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VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX. 

 

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 Post subject: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Mon May 03, 2010 2:20 pm 
Stock as a Rock
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Age: 26

Posts: 136

Joined: 23rd Dec 2008

Ride: EL FAIRMONT

Location: Perth
WA, Australia

drives fine. perfectly nothing out of the ordinary.

but if you put it into power mode. and go to overtake. probably dropping the auto box from 4th-2nd.

it will launch from 80-120 pretty quickly (supercharged)

but as soon as you ease off. the whole car vibrates. you can feel the gear lever vibrating at 4000miles an hour and the whole car shakes.

is it something as simple as an out of balance tailshaft??

because as soon as you say hit a pot hole the vibrations instantly stop
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 Post subject: Re: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Mon May 03, 2010 2:21 pm 
Stock as a Rock
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Age: 26

Posts: 136

Joined: 23rd Dec 2008

Ride: EL FAIRMONT

Location: Perth
WA, Australia

btw its A supercharged I6 EL Fairmont GHIA.

so i think they have the tickford drive shaft aswell??
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 Post subject: Re: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Mon May 03, 2010 2:38 pm 
Moderator
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Posts: 14513

Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

worn universal joints in the tailshaft??????
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 Post subject: Re: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Mon May 03, 2010 2:42 pm 
Fordmods Junkie
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Joined: 17th May 2005

Gallery: 11 images

Ride: EL Fairmont, VFR400 racer

Power: 144 rwkw

Location: Melbourne
VIC, Australia

does it occur when you are not accelerating? Mine vibrates when i decelerate between 80 and 100. It is caused by the tailshaft being out of balance...so I was told.

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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 Post subject: Re: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Mon May 03, 2010 7:16 pm 
Stock as a Rock
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Age: 26

Posts: 136

Joined: 23rd Dec 2008

Ride: EL FAIRMONT

Location: Perth
WA, Australia

only seems to occur when i hold gears. overtake. or drop gears.

anything that makes it rev hard and fast.

the vibration keeps on happening upon decelleration aswell.

but if i JAB the throttle once it goes away. almost like its stopping the revirberations.
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 Post subject: Re: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Mon May 03, 2010 7:25 pm 
Moderator
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Posts: 14513

Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

to me it sounds like the extension housing bush in the gearbox could be stuffed or like i said before the uni joints???

have you checked the uni joints???
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 Post subject: Re: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Mon May 03, 2010 7:25 pm 
Getting Side Ways
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Age: 36

Posts: 508

Joined: 28th Feb 2009

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Ride: Ed v8 fairmont wagon, wr450f

Power: 137 rwkw

Worn extension housing bush,worn uni's or loose bolt's on the flange to the diff...

phill
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 Post subject: Re: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Tue May 04, 2010 9:41 am 
Getting Side Ways
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Age: 45

Posts: 863

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Ride: XH Ute / AU3 V8 Wagon

Location: Bris-Vegas
QLD, Australia

As above, plus check the rear gearbox mount, and all of the rear suspension rubbers. Let us know what it ends up being. Good luck. :D

 

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Yes, I own a Ute. No, I won't help you move!

EL Wagon Build Thread http://www.fordmods.com/the-garage-f53/sooty72-s-ef-futura-wagon-long-term-project-t90025.html
XH Ute Thread http://www.fordmods.com/post1138970.html#p1138970

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 Post subject: Re: VIOLENT VIBRATIONS THROUGH DRIVESHAFT,GEARBOX.
Posted: Wed May 12, 2010 9:50 pm 
Smokin em up
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Age: 30

Posts: 243

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Ride: Falcon EL XR6

Location: sydney
NSW, Australia

yea i got pretty much the same issue with my EL XR6 manual., usually only notice it on a motorway, once i start backing off(deceleration) from 110 to say 80 it vibrates the whole car. will let yous know if and when i fix it.

 

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EL Falcon XR6, 2.5in exhaust, extractors, ported throttle body, sequential intake, CMS stage 2 head. Tickford cam!!!!!
"158 RWKW"

http://www.youtube.com/watch?v=ErQSNeJmXsk (video of my XR6 on the Dyno)

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