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Author Topic: Dead Beemer!  (Read 2311 times)

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YZ250

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Re: Dead Beemer!
« Reply #30 on: 03 January 2019, 18:37:04 »

Well prize of the day goes to Mr Kevin Wood and Uncle STEMO for questioning whether it's a gearbox fault.  :y

I had a look under whilst it was in gear, both forward and reverse, and the prop is spinning both ways.

But what does that mean?  ???  It's lost a connection at the diff?  :-\

Probably best to jack up the rear so that the wheels are hanging in the air. You may be able to see/influence movement on the halfshaft drive flange while it's hanging at its extreme to see if it has 'popped out'. I have heard of bmw halfshafts popping out on e38's so it may well have been an issue on e39's as well.

When I did this to check the Omega diff I found it best to also jack the rear wheels up a bit by a bottle jack under each shock absorber so that the drive shafts were in a more"normal" alignement. It was then very easy to confirm that it was the diff that was noisy and not overstressed UJs on the half shafts  :)

The 'wheels hanging' was not intended for actually running the car, it's to see how much the drive pinion shaft can move away from the diff at its most extreme travel. I should have made that clearer to avoid confusion. I'd agree that a leveller condition would be more suitable if replicating running conditions.  :y
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henryd

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Re: Dead Beemer!
« Reply #31 on: 03 January 2019, 18:42:01 »

Most likely a driveshaft joint stripped its splines,Beemer diffs are quite tough stuff normally  :y
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Re: Dead Beemer!
« Reply #32 on: 03 January 2019, 18:46:45 »

Most likely a driveshaft joint stripped its splines,Beemer diffs are quite tough stuff normally  :y
I think you'd hear/feel that happening, Henry. Tigger said he lost power and didn't mention any nasty noises. It's more likely it's just popped out, I think.
But.....until the lazy bastard has a look and let's us know, it's only guesswork.
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Sir Tigger QC

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Re: Dead Beemer!
« Reply #33 on: 03 January 2019, 18:59:12 »

The problem I have now is that its not in a safe place to jack and support it properly, as when we rolled it off the back of the truck last night, it ended up half on the tarmac and half on a gravelled area and that's where I abandoned it assuming it was dead!  :D

I jacked it this afternoon and it started to shift on the gravel as it's on a slope....   ::)

So I'll have to pull it out onto the tarmac which will be a job for another day.  :y

Thanks for the tips and advice.  :)
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Re: Dead Beemer!
« Reply #34 on: 03 January 2019, 19:01:14 »

The problem I have now is that its not in a safe place to jack and support it properly, as when we rolled it off the back of the truck last night, it ended up half on the tarmac and half on a gravelled area and that's where I abandoned it assuming it was dead!  :D

I jacked it this afternoon and it started to shift on the gravel as it's on a slope....   ::)

So I'll have to pull it out onto the tarmac which will be a job for another day.  :y

Thanks for the tips and advice.  :)
Does that translate into "its too bloody cold"?
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Sir Tigger QC

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Re: Dead Beemer!
« Reply #35 on: 03 January 2019, 19:06:05 »

The problem I have now is that its not in a safe place to jack and support it properly, as when we rolled it off the back of the truck last night, it ended up half on the tarmac and half on a gravelled area and that's where I abandoned it assuming it was dead!  :D

I jacked it this afternoon and it started to shift on the gravel as it's on a slope....   ::)

So I'll have to pull it out onto the tarmac which will be a job for another day.  :y

Thanks for the tips and advice.  :)
Does that translate into "its too bloody cold"?

See your flakey thread!  :)
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Re: Dead Beemer!
« Reply #36 on: 03 January 2019, 19:14:58 »

Unlikely to have popped out... Six bolts on the diff end and a 38mm nut on the other... Se my historical post about how well a rear wheel bearing swap went on my 525i ;D
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YZ250

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Re: Dead Beemer!
« Reply #37 on: 03 January 2019, 19:36:21 »

Unlikely to have popped out... Six bolts on the diff end and a 38mm nut on the other... Se my historical post about how well a rear wheel bearing swap went on my 525i ;D

I was thinking more behind that 6 bolt join Al. Diff Stub pinion flange to CV, or whatever it's called. I remember reading about this on the bimmerforum and just had a quick google now. Quite a few cases so worth a look in that direction, although you have first hand experience of that vehicle whereas I don't.  :y

 
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Re: Dead Beemer!
« Reply #38 on: 03 January 2019, 19:57:54 »

Abs/gearbox electrickery prevented any further calamaties ;D
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Re: Dead Beemer!
« Reply #39 on: 03 January 2019, 20:07:01 »

Most likely a driveshaft joint stripped its splines,Beemer diffs are quite tough stuff normally  :y
I think you'd hear/feel that happening, Henry. Tigger said he lost power and didn't mention any nasty noises. It's more likely it's just popped out, I think.
But.....until the lazy bastard has a look and let's us know, it's only guesswork.

He'll be sleeping off a flagon of Darzett's best scrumpy.
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Sir Tigger QC

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Re: Dead Beemer!
« Reply #40 on: 03 January 2019, 23:06:14 »

Most likely a driveshaft joint stripped its splines,Beemer diffs are quite tough stuff normally  :y
I think you'd hear/feel that happening, Henry. Tigger said he lost power and didn't mention any nasty noises. It's more likely it's just popped out, I think.
But.....until the lazy bastard has a look and let's us know, it's only guesswork.

He'll be sleeping off a flagon of Darzett's best scrumpy.

Dry January.  ;)
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Re: Dead Beemer!
« Reply #41 on: 03 January 2019, 23:28:15 »

Wozzatthen ???

That resolution went straight out of the window on NYE... Finally called time at 1 am ;D
« Last Edit: 03 January 2019, 23:31:58 by Doctor Gollum »
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Kevin Wood

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Re: Dead Beemer!
« Reply #42 on: 04 January 2019, 00:11:14 »

Wozzatthen ???

That resolution went straight out of the window on NYE... Finally called time at 1 am ;D

Worst month on the calendar and some masochists try and tackle it without alcohol. ::)
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Sir Tigger QC

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Re: Dead Beemer!
« Reply #43 on: 04 January 2019, 01:03:52 »

Wozzatthen ???

That resolution went straight out of the window on NYE... Finally called time at 1 am ;D

Worst month on the calendar and some masochists try and tackle it without alcohol. ::)

Nah it's the best month on the calendar as we don't have to think about Christmas for another 8 months!  ;)
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Re: Dead Beemer!
« Reply #44 on: 04 January 2019, 09:24:39 »

Wozzatthen ???

That resolution went straight out of the window on NYE... Finally called time at 1 am ;D

Worst month on the calendar and some masochists try and tackle it without alcohol. ::)

Nah it's the best month on the calendar as we don't have to think about Christmas for another 8 months!  ;)
I manage to avoid thinking about it at Christmas, on the whole. :y
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