Mach 1 vibrations?

04MachOne · April 3rd, 2010, 08:08 AM

I got my 04 mach 1 this week and noticed that when it hits around 22-2300 rpms, it'll make some like scratching noise. Sounds like it's coming from the rear passenger side of the car. Anyone have any idea what this is or if it's a big deal? Thanks.

The_Frid · April 3rd, 2010, 09:22 AM

can you be more specific? what kind of scratching? metal on metal scratching ?

04MachOne · April 3rd, 2010, 04:07 PM

Not really sure sounds like a high pitched vibration almost. Or like ripping tape off of something. haha It seems to be around 2500 rpms but only when I'm gassing, when I slowly pass 24-2500 it doesn't do it.

Mustang02gt · April 4th, 2010, 12:06 PM

maybe change your rear diff fluid and check for metal shavings. least that point you could some what narrow it down after that.

bluestang41505 · April 4th, 2010, 12:34 PM

Check your exhaust and make sure its all tight and the hangers too. Those rpm's is around the "drone" part witch would vibrate the exhaust alot. at least i think so

04MachOne · April 4th, 2010, 03:27 PM

I'll be sure to check those thanks guys. I did notice the right exhaust pipe hangs a little lower than the left so that might be it.

Crisco · April 5th, 2010, 12:36 PM

Could it possibly be the driveshaft?

M.P. Cobra Fan · April 5th, 2010, 12:53 PM

Drive shaft will cause vibrations at certain RPMS if it is out of balance.

97mustanggt · April 5th, 2010, 01:00 PM

how would you ballance out a driveshaft i have this problem?

M.P. Cobra Fan · April 5th, 2010, 01:05 PM

Remove the driveshaft and take it to a driveshaft shop.

97mustanggt · April 5th, 2010, 01:15 PM

serious?...because i remember i did my clutch job and when i put back tha drive shaft at 2600rpms it vibrates till i go 2 higher into tha rpms...how much do they charge and wat do they do to them?

M.P. Cobra Fan · April 5th, 2010, 01:17 PM

All of them charge different prices. It is pretty much like balancing a tire. lol

As for your situation, I have seen cases that you can actually remove the driveshaft, rotate it and the reinstall it to get it to balance back out if it was balanced before you removed it the first time.

97mustanggt · April 5th, 2010, 01:26 PM

yea cuz i did remove it an turned it but im guessing i need to turn it again...i dont even know if theres a drive shaft shop around here

04MachOne · April 5th, 2010, 09:38 PM

Originally Posted by 97mustanggt

yea cuz i did remove it an turned it but im guessing i need to turn it again...i dont even know if theres a drive shaft shop around here

Yours is sounding like this at a specific rpms as well when you're gassing it? If I very slowly accelerate pass the rpms it does this at it won't do it, but when I'm say accelerating normal it will. It won't do it while sitting still revving it up past the certain rpms.

97mustanggt · April 6th, 2010, 10:54 AM

ill be driving normaly and when i get to like 2600 theres a vibration then goes away if i got past 2600rpms

04MachOne · April 6th, 2010, 02:26 PM

Well yesterday I had to put my seats down in the back to put something in and when I drove it with the back seats down I noticed that it was coming from somewhere in the trunk. It must just be something loose or something of that sort back there.

281 4v FTW · April 7th, 2010, 03:23 PM

I actually have the same problem at around 2000 rpm. sounds like something vibrating.

04MachOne · April 7th, 2010, 04:47 PM

I'm pretty sure mines coming from the trunk, put your seats down and see if ya'lls is coming from the same place as well.

April 3rd, 2010, 08:08 AM	#1
04MachOne Regular 2004 Mach 1 Join Date: Mar 2010 Location: Winston-Salem, NC Posts: 461 iTrader: 0 reviews	Mach 1 vibrations? I got my 04 mach 1 this week and noticed that when it hits around 22-2300 rpms, it'll make some like scratching noise. Sounds like it's coming from the rear passenger side of the car. Anyone have any idea what this is or if it's a big deal? Thanks.

April 3rd, 2010, 09:22 AM	#2
The_Frid Newbie Join Date: Jan 2010 Posts: 7 iTrader: 0 reviews	can you be more specific? what kind of scratching? metal on metal scratching ? __________________ 01 Cobra - 373s, K&N CA Intake, Bassani O/R X and catback

April 4th, 2010, 12:34 PM	#5
bluestang41505 Regular 2003 Mustang GT Join Date: Feb 2010 Location: Fort Lauderdale, FL Posts: 216 iTrader: 0 reviews	Check your exhaust and make sure its all tight and the hangers too. Those rpm's is around the "drone" part witch would vibrate the exhaust alot. at least i think so __________________ 03 True Blue Mustang GT, 180 degree thermostat, UPR Offroad X, Flowmaster 40's, Steeda Tri-Ax, Fuzion 245/45R17 ZRi. 2 ten in' JL Audio W2V2, JL class D amp, Alpine head unit, Alpine speakers and amp, custom ported sub enclosure.

