no clutch after straight run

It is not brake fluid, it is clutch fluid. What you are talking about are brake fluids. Use either of the two fluids you mention and you'll certainly bugger up your system.

bowser said:
I am not sure that the last bit about the brake fluid is correct.
There are really only 2 types of fluid on the market Polyalkylene Glycol Ether based which is Dot 3, 3.1, 4 and 5.1 (the point 1 being very important) and fluid that contains Silicone which is basically Dot 5 only, apart from their wet and dry boiling points, all of the glycol ones are interchangeable, NEVER ever mix silicone and glycol as it will bugger up your system as the rubber in the seals has to be different as they expand at different rates in reaction to the different fluids. Standard fluid is normally glycol ether based fluid and that is exactly what should be used (DOT 4). AFAIK
Click to expand...
 
Astle's have just called me to say they also reckon the master cylinder is at fault. They're replacing it next week!

After the call, I checked this thread and guess what, your dealer says the same.

I hope they're right!

J
 
Fixed....!!

Astle (Grimsby) fitted a new master cylinder assembly today and the clutch now feels perfect - exactly like it should.

The mechanic's explanation that a seal in the master cylinder was faulty seems reasonable, and that if the system isn't leaking, so that there's no fluid loss, then the problem is most likely in the master cylinder. His rationale was that the slave cylinder either works or leaks. A non fluid loss air ingress is most likely to occur in the master rather than the slave because of the bypass for the reservoir fluid to enter the system.

Anyway, it feels so much better. Let us know how you get on.

Cheers

J
 
New Master clutch cylinder fitted today........and they noticed the lhs fork seal had blown - so replaced that as well !

So much for improved build quality from 2009 build........
 
ChrisDolphin said:
New Master clutch cylinder fitted today........and they noticed the lhs fork seal had blown - so replaced that as well !

So much for improved build quality from 2009 build........
Click to expand...

Hmm - the replacement of the New Master Clutch cylinder hasnt fixed the problem.......back in next week to try something new !
 
i had the same problem as you guys, but mine was on a ducati........... it turned out to be a broken spring in the slave cylinder. vibration from the clutch forces the piston back, because the spring had snapped it then had to be pumped to get the "lever back". maybe the same on the beemer, just a thought.


Hman
 
Third time to the dealer with this...

I've had this very same problem.

First time they bled the system. Tightened the bleed screw and hey presto, it recurred within 3 days/60 miles

Second time, they changed the master cylinder. Very oddly, it was fine for most of our Spanish tour, that being some 1300 miles (of mostly motorway) riding. But the problem recurred on the Madrid ring road.

I'm taking it back tomorrow. Is it the slave? Is it the master? Is it the hydraulic line?

To be honest, I'm going to ask them to replace all three. I'm getting heartily fed up at dragging the bike to the dealer for the same problem, and really pissed off at having to change the route back to Bilbao from Burgos. I want the bloody lot changing. Unreasonable? Maybe, but I want it sorted.

J
 
I feel a lot better reading this thread,happened to us last week exiting a French motorway to a rest area,could not change down out of 6 th,a lot of frantic clutch squeezing and gear change booting and it did change but not well and did'nt register all the gears on the indicator,as soon as I stopped the bike stalled.Rode it around for a min and all seemed ok so carried on,same thing happened at the next peage,another look around and the only thing noticed by a friend travelling with us was that the clutch lever adjuster was really loose,re-adjusted this [we can't see how this would cause the problem as we assume it only sets the lever distance ? ] and all was ok for the rest of the trip,around 700 miles,have'nt had a chance to get it to the dealers yet for a check-over but will keep you updated.

Cheers Jockey
 
Same Shyte

Picked up my 09 gsa Demo with 500 miles on the clock... After riding for an hour or so in 6th came to change down and got to the last cm of travel before the clutch disengaged.... Not happy!! By the looks of it the only sure way is to change the Master & Slave cylinder plus check all couplings for air getting in....:(:(:(
 
I had something similarish happen to me in Belgium in May(on my GSA 09 model) had ridden maybe 150 miles that day, at a junction in 1st gear,clutch in, and it just slowly let itself out and so I stalled, tried to restart whilst still holding clutch in, bikes tries to jump forward, mates looking at me as if I had forgotton how to ride a bike!!! Pulled over for 2 mins, then everything ok again, same thing happened a couple more times later in the day. but since then covered at least another 1000 miles prob has not returned. Bike has now covered 5000 miles so will get a full check at the 6000 mle.
 
Frankh said:
...tried to restart whilst still holding clutch in, bikes tries to jump forward, mates looking at me as if I had forgotton how to ride a bike!!! Pulled over for 2 mins, then everything ok again, same thing happened a couple more times later in the day. but since then covered at least another 1000 miles prob has not returned...
Click to expand...

Seems strange that this problem is intermittent, any theories?
 
same thing........

Just back from a near 3000m lap of Europe, 230m to the chunnel and.......

Can I stop at the check in? can I hell:eek:

Stalled it (09 GSA) let it cool down and all was then good to go. No other problems but was always worried when coming to the peage etc.

I'm convinced it's heat related.

Off to the dealers we go......I say WE as a mate on another GSA had the exact same thing:confused:

Roger.
 
hi mate, i had the same probem with my 08 adventure. i had no problem when doing short rides but when i got on the motorway for an hour or so i had no clutch. got the bike to my local dealer were they found that there was an air lock in the clutch system. they bled it and its been sound...:thumb2
 
update........

From my post on 28/6 my mate has had his GSA in for the clutch to be checked over.

Dealers have relpaced the slave and intended to replace the master cylinder BUT they are on back order and in fact being RE-DESIGNED as the standard one is flawed and draws in air:confused:

No date yet for the incoming new part but anticipate a rush so get yours on order.

Roger
 
Add me to the growing list. 09 GSA, and I also noticed just after Millau. Got a bollocking from the wife until I discovered I was not being unduly harsh, the clutch was not engaging. After pumping it a few times, it comes back...

I phoned BMW emergency, but not holding my breath...
 
Clutch Problem

BuGsBuNnY said:
Add me to the growing list. 09 GSA, and I also noticed just after Millau. Got a bollocking from the wife until I discovered I was not being unduly harsh, the clutch was not engaging. After pumping it a few times, it comes back...

I phoned BMW emergency, but not holding my breath...
Click to expand...


Update: THE Master Cylinders for my bike should be with the Dealer around the 22nd July almost a month to the day of reporting the fault.....and i don't think it's the updated one......just have to wait and see:mad:
 
Nippy Normans supply Touratech, Wunderlich, Desert Fox and many other makes of accessories.
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