runner	95.5-2004 Tacomas & 96-2002 4Runners	2	08-15-2006 01:42 PM
Help diagnose noise	curtiswyant	86-95 Trucks & 4Runners	4	06-29-2006 01:46 PM
Help me diagnose "roaring" noise from front driver area	mjwalfredo	95.5-2004 Tacomas & 96-2002 4Runners	33	03-02-2006 03:33 PM
help me diagnose	jacksonpt	95.5-2004 Tacomas & 96-2002 4Runners	2	09-06-2002 07:53 PM