Author Topic: I30 clutch master cylinder  (Read 569 times)

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  • gb United Kingdom
    East Sussex
I30 clutch master cylinder
« June 26, 2018, 05:37:20 »
Hi folks,
My High and dry i30 had for years has been struggling to get into gear, after looking on good old YouTube I found a fix. I removed the dampener from the master cylinder and guess what ...it's worked, sump plugged now where dampener used to be.  But the retaining clip doesn't seem to be holding so once the hydrolic  pressure builds up the thing pops apart, I've temporary put a zip tie on to hold together, just to get me to a garage if I need to.
I was wondering if anyone could offer advice as to what I've done wrong and point me in the right direction to fix it rather than take to garage. Tia

« Last Edit: June 26, 2018, 05:46:40 by Steve_mcn » »


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Re: I30 clutch master cylinder
« Reply #1 : June 26, 2018, 08:20:28 »
Sorry, I can't help, but  :welcumwagon:

Some good news there anyway!
  • MY18 PD SR & 2014 1.6 GDi Tourer (Prev had 2008  i30 CRDi & MY11 Petrol CW)

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  • au Australia
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Re: I30 clutch master cylinder
« Reply #2 : June 26, 2018, 15:37:39 »
you can see that retaining clip has not locked in or is bent on the firewall side so it will just blow off under pressure.

maybe the mating surface has been damaged but only you will be able to tell.

Example image only, not actual part number fitted

  • 2008 i30 SLX CRDi Auto, 2010 i30CW SLX CRDi Auto. 2008 i30 CRDi SX manual, Welly

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  • gb United Kingdom
    East Sussex
Re: I30 clutch master cylinder
« Reply #3 : June 27, 2018, 02:30:49 »
Pin looks ok but I suppose it could be damaged, although it does look ok. Is that a pic of the part number by any chance, might just buy a new one 👍

Thanks for reply
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Re: I30 clutch master cylinder
« Reply #4 : June 27, 2018, 03:05:28 »
you can see that retaining clip has not locked in or is bent on the firewall side so it will just blow off under pressure.

maybe the mating surface has been damaged but only you will be able to tell.

Example image only, not actual part number fitted


Is it seated correctly, try  twisting and push. Pretty simple design. That clip must lock across a ridge or fall in a keyway.

I don't know what it slots into but if it's plastic maybe the ridge is damaged, I'd remove it and have a closer look.

  • 2008 i30 SLX CRDi Auto, 2010 i30CW SLX CRDi Auto. 2008 i30 CRDi SX manual, Welly

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Re: I30 clutch master cylinder
« Reply #5 : June 27, 2018, 04:17:19 »
Pin looks ok but I suppose it could be damaged, although it does look ok. Is that a pic of the part number by any chance, might just buy a new one 👍

Thanks for reply

Gerard has only used the picture as an example. It does say not necessarily correct part number...
  • MY18 PD SR & 2014 1.6 GDi Tourer (Prev had 2008  i30 CRDi & MY11 Petrol CW)

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  • gb United Kingdom
    East Sussex
Re: I30 clutch master cylinder
« Reply #6 : June 27, 2018, 05:38:28 »
Thanks, Iíve checked and re-checked but clip only seems to go in one way (the way I removed it)...if I can locate the part, hardy than it should be to locate lol Iíll replace the whole thing.
Iíve read that itís also called a clutch regulator, whoíd a thought 🤪
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Re: I30 clutch master cylinder
« Reply #7 : June 27, 2018, 05:43:10 »
Thanks, Iíve checked and re-checked but clip only seems to go in one way (the way I removed it)...if I can locate the part, hardy than it should be to locate lol Iíll replace the whole thing.
Iíve read that itís also called a clutch regulator, whoíd a thought 🤪
yeah, but which part are you replacing? which part is damaged? the master cylinder end or the damper end? They are individual components from what I see
  • 2008 i30 SLX CRDi Auto, 2010 i30CW SLX CRDi Auto. 2008 i30 CRDi SX manual, Welly

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Re: I30 clutch master cylinder
« Reply #8 : June 27, 2018, 05:45:50 »
There was another thread after yours which i tought was you on the same parts. I put some numbers in there for RHD just not sure if same for your UK car.
  • 2008 i30 SLX CRDi Auto, 2010 i30CW SLX CRDi Auto. 2008 i30 CRDi SX manual, Welly

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  • gb United Kingdom
    East Sussex
Re: I30 clutch master cylinder
« Reply #9 : June 27, 2018, 07:10:55 »
Iím replacing the damper end, well I say that, Hyundai want £80 + VAT !! If anyone needs the part number here it is : 416901H900
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