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Author Topic: Unusual one with the Zaf this morning  (Read 1937 times)

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Jimbob

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Re: Unusual one with the Zaf this morning
« Reply #75 on: 16 May 2018, 12:06:52 »

got an easybleed. 

What are you suggesting....Easybleed onto that nipple, force fluid back to header tank...

Pedal sorted.

However, what does that actually give me, short term fix assuming I ensure level always full?

deviator

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Re: Unusual one with the Zaf this morning
« Reply #76 on: 16 May 2018, 12:22:31 »

Once it's working as normal, you can check all the pipework over to see if there is any obvious leaks. If not and you are still dripping fluid, then it's probably gearbox out time.

EDIT

You wouldn't want to take a box out to find it's a pipe outside the box.
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Re: Unusual one with the Zaf this morning
« Reply #77 on: 16 May 2018, 12:23:16 »

Exactly that, force fluid in and get a peddle, keep it topped up as a short term fix.

Also proves where the failure is and what it is
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Re: Unusual one with the Zaf this morning
« Reply #78 on: 16 May 2018, 13:23:35 »

Connected it all up, opened nipple, no fluid seemed to go anywhere though?  what am I doing wrong?

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Re: Unusual one with the Zaf this morning
« Reply #79 on: 16 May 2018, 13:27:40 »

If it's anything like the Astra clutch nipple it is very fiddly and difficult to know if it is actually open.  IIRC the astra one took a fair bit more than the 1/4 turn the brake nipples took.
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Re: Unusual one with the Zaf this morning
« Reply #80 on: 16 May 2018, 13:38:41 »

If it's anything like the Astra clutch nipple it is very fiddly and difficult to know if it is actually open.  IIRC the astra one took a fair bit more than the 1/4 turn the brake nipples took.

Correct....Now bled, pedal used while bleeding too.
Tank full, normal, if not stiffer pedal.

Closed all up, used pedal some more, can see no leaks in the bay.....should I be peering up underneath, or nowt to see there anyway?

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Re: Unusual one with the Zaf this morning
« Reply #81 on: 16 May 2018, 14:27:23 »

If it's anything like the Astra clutch nipple it is very fiddly and difficult to know if it is actually open.  IIRC the astra one took a fair bit more than the 1/4 turn the brake nipples took.

Correct....Now bled, pedal used while bleeding too.
Tank full, normal, if not stiffer pedal.

Closed all up, used pedal some more, can see no leaks in the bay.....should I be peering up underneath, or nowt to see there anyway?

Look at where the engine joins the gearbox,thats where it will drip from,if its a very slow leak it could be months before you need to top up,try it and keep eye on level :y
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Re: Unusual one with the Zaf this morning
« Reply #82 on: 16 May 2018, 14:43:24 »

Use it a bit and check the brake fluid level regularly, should buy you some time  :y
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Re: Unusual one with the Zaf this morning
« Reply #83 on: 16 May 2018, 14:51:21 »

What do we actually think is broken then?  And in what way?

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Re: Unusual one with the Zaf this morning
« Reply #84 on: 16 May 2018, 15:18:34 »

What do we actually think is broken then?  And in what way?

Is the bleed nipple that plastic POS like on the astra?

If so it could be that.  I suspect mine is fubar as occasionally I get the same symptom you had but only when it has been standing overnight.  Once the clutch is depressed a second time it is resolved.  The plastic POS nipple is slightly loose and even though there is no leak it can move in and out by a few mm.  So I assume that the first press of the pedal in the morning is building up the pressure which pushes the part fully out and the second depress is moving the clutch fully.  I wonder if yours is the same it could also be leaking on the underside and it is tracking to the bottom of the bellhousing?

I need to get around to replacing it but the give-a-carp-o-meter is flicking very firkin low on it right now.
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Re: Unusual one with the Zaf this morning
« Reply #85 on: 16 May 2018, 15:22:41 »

Yes. Plastic nipple. Obviously wet now but was bone dry when I started

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Re: Unusual one with the Zaf this morning
« Reply #86 on: 16 May 2018, 15:28:26 »



Did you check underneath where is meets the block to check it was dry?
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Re: Unusual one with the Zaf this morning
« Reply #87 on: 16 May 2018, 15:55:46 »

Had a good a look as I could from above and nothing looked like it had leaked.

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Re: Unusual one with the Zaf this morning
« Reply #88 on: 16 May 2018, 16:51:19 »

What do we actually think is broken then?  And in what way?

Its most likely to be the concentric slave leaking,you'll know how much after a day or two's use
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Re: Unusual one with the Zaf this morning
« Reply #89 on: 16 May 2018, 20:36:45 »

What do we actually think is broken then?  And in what way?

Its most likely to be the concentric slave leaking,you'll know how much after a day or two's use


Yes, that.


They're no more reliable than an external slave, but require gearbox removal rather than a 20 part attached with a couple of bolts and needing 30 seconds worth of bleeding. We did one in the street outside the previous owner's house in the dark, while he put the kettle on. The look on his face when he came out with the coffees to find that Richard was test driving the car was priceless.
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