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Author Topic: Unusual one with the Zaf this morning  (Read 21260 times)

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Marks DTM Calib

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Re: Unusual one with the Zaf this morning
« Reply #60 on: 15 May 2018, 16:43:20 »
They are a shit to bleed, I could only ever get it to work reliably working bottom up with a syringe......... ::) ::)
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Doctor Gollum

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Re: Unusual one with the Zaf this morning
« Reply #61 on: 15 May 2018, 16:47:07 »
Quote from: Fuse 19 on 15 May 2018, 16:43:20
They are a shit to bleed, I could only ever get it to work reliably working bottom up with a syringe......... ::) ::)
I saw something suggested about reverse bleeding from the NSF brake caliper using the brake servo to do all the work... Sounds pretty crafty as it also keeps the reservoir topped up (after the initial pipe fill of course) 8)

That is if it actually works  :-\
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Matchless

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Re: Unusual one with the Zaf this morning
« Reply #62 on: 15 May 2018, 16:57:12 »
As soon as the pedal moves down slightly then the port from the reservoir into the cylinder closes so you cant force fluid through the way you were trying. Got to be with the pedal up. Would have to be a serious leak for this to work anyway.
If you can get to the bleed screw and bleed the system...or ideally push fluid IN through the bleed screw until it comes out of the header then you should have a working clutch for a day or so.

Fuse19...do you want me to bring the engine beam on Thursday??? ::)
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henryd

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Re: Unusual one with the Zaf this morning
« Reply #63 on: 15 May 2018, 17:10:45 »
Quote from: Doctor Gollum on 15 May 2018, 16:18:55
If it's run dry, master might also be shot...

Just had this very conversation about my Merc as they cannot get it to bleed...

Slave failure on my Altea had a similar net result, but fortunately that was under warranty. Clutch master on the Omega seems to suffer abuse more readily... :-\

You will never bleed the Merc normally,peice of rubber hose from nearside front wheel bleed nipple to clutch slave nipple,open both nipples and pump brake pedal a few times,fluid won't need topping up as it ends up back in the master anyway,this works a treat on A class as I've done it :y

edit ,too late again ,already been done :-\
« Last Edit: 15 May 2018, 17:12:19 by henryd »
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Re: Unusual one with the Zaf this morning
« Reply #64 on: 15 May 2018, 18:09:39 »
Quote from: henryd on 15 May 2018, 17:10:45
Quote from: Doctor Gollum on 15 May 2018, 16:18:55
If it's run dry, master might also be shot...

Just had this very conversation about my Merc as they cannot get it to bleed...

Slave failure on my Altea had a similar net result, but fortunately that was under warranty. Clutch master on the Omega seems to suffer abuse more readily... :-\

You will never bleed the Merc normally,peice of rubber hose from nearside front wheel bleed nipple to clutch slave nipple,open both nipples and pump brake pedal a few times,fluid won't need topping up as it ends up back in the master anyway,this works a treat on A class as I've done it :y

edit ,too late again ,already been done :-\

I was staring at a fiesta after changing it's clutch recently and thought , how the bloody hell do you reverse bleed the bastard, I wish I'd thought of that ...genius solution  :y
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Doctor Gollum

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Re: Unusual one with the Zaf this morning
« Reply #65 on: 15 May 2018, 18:12:46 »
They're fitting a new master... Tbh, it had crossed my mind to change it as well as a) it's done the same mileage as the slave, and b) on the Altea both had failed and it saves a second garage visit :y
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Jimbob

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Re: Unusual one with the Zaf this morning
« Reply #66 on: 15 May 2018, 18:50:35 »
AA due by 8....Wish me luck!
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Re: Unusual one with the Zaf this morning
« Reply #67 on: 15 May 2018, 19:22:14 »
Quote from: Jimbob on 15 May 2018, 18:50:35
AA due by 8....Wish me luck!

I thought you were meaning me for a minute :D

Good luck James :y
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Jimbob

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Re: Unusual one with the Zaf this morning
« Reply #68 on: 15 May 2018, 19:24:41 »
Lol. Cheers! 
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Jimbob

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Re: Unusual one with the Zaf this morning
« Reply #69 on: 15 May 2018, 22:10:08 »
Had to upgrade my AA cover to get a tow. But I’m home!

Ahh well. Still been cheaper than buying better cover every year
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tunnie

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Re: Unusual one with the Zaf this morning
« Reply #70 on: 15 May 2018, 22:35:08 »
I do the sane, free basic AA via Halifax. Topped up to relay, mainly if the MrsT breaks down with the kids...
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Andy H

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Re: Unusual one with the Zaf this morning
« Reply #71 on: 15 May 2018, 22:45:56 »
Quote from: Entwood on 15 May 2018, 15:19:00
Quote from: Jimbob on 15 May 2018, 14:13:51
res filled, pumped brake and clutch pedal a lot, engine on and off, pedal still sinks straight down?

Sounds like a pipe or seal has given way and all you are doing is pumping fluid, not building up any pressure .... :(
When my manual Omega exhibited the same symptoms it was the flexi hose that had failed. Still had to drop the gearbox to change it  ::) I didn't change the slave cylinder and it was still working fine when I got ride of the car.

I drove that home using clutchless gear changes without too much drama :y

I imagine that a split hydraulic hose might close up tight and prevent fluid escaping under gravity but open up when real pressure is applied :-\
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Marks DTM Calib

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Re: Unusual one with the Zaf this morning
« Reply #72 on: 16 May 2018, 08:18:55 »
Need to get the battery tray out and have a look at the fluid lines now its home.  :y
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Jimbob

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Re: Unusual one with the Zaf this morning
« Reply #73 on: 16 May 2018, 11:42:30 »
Nowt I can see...
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Marks DTM Calib

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Re: Unusual one with the Zaf this morning
« Reply #74 on: 16 May 2018, 12:00:32 »
Got a syringe or easibleed?
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