FAO Proper Genius People - Shaking/Vibrating in First.

[Rob]

Once again I have me one of these threads (yay).

My car has been running like an utter dream since having the cambelt etc doing, but all of a sudden it seems to have gone to pot.

My passenger side CV joint seems to have died (clicking whilst pressing hard around right hand bends) and now this....

Basically, pull away hard in first, and you get a definite shaking/vibration, I can't replicate it in any gear, but it feels very much like when I had broken my cambelt cover, and the engine was moving a lot... I can't get it 100% of the time, and it seems to require engaging the clutch quite quickly and accelerating hard.

My thoughts were either a driveshaft or an engine mount?

Now, I'm already changing the passenger drive shaft (to change the CV joint) so I'll see what that does.

The only engine mount that could need changing is the upper gear box, this is so tight no one that has tried has been able to get it undone. So with that in mind I'm getting all new bracketry etc and just starting again.

The top engine mount and powerflex gearbox mount are only 4k miles old.

All thoughts appreciated.

 

[Rob]

Oh, and if anyone does have any really useful information, I'll post you a crunchie.

 

[Tunst]

Harsh vibration or just small amount?

 

[Rob]

I wouldn't call it harsh, but certainly noticeable.

The whole car doesn't shake, but it doesn't fill me with confidence.

Any idea's Mark, my love?

 

[Tunst]

Im kind of baffled its only in first, it defiantly wont do it in any other gear?

 

[Sam@NP]

Is it a warped flywheel or knackered clutch? I had the same thing with my lexus and it was the quite a common fault, turned out to be the fly wheel.

 

[Tunst]

Is it a warped flywheel or knackered clutch? I had the same thing with my lexus and it was the quite a common fault, turned out to be the fly wheel.

I thought this but it would be there in all gears would it not?

 

[sideways danny]

bring me a crunchie. I'm quite determined to get that gearbox mount off

 

[Bob the Frog]

Oh, and if anyone does have any really useful information, I'll post you a crunchie.

Argh. You're making me wish I knew.

Nick: suffering in the Swedish Cadbury's Deficit of 2011.

 

[Rob]

I've just remembered the word I've been looking for it, the best way to describe it is a "Rumble" type sound/feeling

Is it a warped flywheel or knackered clutch? I had the same thing with my lexus and it was the quite a common fault, turned out to be the fly wheel.

As Tunst says, I thought it would be in all gears if that was the case?

I thought this but it would be there in all gears would it not?

bring me a crunchie. I'm quite determined to get that gearbox mount off

As much as I'd love to, I'm back bloody south now, things came up with work and I had to shoot back, I'm just replacing the whole bracket so there's no need to undo anything! LOL.

 

[Curtis!]

Does it change from being hot/cold?

Or is it just everytime you drive it, everywhere?

 

[Munson]

Hi.

Surely it's the CV joint??

 

[Scrooge]

I had this with my driveshaft, only in first. Once the driveshaft was spinning it wouldn't vibrate just when setting off. It turned out the knuckles were shot gearbox end.

 

[Rob]

Does it change from being hot/cold?

Or is it just everytime you drive it, everywhere?

No difference, ever, just first gear, pull away hard. (It doesn't even do it when rolling in first, so if you pull of gently, then floor it, it's fine.)

Hi.

Surely it's the CV joint??

Hi Roy, (this feels like an AA meeting)

CV joint? Affecting just first gear? Enlighten me?

I had this with my driveshaft, only in first. Once the driveshaft was spinning it wouldn't vibrate just when setting off. It turned out the knuckles were shot gearbox end.

This is EXACTLY what I wanted to hear... was it the passenger or drivers side?

I'll change the passenger then and see what happens....

Your crunchie may well be in the post come Saturday because you've made me happy.

 

[Munson]

So the CV joint can't affect just 1st, but the shaft of metal attached to it can? Ok

 

[Scrooge]

It was the passenger side, mine was pain to get hold of brand new for my dci. Be careful when removing the shaft as all the little bearings can fall inside the box if they havn't already and they are a serious pain to get out.

 

[Scrooge]

As the gearbox end of the shaft has three knuckles, one of mine had come away leaving just two, meaning when I pulled away the shaft was really vibrating untill it picked up enough momentum so that it just stayed central therefore only vibrating in 1st.

Try pulling away in 2nd Rob it should still vibrate, obviously a bit more gas so your not feeling the engine struggling.

 

[Curtis!]

Exactly how mine ended up ^ Just mine would vibrate bloody everywhere doing certain speeds.

Poor quality retainers on the bearing part;

 

[Scrooge]

How did you get on finding those little bearings Curtis IIRC there 22 of the little f*****s!!

 

[Curtis!]

I found 12 according to this pic;

Fork knows where the rest went!

 

[Munson]

Is this all part of the complete driveshaft assembly? Either way it's all coming off the final drive so the gear seems irrelevant unless the problem is in the gearbox. New shaft = problem solved?

 

[Scrooge]

Is this all part of the complete driveshaft assembly?

Yes mate it's the part of the shaft that slots into the gearbox.

And yes new shaft is problem solved.

