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Fuel pump replacement - sealer or no sealer

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JazzyJay71 View Drop Down
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    Posted: 19 Oct 2017 at 21:14
Hi peeps,

Finally found the cause of my running problems (hopefully), dodgy fuel pump.

I have taken the faulty one out and have a replacement, question is do I use a sealant such as hylomar blue when fitting it or am I OK to just rely on the O ring on the fuel pump base? Sorry if this is obvious to some but I'm learning as I go along.

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426hemi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 426hemi Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2017 at 22:34
If your tank hasn't distorted then the o ring should be ok.
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damo46 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote damo46 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2017 at 22:34
I had mine out a few years ago to replace the fuel filter and never used any separate sealer, just relied on the o-ring, never leaked.
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426hemi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 426hemi Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2017 at 22:35
But that's only if it's a plastic tank, metal tank o ring ok.
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JazzyJay71 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JazzyJay71 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2017 at 22:38
So u saying if plastic tank which mine is, use sealant?
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426hemi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 426hemi Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2017 at 22:45
Only if it's distorted through ethanol.
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JazzyJay71 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JazzyJay71 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 05:24
It doesn't seem distorted.   Sorry if I sound dumb here, but distorted through ethanol?   Is this a by product of petrol?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote redratbike Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 06:22
Originally posted by JazzyJay71 JazzyJay71 wrote:

It doesn't seem distorted.   Sorry if I sound dumb here, but distorted through ethanol?   Is this a by product of petrol?
causes the tanks to swell and get mis-shaped

I'd go belts and braces and use some sealer just in case on a plastic tank....do not over tighten ...torque down in the correct sequence as per the workshop manual


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Mr Miller View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mr Miller Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 10:16
What he said and look out for the rings in the quick release,
mine took the huff at being disturbed.. I use old blue by the way ..
If you find us in a hedge check the bike first please .. I`m free on the NHS...
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Stevex View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stevex Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 13:11
I've read it's the water that's absorbed in the ethanol that causes the bubbling and swelling.
If you leave the tank empty with the pump removed the water eventually evaporates and the tank returns to normal shape..ish. I'm giving this a try over winter as I want to check my pump out and my front bolts are a bit tight.
People say I don't know Jack Sh1t; but I do, he lives next door.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Diablo Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 16:10
Not a fan of sealant here personally. If it's distorted where the pump is, you may need to use a heat gun and straighten it out manually by hand, checking against a straight edge.

As Steve says, an open tank, left in an airy warm place will dry out over time, but we are talking months, not weeks, not a process that can be hurried, but the best thing you can do if it's swollen. I drain mine down over winter and leave the cap open, but an airing cupboard would probably be better.

The best way of refitting a swollen tank, is to put the front bolts in first loose, then push the rear 4 bolt mount into position and tighten everything up.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 16:19
Has anyone tried hanging one of those de-humidifier bags (Available from Aldi and elsewhere) down inside an empty tank over the winter? Doing this with the cap closed would prevent moisture from the air in the garage overwhelming it. Just a thought.



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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stevex Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 16:58
That's a very good idea on a tank with the pump out, will give it a go myself.
People say I don't know Jack Sh1t; but I do, he lives next door.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Diablo Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 17:15
BP Ultimate unleaded is ethanol free in my area. You need to check that it is for your area though, as they do add it in a few places in the UK. I don't want to start another dreaded ethanol petrol debate!! But after I dried my tank out, it's been good with this. That being said, I'm keeping an eye out for a mint tank to keep for the future, along with a few other bits that I think will become a bit harder to find in a few years. Oh for a carbon tank.... sorry day dreaming for a mo there

 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mr Miller Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 17:56
Originally posted by Diablo Diablo wrote:

I'm keeping an eye out for a mint tank
Does ethanol no eat mint then ?
If you find us in a hedge check the bike first please .. I`m free on the NHS...
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Diablo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Diablo Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 17:59
LOL LOL prefers extra strong to Polo's I think
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JazzyJay71 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 23:16
Thanks for the advice guys.... I checked there was no distortion before fitting the pump, and there wasn't any. I used Hylomar Blue as a sealant and then tightened the pump bolts in the correct manor.   The high pressure fuel line was a butch to get back on though gggrrr, but I managed it eventually.   At first there seemed to be a leak from the banjo bolt.   I tightened it up and all seems good now. Leaving a small amount of fuel in it over night before bolting the tank down.   I will check again in the morning for any leaks.   Hopefully all is OK.   I'll post results of my test ride here 👍👍👍👍
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JazzyJay71 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JazzyJay71 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 23:17
*bitch
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mr Miller Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2017 at 23:25
.. whatever ..
If you find us in a hedge check the bike first please .. I`m free on the NHS...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote badapple Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2017 at 01:21
I've had to take the pump off my gen2 and it is a pain until you do it a few times then it all goes back without any dramas.I also used hymolar sealant just to be sure as my tank was a bastard to put back on the first time so didn't want to do it again in a hurry been using esso super since I bought it and it has definitely helped.
I started out with nothing and I've still got most of it left
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