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Re: E39 520i Manual Gearbox or Clutch Costs. Anyone?
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CarGuru > BMW > Re: E39 520i Manual Gearbox or Clutch Costs. Anyone? 22 January 2007 13:35:10

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Re: E39 520i Manual Gearbox or Clutch Costs. Anyone?

Adder1969 22 January 2007 13:35:10
 
bfd wrote:>> You state that the "an aftermarket Sachs clutch was fitted." Was the pilot> bearing and/or pivot pin changed too? I recently had my clutch replaced when> the throwout bearing starting making a ton of noise. Besides a Sachs clutch> kit (pressure plate, clutch disc, throw out bearing), I also had the pilot> bearing and pivot pin changed. Further, I had the shop replaced the the> inner and outer seals in the tranny plus the shifter seal and pivot bushing.> In total, the cost was under $1,000US. The only complaint I had was the> shop used regular tranny oil which results in a stiff shifter. I will> replace with synthetic (redline or royal purple) when I get a chance.

I did one on a 325 a while back - the clutch kit was about 120
(US$200ish) BTW (and I got a free Sachs hat :-)­ ). I had a bit of a
judder before and I had a bit of a judder after too. Sometimes the
dual mass flywheel springs get old and don't shock absorb as much as
they should. Maybe I should have changed the flywheel too but I didn't
want the expense. 5-series are much easier to change clutch and
gearboxes on and incidentally, in the UK you can get 'boxes for about
150 if you don't go to the big rip-off BMW breakers.

Anyway, it *could* be that the clutch needs to bed in properly. ...or
it could be that it wasn't fitted properly.

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ChrisJ 22 January 2007 13:12:23 permanent link ]
 No. The only replacement was what was in the Sachs clutch kit (pressure
plate, clutch disc, throw out bearing)
I haven't changed anything else, althouth I do remember reading
somewhere about a pilot bearing but I'm not sure what/where that is in
the assembly. I've looked on realOem
(http://www.realoem­.com/bmw/showparts.d­o?model=DD12&mospid=­47537&btnr=21_0220&h­g=21&fg=05)
and all I can see is a clutch release bearing. I guess the guys at the
shop or BMW would know what it is. Either way its going back till
someone figures out why the clutch change is so choppy.

"ChrisJ" <welcomeback@gmail.­com> wrote in message> news:1169284191.929­167.181180@51g2000cw­l.googlegroups.com..­.> > Car was towed into the garage after the clutch completely failed.> > I took the car into the garage and even after insisting on the guys> > checkout the flywheel I was told the flywheel isn't the problem.> > However an aftermarket Sachs clutch was fitted. I didn't think the> > clutch pedal felt the same. I think the hydraulic system was> > compromised. I had to complain before the clutch was bled to have> > return to a somewhat normal pedal feeling. But now the problem is that> > the gearchange on the is new clutch is awful. I get the most awful> > judder when changing lower gears and now need to bring up the clutch> > pedal in the most ridiculously slow way. I'm talking about reving high> > and slowly bringing up the pedal. It feels like I'm driving a 950cc> > car.. I don't quite understand why this is the case. I suspect the> > flywheel isn't exactly alright. But these things ain't cheap and don't> > want to waste money on it. The worst part is, the stealer is quoting me> > double the price for an aftermarket one. I've heard of overheards but> > I'm sure the flywheel is either a LUK or Sachs and double the price is> > just ridiculous.> > Also I have read about the Clutch delay valve (CDV) which is supposed> > to slow down the clutch engagement regardless of how fast the pedal is> > released. But I didn't think those things broke as its a simple valve.> > Could this be the fault why my gearchange now seems to almost fall into> > gear, not a smooth change at all, without surgical feet precision in> > the gear changes.> >
I'm starting to run out of options here, anyone have ideas as to what> > could still be wrong with the car.> > The only option now is to change the clutch and flywheel. And maybe> > replace the CDV if it can ever be faulty. Perhaps even bleed out the> > entire system. Any ideas for the choppy gear change would be> > appreciated.> >
You state that the "an aftermarket Sachs clutch was fitted." Was the pilot> bearing and/or pivot pin changed too? I recently had my clutch replaced when> the throwout bearing starting making a ton of noise. Besides a Sachs clutch> kit (pressure plate, clutch disc, throw out bearing), I also had the pilot> bearing and pivot pin changed. Further, I had the shop replaced the the> inner and outer seals in the tranny plus the shifter seal and pivot bushing.> In total, the cost was under $1,000US. The only complaint I had was the> shop used regular tranny oil which results in a stiff shifter. I will> replace with synthetic (redline or royal purple) when I get a chance.

Add comment
Adder1969 22 January 2007 13:35:10 permanent link ]
 
ChrisJ wrote:> No. The only replacement was what was in the Sachs clutch kit (pressure> plate, clutch disc, throw out bearing)> I haven't changed anything else, althouth I do remember reading> somewhere about a pilot bearing but I'm not sure what/where that is in> the assembly. I've looked on realOem> (http://www.realoem­.com/bmw/showparts.d­o?model=DD12&mospid=­47537&btnr=21_0220&h­g=21&fg=05)> and all I can see is a clutch release bearing. I guess the guys at the> shop or BMW would know what it is. Either way its going back till> someone figures out why the clutch change is so choppy.>

The pilot bearing is part of the engine more than part of the clutch.
http://www.realoem.­com/bmw/showparts.do­?model=DD12&mospid=4­7537&btnr=11_1151&hg­=11&fg=20
They rarely go but can of course.

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CarGuru > BMW > Re: E39 520i Manual Gearbox or Clutch Costs. Anyone? 22 January 2007 13:35:10

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