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Oil leak update and engine part identification help!

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1 year 3 months ago #44109 by Gareth Lloyd
Hi Everyone,

Oh Lord......you've all been so patient listening to my oil leak saga!
Had a furious moment today after taking the X1/9 for a spin to find that the leak had only got worse.
Anyway, tried a couple of things and actually wrapped the distributor base in a cloth to see if it would catch it. After checking it on my return, I had an epiphany and finally found the source of the leak!
I'm posting this in the hope that it might help someone at a later date.
It's coming from just under what I think is a redundant vacuum pump for the old ignition system. If someone could confirm that's what it is I'd appreciate it.
(I've attached a photo)
From underneath, it's spraying oil over the distributor base and it's going everywhere.
Now, the question I have is if I can just remove this and blank it off somehow?
Does it need an oil drain to this?.....is there such a thing as a blank plate and gasket after it's removal?
Has anyone done this before?
Thanks,
Gareth.

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1 year 3 months ago #44112 by Gareth Lloyd
......well.....reliably informed by fellow club member Kev Williams that it's the old redundant fuel pump as I have an electric one fitted.
I've removed it and would you believe that the little hole in the side of this old fuel pump has been the headache I've had for months!
(I've attached a photo)
Oil has been been spraying out of this hole every time I took it for a drive and making me insane!
Now to either blank it off or block the tiny hole with a small grub screw maybe.

The lesson to be had here is to never give up!!

Gareth.
The following user(s) said Thank You: Andy Rowley

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1 year 3 months ago #44115 by ricardo a p roadnight
ive left mine in situ , but i really recommend jb weld , that will def plug that hole , its the best adhesive / metal repair you can buy

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1 year 3 months ago #44116 by ricardo a p roadnight
but im also sure eurosport do a blanking plate

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1 year 3 months ago #44120 by Gareth Lloyd
.....I couldn't find one on Eurosport but ordered a mechanical fuel pump blanking plate with gasket from Ebay.
Hopefully this will finally solve the oil leak and return my sanity!!!
The following user(s) said Thank You: ricardo a p roadnight

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1 year 3 months ago #44126 by Alan Hutton
I fitted an electric fuel pump - most excellent mod!!!!
I removed my mechanical pump and bought a blanking plate and gasket from DG Rally
sorted.
The following user(s) said Thank You: Gareth Lloyd

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1 year 3 months ago #44127 by Gareth Lloyd
......that's where I've got my blanking plate from Alan!

I still can't figure out why the old fuel pump has that hole underneath as in the photo.
It looks like it's been formed there but I haven't got another old mechanical fuel pump for reference.

Gareth.

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1 year 3 months ago #44128 by Alan Hutton
No facts but just a guess - an air bleed on the other side of the diaphragm perhaps??

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1 year 3 months ago #44129 by Gareth Lloyd
......yes, perhaps Alan.
It would make sense.
Perhaps the diaphragm has perished inside and allowed the oil and fumes out.
It took so long to find because from every angle you look at it, the tiny hole was underneath the body of it.
When I put my finger near the hole with engine running, it was throwing oil out all over the place.
Engine and the area all now cleaned off waiting for the blanking plate and gasket to be delivered!

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1 year 3 months ago #44130 by Gareth Lloyd
.....well, that was what I thought was going to be an easy job that turned into a faff!
It turned out that the blank plate gasket wasn't quite big enough to cover a small hole where the old mechanical pump attached.
I had to go out and buy some gasket sealant.
Secondly, the existing bolts in the block for the pump weren't threaded all the way and the blank plate wasn't thick enough to space off to where the thread started.
So, had to go out and get some washers to space off the nuts!
Anyway, all done and oil leak finally fixed!......one happy X1/9 owner!!
The following user(s) said Thank You: Alan Hutton

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