seized idler bush.
Turbo Mini Forums

i just pulled my front engine to bits and find the said bush stuck on the tail ,i am using the MSS floating bush type idler ,so i have no idea how long its been seized as it would still run on the inside of the gear.this is the first time ive ever had one stick fast.
however i did boil it up in oil beofre fitting , i wonder if i altered anty clearances by boiling it.
it drifted off easy enough but needs another, a bit of bronze marking on the crank but a quick rub with fine emery it was gone so no damage to the hardened crank .

any ideas? ,not that i'm overly worried i'm doing something wrong as its the first time its happened and also the first time i used this floating bush .
so don't know what to make of them yet.
carl

WWW.FORCE-RACING.CO.UK PLEASE CLICK HERE

i got one of the first floating ones off keith .. that one seized up ... it was the radi on the crank being slightly different on the turbo crank, but as TD did mention to him .. but he wasa haveing none of it ... anyway i little tickle on the lathe had it sorted ..

Everyone knows that instructions only have to be read if the thing doesn't work....

it seamed an ok fit on the crank when i tried it as new, not to tight and not too slack ,
i know what your saying though ,
i'll mave to acctually measure the new one up and check the running clearances.

WWW.FORCE-RACING.CO.UK PLEASE CLICK HERE

Ive had a keith Calver one for 3 years, touch wood no probs yet, but i did have to machine it to accept the turbo crank radius. Keith did say it may need machining. Because of what its made of it didnt need soaking in oil as it is self lubricating.
Hope this is of use.
Paul

I seriously doubt it!

Definately needs the chamfer adding for the radius found on the 'turbo' or A+ cranks...
Maybe you didn't add enough?
I got mine such that i could ram in onto the crank, and it'd still spin.

Edited by turbodave16v on 19th Dec, 2005.

t3tones looked a few f@cked as well.

it was worn towards the raised section just before the broze shim for some reason .

but i chamfered mine and is ok.

always looking for them bigger bunches of bannanas

minw wasn 't jammed tight up against the shoulder that the spacer shim sits on ,there was a small gap ,thats how i got something in there to start to knock it off.
dave , are you talking about a chamfer at this point ? .

mine had deffor seized all along ,black and ugly all the way along it ,and corresponding marks on the crank.


carl

WWW.FORCE-RACING.CO.UK PLEASE CLICK HERE

Kinda - there is a radius on the crank, so i put a chamfer onto the edge that would contact this radius.

Maybe your boiling it in oil has had a negative effect?

yes carl maybe it's changed shape a fraction in the oil?

post some pics mate, we may find it looks like Tonys one?

Best 1/4 mile 13.2 seconds @116 mph
First 5 port miniturbo to make over 200 bhp on a carb?
First 5 port miniturbo to make over 200 bhp on Injection?

http://www.mattwoodsphotography.com

post pics , you do have a sence of humour don't you !!!, i havn't a bloody clue,lol.

carl

WWW.FORCE-RACING.CO.UK PLEASE CLICK HERE

Idler bush? I guess we're talking primary here?

yes vegard ,
i'm only a simple soul ,

WWW.FORCE-RACING.CO.UK PLEASE CLICK HERE

Then I understand.. I've got the bush in my engine as well. Looked great when I opened it this last winter.
I guess Mark can tell you when it was installed..

thats the one as was on about before ... but it had to be modded to fit turbo crank

Everyone knows that instructions only have to be read if the thing doesn't work....

will post a pic of mine asap

-MINI CLUBMAN 1380 TURBO-

well get your arse in gear then you SCROT!

Edited by Miniwilliams on 22nd Dec, 2005.

Best 1/4 mile 13.2 seconds @116 mph
First 5 port miniturbo to make over 200 bhp on a carb?
First 5 port miniturbo to make over 200 bhp on Injection?

http://www.mattwoodsphotography.com

Be patient my scrotty friend!!!

Here it is..............

Edited by T3Tone on 22nd Dec, 2005.

-MINI CLUBMAN 1380 TURBO-

how about accompnaying it with some words?

Like - what happened? Had you machined it previously, etc.???

yes words, you silly scrot!....................

I'll give you a rough one for him and he can fill in the rest.

The damaged end (on the right for those that haven't seen one before) was the end in the primary gear up against the oil holes in the gear, AND NOT THE OTHER end where people seem to get problems.

No machine was done on it.

other than that we have no idea why it did this, do it look like yours Carl??

MW

Edited by Miniwilliams on 23rd Dec, 2005.

Best 1/4 mile 13.2 seconds @116 mph
First 5 port miniturbo to make over 200 bhp on a carb?
First 5 port miniturbo to make over 200 bhp on Injection?

http://www.mattwoodsphotography.com

Cant really coment more than what hoggy origanally put!! There were some tiny bronze shavings around the oil holes on the primary gear but cant work out why it had worn around the step on the crank where the bush runs??

For those who havent seen one this is how it should look (although you can still see the worn part!) The clutch was still operating fine as the bush spins in the primary gear and on the crank so would'nt have known about this if i i had decided not to strip the engine.

Edited by T3Tone on 24th Dec, 2005.

-MINI CLUBMAN 1380 TURBO-

nice one Tony.

Best 1/4 mile 13.2 seconds @116 mph
First 5 port miniturbo to make over 200 bhp on a carb?
First 5 port miniturbo to make over 200 bhp on Injection?

http://www.mattwoodsphotography.com

Old post

But my floating idler has just siezed after approx 600 miles (cause slipping clutch I think)

Any info on the radius size mentioned as I never modded mine.

Edit/ forgot to mention when I got the primary of I had half the bush in the primary,the other half left on the crank:cool:

Edited by Dangerous on 26th Oct, 2006.

Metro turbo weekend driver,Mini turbo in the making again!

So what's the general opinion on these? I've got a bit of pitting on my primary bush. I understand thank there isn't a problem if it's chamfered to accept the turbo crank? Cheers Ron

Well Ron, i ended up sticking the floating bush into the gear with bearing fit after it seized for the second time, it must be still working fine as iv'e had no clutch problems and the engines been in there 3 years now,


carl

WWW.FORCE-RACING.CO.UK PLEASE CLICK HERE

I dont have a problem with mine, its one of the New Minispares ones, considering the age of this topic