Curtis those other bearings are in your gearbox somewhere, just got to hope they don't get caught up in anything.

 

[Rob]

So the CV joint can't affect just 1st, but the shaft of metal attached to it can? Ok

Well yes.. Sort of... The box side of things has to engage/disengage from things, so when pulling away in first the inner joint would surely experience more forces/friction than the cv joint? Which pretty much puts up with the same thing all the time, unless wheel spinning etc...

So either I'm wrong or you're getting old(er). ;-)

As the gearbox end of the shaft has three knuckles, one of mine had come away leaving just two, meaning when I pulled away the shaft was really vibrating untill it picked up enough momentum so that it just stayed central therefore only vibrating in 1st.

Try pulling away in 2nd Rob it should still vibrate, obviously a bit more gas so your not feeling the engine struggling.

I'll give it a go in second from standing... It sounds very much like what happened to yours though. I really hope there's not frikken bearings everywhere... :-(

How did you get on finding those little bearings Curtis IIRC there 22 of the little f*****s!!

Is it going to be a pig of a saturday trying to get these poxy things out???

 

[Rob]

Its getting a new shaft this Saturday I hope, so chrunchie's/50p (Roy) will be in the post.

I'll be back if it all goes tits up. Cheers chaps.

 

[Curtis!]

Yes mate it's the part of the shaft that slots into the gearbox.

And yes new shaft is problem solved.

Curtis those other bearings are in your gearbox somewhere, just got to hope they don't get caught up in anything.

That was the passenger side mate, with the shoe taken off.

Plus I don't own the car anymore. It is rolling around with 2 new driveshafts though. :dapprove:

 

[Munson]

LOL fair enough I'm no expert, but I am a genius, hence my participation. You've already said the CV joint is f**ked, so you need a new driveshaft, which will no doubt solve the problem.

BTW nothing 'disengages' from the gearbox output.

 

[Scrooge]

Well If the bearings have come out it is seriously likely you will have a right s**t saturday. I bought a teliscopic magnet to poke around in the gearbox, It got most out but I was left with 3 still in the box,in the end I took the gearbox out completely shook it around and managed to get the rest out. I found that flushing oil through helped quite a bit. If it is your driveshaft that is the problem for sure, I would say buy the other side aswell mate.

 

[Scrooge]

LOL fair enough I'm no expert, but I am a genius, hence my participation. You've already said the CV joint is f**ked, so you need a new driveshaft, which will no doubt solve the problem.

BTW nothing 'disengages' from the gearbox output.

What is your specialist area of genius Roy? lol

 

[Revels]

The title drew me in but I have no idea.

The fact it only does it in first is weird. Gearbox related?

 

[Scrooge]

The title drew me in but I have no idea.

The fact it only does it in first is weird. Gearbox related?

The reason it only does it in first is because your wanting the shaft to start spinning form standstill where as you change gear into 2nd, 3rd etc the shaft has momentum already.

 

[Rob]

I'm glad my title could draw you in so effectively Dan.

Mr Duck, It had a new drivers side shaft about 9 months ago, which it turned out it didn't need, so I've got a spare drivers one lying around in the garage if I really need it.

So if I buy a telescopic magnet, gearbox funnel with a filter (so I can just keeping putting the (pretty much brand new) gearbox oil back through the box) and just my usual tools, I'll be away?

It's only been doing it a day or three, so I do hope that the bearings aren't everywhere yet.

 

[Scrooge]

I'm glad my title could draw you in so effectively Dan.

Mr Duck, It had a new drivers side shaft about 9 months ago, which it turned out it didn't need, so I've got a spare drivers one lying around in the garage if I really need it.

So if I buy a telescopic magnet, gearbox funnel with a filter (so I can just keeping putting the (pretty much brand new) gearbox oil back through the box) and just my usual tools, I'll be away?

It's only been doing it a day or three, so I do hope that the bearings aren't everywhere yet.

Yep I'd buy a tea strainer to catch the bearings in though. I let mine do it for ages until eventually at high speeds if I lifted off the car would vibrate like mad, but by then the whole knucle had come off and broken. Fingers crossed you won't be routing around in your box for too long

 

[Rob]

My funnel has a filter, so when I go to pout the oil back into the box, it'll catch them

Cheers though mate.

 

[JoedotwasT5phy]

Hai. i'd defo say the drive shaft as said.

Could also be a problem with the balancing of the shaft, but either way it should be easisly solved

 

[Rob]

Hai

Late to the party much Joe?

Cheers for the confirmation though treacle.

 

[JoedotwasT5phy]

yeah well, moving offices today so busy. but thought i'd come say hai xx

 

[Munson]

I reckon it's the driveshaft.

 

[JoedotwasT5phy]

I reckon it's the driveshaft.

+1

 

[Munson]

I can't say driveshaft without thinking of that 'orrible manc northern monkey in LOST

 

[Tunst]

Been having a think, if its not the drive shaft im going to go with fucked pressure plate, i remember a 206 i had in last month with similar symptoms turend out to be a fucked clutch, it was gripping straight away. Slipping-Gripping-Slipping-Gripping..