clutch pedal vibration - Ford Mustang Forums : Corral.net Mustang Forum

 
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post #1 of 10 Old 05-24-2005, 09:50 AM Thread Starter
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clutch pedal vibration

I have a vibration that can be felt in the clutch pedal, and you can hear a rattling type noise in the steering column area. The noise happens when driving with the engine above 2k rpms and sitting in nuetral and revving above 2k rpms, does not happen at idle. Just had the t/o bearing, pilot bearing, and clutch replaced with a HD motorsport kit from D&D. The noise was there before it was replaced and is still there after, no different. Just wondering if anyone has any ideas on what to do to isolate this problem. Thanks in advance for any info.
Brad


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post #2 of 10 Old 05-24-2005, 04:16 PM
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Definetly an engine\clutch balance issue.... Does the harmonic balancer "wobble" any? Has the base timing with the spout out changed since the last time you checked? I've seen in previous posts recent problems with clutch pressure plate balance issues.... You might want to do a search in this forum using "clutch" as a key word. Good luck


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post #3 of 10 Old 05-24-2005, 06:59 PM Thread Starter
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The balancer does seem to wobble a little, but why would I only feel it in the clutch pedal and not anywhere else in the car? I looked more closely today and it seems that the vibration does not start until aftere the firewall, you can hold the cable under the hood and there is no vibration. That would make be think that its somewhere in the quadrant or the pedal assembly itself. All I know is that its really frustrating and I don't want to dump alot of money in it trying to fix this issue.

2004 Mustang GT competition orange
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post #4 of 10 Old 05-24-2005, 07:43 PM
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strange... I wish I could help more...... TTT fer 'ya.....

'89 LX 'vert. 331 stroker, TKO600, 11.52@118.93mph in SoCal. & 11.85@108mph(let out at 1,000ft) here in SLC, Utah
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post #5 of 10 Old 05-24-2005, 11:36 PM
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I had the same similar situation...there wasn't enough tension on the quadrant from the cable and caused the clutch pedal to vibrate...

Try pushing down on the clutch pedal (to get slack out of it) next time you reach the "vibration rpm" and see if it goes away...if it does...you likely don't have enough tension on the cable which makes the quadrant vibrate in place...(from the steering column area)...

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post #6 of 10 Old 05-25-2005, 07:25 AM Thread Starter
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It does do away when pressure is applied to the pedal, I am going to try get a new cable and quadrant anyway, hopefully that will take care of it. Thanks

2004 Mustang GT competition orange
MRT Catted-H
borla stingers
FRPP "C" Springs
FRPP 3.73's
MM Full length subframes
MGW Shifter w/orange handle
Nitto 275/40/17 555R's
Zex wet nitrous kit
predator tuner
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post #7 of 10 Old 05-25-2005, 01:32 PM
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Yeah, that and a firewall adjuster should fix that problem. I would get a non-adjustable OEM cable from www.buyfordracing.com for $40...

Laser Red 1998 Mustang GT - Daily Driver, 5spd, Leather, Mach 460.

Reef Blue '93 LX 5.0 5spd

New 306, AFR 165's, FTI cam, Tmoss Performer Intake, Scorpion 1.6 RR's, 30lb injectors, Pro-M 75mm MAF, FRPP 65mm TB, Kirban AFPR, BBK Longtubes w/ matching H, Flows, 3:73's, Steeda Tri-ax, Mac Cai, Black Magic Fan, Griffin Radiator, 3g Upgrade and more...

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post #8 of 10 Old 05-25-2005, 01:45 PM
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had the same problem. ended up being a clutch cable/quadrant/adjuster issue. i just adjusted my firewall adjuster and cable a bit tigher, and it went away.
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post #9 of 10 Old 05-25-2005, 02:22 PM
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Quote:
Originally Posted by Sinner 88
had the same problem. ended up being a clutch cable/quadrant/adjuster issue. i just adjusted my firewall adjuster and cable a bit tigher, and it went away.
Yep, when you turn the adjuster clockwise (on the firewall) you tighten the adjustment (cable) and it should solve the vibe problem.

Laser Red 1998 Mustang GT - Daily Driver, 5spd, Leather, Mach 460.

Reef Blue '93 LX 5.0 5spd

New 306, AFR 165's, FTI cam, Tmoss Performer Intake, Scorpion 1.6 RR's, 30lb injectors, Pro-M 75mm MAF, FRPP 65mm TB, Kirban AFPR, BBK Longtubes w/ matching H, Flows, 3:73's, Steeda Tri-ax, Mac Cai, Black Magic Fan, Griffin Radiator, 3g Upgrade and more...

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post #10 of 10 Old 05-26-2005, 10:21 AM Thread Starter
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THANKS FOR THE HELP, i'LL LET YOU KNOW IF IT WORKS, i ORDERED A CABLE, FIREWALL ADJUSTER, AND QUADRANT TODAY.


2004 Mustang GT competition orange
MRT Catted-H
borla stingers
FRPP "C" Springs
FRPP 3.73's
MM Full length subframes
MGW Shifter w/orange handle
Nitto 275/40/17 555R's
Zex wet nitrous kit
predator tuner
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