April 5th, 2010, 12:53 PM	#8
M.P. Cobra Fan It's in the details Mod! 01 Cobra Vert Nov 09/10 ROTM! Join Date: Mar 2009 Location: Ft Stewart/Naples/Hampton/Tampa Posts: 11,013 iTrader: 1 reviews	Drive shaft will cause vibrations at certain RPMS if it is out of balance. __________________ Pinup in signature by loish.net Modded Mustangs Cobra Club#007 Military Crew E5 VOTED MM's BEST SIGNATURE 2010. THANKS STANGGTR07

April 5th, 2010, 01:00 PM	#9
97mustanggt Hardcore Enthusiast 97GT & 97Snake & 00L T.B.A Join Date: Aug 2008 Location: Richgrove, Ca Posts: 2,183 iTrader: 0 reviews	how would you ballance out a driveshaft i have this problem? __________________ 97 Cobra & 00 Lightning Beauty & The Beast I rev next to hybrids so they can hear me kill the environment MM Cobra Club Member #77 MM Lightning Club Founder

April 3rd, 2010, 04:07 PM	#3
04MachOne Regular 2004 Mach 1 Join Date: Mar 2010 Location: Winston-Salem, NC Posts: 461 iTrader: 0 reviews	Not really sure sounds like a high pitched vibration almost. Or like ripping tape off of something. haha It seems to be around 2500 rpms but only when I'm gassing, when I slowly pass 24-2500 it doesn't do it.

April 4th, 2010, 12:06 PM	#4
Mustang02gt Regular 2002 Mustang GT 13.2 Join Date: Mar 2010 Location: Allen,Tx Posts: 255 iTrader: 0 reviews	maybe change your rear diff fluid and check for metal shavings. least that point you could some what narrow it down after that.

April 4th, 2010, 03:27 PM	#6
04MachOne Regular 2004 Mach 1 Join Date: Mar 2010 Location: Winston-Salem, NC Posts: 461 iTrader: 0 reviews	I'll be sure to check those thanks guys. I did notice the right exhaust pipe hangs a little lower than the left so that might be it.

April 5th, 2010, 12:36 PM	#7
Crisco Newbie Join Date: Feb 2010 Posts: 23 iTrader: 0 reviews	Could it possibly be the driveshaft?

April 5th, 2010, 01:05 PM	#10
M.P. Cobra Fan It's in the details Mod! 01 Cobra Vert Nov 09/10 ROTM! Join Date: Mar 2009 Location: Ft Stewart/Naples/Hampton/Tampa Posts: 11,013 iTrader: 1 reviews	Remove the driveshaft and take it to a driveshaft shop. __________________ Pinup in signature by loish.net Modded Mustangs Cobra Club#007 Military Crew E5 VOTED MM's BEST SIGNATURE 2010. THANKS STANGGTR07

April 5th, 2010, 01:15 PM	#11
97mustanggt Hardcore Enthusiast 97GT & 97Snake & 00L T.B.A Join Date: Aug 2008 Location: Richgrove, Ca Posts: 2,183 iTrader: 0 reviews	serious?...because i remember i did my clutch job and when i put back tha drive shaft at 2600rpms it vibrates till i go 2 higher into tha rpms...how much do they charge and wat do they do to them? __________________ 97 Cobra & 00 Lightning Beauty & The Beast I rev next to hybrids so they can hear me kill the environment MM Cobra Club Member #77 MM Lightning Club Founder

April 5th, 2010, 01:17 PM	#12
M.P. Cobra Fan It's in the details Mod! 01 Cobra Vert Nov 09/10 ROTM! Join Date: Mar 2009 Location: Ft Stewart/Naples/Hampton/Tampa Posts: 11,013 iTrader: 1 reviews	All of them charge different prices. It is pretty much like balancing a tire. lol As for your situation, I have seen cases that you can actually remove the driveshaft, rotate it and the reinstall it to get it to balance back out if it was balanced before you removed it the first time. __________________ Pinup in signature by loish.net Modded Mustangs Cobra Club#007 Military Crew E5 VOTED MM's BEST SIGNATURE 2010. THANKS STANGGTR07

April 5th, 2010, 01:26 PM	#13
97mustanggt Hardcore Enthusiast 97GT & 97Snake & 00L T.B.A Join Date: Aug 2008 Location: Richgrove, Ca Posts: 2,183 iTrader: 0 reviews	yea cuz i did remove it an turned it but im guessing i need to turn it again...i dont even know if theres a drive shaft shop around here __________________ 97 Cobra & 00 Lightning Beauty & The Beast I rev next to hybrids so they can hear me kill the environment MM Cobra Club Member #77 MM Lightning Club Founder

April 6th, 2010, 10:54 AM	#15
97mustanggt Hardcore Enthusiast 97GT & 97Snake & 00L T.B.A Join Date: Aug 2008 Location: Richgrove, Ca Posts: 2,183 iTrader: 0 reviews	ill be driving normaly and when i get to like 2600 theres a vibration then goes away if i got past 2600rpms __________________ 97 Cobra & 00 Lightning Beauty & The Beast I rev next to hybrids so they can hear me kill the environment MM Cobra Club Member #77 MM Lightning Club Founder

April 6th, 2010, 02:26 PM	#16
04MachOne Regular 2004 Mach 1 Join Date: Mar 2010 Location: Winston-Salem, NC Posts: 461 iTrader: 0 reviews	Well yesterday I had to put my seats down in the back to put something in and when I drove it with the back seats down I noticed that it was coming from somewhere in the trunk. It must just be something loose or something of that sort back there.

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April 7th, 2010, 03:23 PM	#17
281 4v FTW Newbie 2003 Mach1 13.615 Join Date: Mar 2009 Location: Mississauga On. Canada Posts: 9 iTrader: 0 reviews	I actually have the same problem at around 2000 rpm. sounds like something vibrating.

April 7th, 2010, 04:47 PM	#18
04MachOne Regular 2004 Mach 1 Join Date: Mar 2010 Location: Winston-Salem, NC Posts: 461 iTrader: 0 reviews	I'm pretty sure mines coming from the trunk, put your seats down and see if ya'lls is coming from the same place as well.

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