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Grinding noise from t5 

 

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 Post subject: Grinding noise from t5
Posted: Mon Apr 12, 2010 6:29 pm 
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I think im tracking a thrust bearing on the clutch, wondering if someone can confirm?

in neutral, theres a cyclical noise from the gearbox like grinding. pushing the clutch down makes it go away. it still makes the noise in 1st > 4th 5th doesn't (all at speed) I still have drive in all gears.

Cheers guys.

 

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 Post subject: Re: Grinding noise from t5
Posted: Mon Apr 12, 2010 6:36 pm 
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probally because your mum cant get to the gear stick when its in 5th

 

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 Post subject: Re: Grinding noise from t5
Posted: Mon Apr 12, 2010 7:13 pm 
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Shifteh wrote:
probally because your mum cant get to the gear stick when its in 5th


wtf is wrong with you!!!
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 Post subject: Re: Grinding noise from t5
Posted: Mon Apr 12, 2010 7:15 pm 
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fiftyone wrote:
I think im tracking a thrust bearing on the clutch, wondering if someone can confirm?

in neutral, theres a cyclical noise from the gearbox like grinding. pushing the clutch down makes it go away. it still makes the noise in 1st > 4th 5th doesn't (all at speed) I still have drive in all gears.

Cheers guys.


have you checked the oil in the box lately??
sounds like it could be a noisy input shaft bearing.??
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 Post subject: Re: Grinding noise from t5
Posted: Mon Apr 12, 2010 7:17 pm 
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yah sounds like the thrust bearing. my ghia did it too before i replaced the thrust bearing.... put in a new one and its all gone.

 

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 Post subject: Re: Grinding noise from t5
Posted: Mon Apr 12, 2010 7:42 pm 
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mine does the same. but only in 5th, and its only very quiet. doesn't do it in neutral either

 

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 Post subject: Re: Grinding noise from t5
Posted: Mon Apr 12, 2010 7:51 pm 
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it'd definately the input shaft bearing. the thrust bearing has no load when your foot is off the clutch. so to be a noisy thrust bearing it'd be noisy when your foot is on the clutch not off

 

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 Post subject: Re: Grinding noise from t5
Posted: Mon Apr 12, 2010 7:59 pm 
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WILDEB wrote:
it'd definately the input shaft bearing. the thrust bearing has no load when your foot is off the clutch. so to be a noisy thrust bearing it'd be noisy when your foot is on the clutch not off


+1

While you're at it, might as well replace some seals :)...think it is also a good idea to change the thrust bearing :).

Shifteh wrote:
probally because your mum cant get to the gear stick when its in 5th


what TROYMAN said... :| wtf?

 

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 Post subject: Re: Grinding noise from t5
Posted: Wed Apr 14, 2010 3:44 pm 
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cool, thanks for the info guys. Lets say for the sake of the argument its the input bearing, does it involve pulling the box down or is it like replacing the seal on the output shaft or around the harmonic ballancer? (eg pop it out from the front and replace)

 

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 Post subject: Re: Grinding noise from t5
Posted: Wed Apr 14, 2010 3:50 pm 
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fiftyone wrote:
cool, thanks for the info guys. Lets say for the sake of the argument its the input bearing, does it involve pulling the box down or is it like replacing the seal on the output shaft or around the harmonic ballancer? (eg pop it out from the front and replace)


I think it involves removing the box, removing the input shaft (4 or 5 bolts?), pull shaft out, replace bearing and put everything back together. Let's hope it is a self contained bearing in your box...if it isn't, expect a lot of rollers dropping out.

 

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 Post subject: Re: Grinding noise from t5
Posted: Wed Apr 14, 2010 5:44 pm 
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got a feeling she's not self contained anymore...

thanks guys

 

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 Post subject: Re: Grinding noise from t5
Posted: Wed Apr 14, 2010 6:32 pm 
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fiftyone wrote:
got a feeling she's not self contained anymore...

thanks guys


Don't quote me on the above...i'm all about guessing :P. I am sure it's the bearing we're all talking about... :shock:

 

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 Post subject: Re: Grinding noise from t5
Posted: Wed Apr 14, 2010 11:36 pm 
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Just for reference, before my thrust bearing blew up it made a squeaky sound of noise not a grinding noise.

I just ignored it and I was lucky I was about 3km away from home in peak hour traffic when my thrust bearing shot itself to pieces and I had to drive home with no clutch. Easier to replace than an input shaft bearing, so replace it anyway when you have it out.

 

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 Post subject: Re: Grinding noise from t5
Posted: Thu Apr 15, 2010 8:35 pm 
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so if mines making at rattling noise in neutral that goes away with your foot pressed down on the clutch its the input or thrust bearing?
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 Post subject: Re: Grinding noise from t5
Posted: Thu Apr 15, 2010 9:07 pm 
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FORDom wrote:
so if mines making at rattling noise in neutral that goes away with your foot pressed down on the clutch its the input or thrust bearing?


probably input shaft bearing.... i quietened mine down by running synthetic gear oil instead of auto trans fluid..
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