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+--- Thread: Bosch fuel pump leaking badly (/showthread.php?tid=20338)
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Bosch fuel pump leaking badly - andyyy - 11-01-2014
I have a 205 with a 306 1.9 TD lump in it and the fuel pump is leaking fuel badly about a 50cm on the floor over ten minutes why would it do this how can I fix it ?
Also down on power a lot and won't rev up
RE: Bosch fuel pump leaking badly - Danny2009 - 11-01-2014
Leak off pipes if check first could be any seal on the pump
RE: Bosch fuel pump leaking badly - andyyy - 11-01-2014
(11-01-2014, 06:36 PM)Danny2009 Wrote: Leak off pipes if check first could be any seal on the pump
Leak off on injectors? There fine iv just replaced all the fuel lines and f filter
The leak offs are fine its leaking (dripping) out the bottom of the fuel pump
RE: Bosch fuel pump leaking badly - ginge191 - 11-01-2014
find where the wet areas are; follow it around, find the source first. It's difficult as it could literally be anything from the pump, to the lines, to injectors and so on..
RE: Bosch fuel pump leaking badly - andyyy - 11-01-2014
Hi guys sorry to sound dismissive of your suggestions but iv spent 4 hours today checking where the leak is coming from and it is coming from the bottom of the fuel pump near the back of it roughly in the middle
What I really need to know is how to stop it
Sorry If I sound a bit funny
RE: Bosch fuel pump leaking badly - Craigus - 11-01-2014
either get another pump or re-seal the one you have.
RE: Bosch fuel pump leaking badly - andyyy - 11-01-2014
(11-01-2014, 06:50 PM)ginge191 Wrote: find where the wet areas are; follow it around, find the source first. It's difficult as it could literally be anything from the pump, to the lines, to injectors and so on..
(11-01-2014, 07:06 PM)Craigus Wrote: either get another pump or re-seal the one you have.
Okay how do I seal it ? Complete rebuild
RE: Bosch fuel pump leaking badly - Craigus - 11-01-2014
probably complete rebuild depending on where its leaking from
RE: Bosch fuel pump leaking badly - Chris_90 - 11-01-2014
Best to rebuild it all/ re-seal it all in one go no point replacing the 1 seal as most probably leak from another seal few days after changeing the one it's leaking from
RE: Bosch fuel pump leaking badly - Tom - 11-01-2014
Which bit do you call the back? lol
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
(11-01-2014, 06:50 PM)ginge191 Wrote: find where the wet areas are; follow it around, find the source first. It's difficult as it could literally be anything from the pump, to the lines, to injectors and so on..
(11-01-2014, 11:47 PM)Tom Wrote: Which bit do you call the back? lol
I mean the bit closest the engine . as in the really hard to see bit lol I'm going to check everything again today
What sort of job is rebuilding the pump ?
Are there any quick and dirty fixes ?
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
Alright iv had a look again and it seems like the point where the ally part of the pump meets the cast iron or steel part of the pump is leaking
Should I try tightening the bolts that hold the two together ?
RE: Bosch fuel pump leaking badly - Jimbo - 12-01-2014
Yeah could try that, id put money on it being a seal though
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
I'll give it a go because there's about .25 mm gap with fuel coming out
Also there are two bolts missing that hold the plate on these don't hold the halves of the pump together do they ?
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
Iv tightened the bolts as much as I dare and its still leaking is there a guide to change the seals ? And where do buy some from ? Autofactors ? And how long would it take ?
Failing that does anyone have a pump they would like to sell me ?
RE: Bosch fuel pump leaking badly - Tom - 12-01-2014
You wanna buy a seal kit. Get a picture of where its leaking from a someone can give you some advice. If its where i think it is you could just whip the plate off and replace the seal then put it back.
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
Okay iv marked up a photo off the web of where its leaking (seemed easier)
![[Image: CMIDm.jpg]](http://www.anony.ws/i/2014/01/12/CMIDm.jpg)
Between the red lines is where its leaking
The green circles are the bolts i tightened up ( on both sides )
Can some one reccomend a place to buy a seal kit from ?
RE: Bosch fuel pump leaking badly - Tom - 12-01-2014
Ooooo i swear piggy said he took the head off his pump with it on the car, personally its not something i would try. Theres a big o ring in there, do you run veg or have done?
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
I dont know who piggy is lol iv just joined
If I could take it off even just to see it would be preferable or is there likely to be a load of springs and little bits that will come flying out never to be found again?
yeah been running veg over the last couple of weeks - do you think its related ?
RE: Bosch fuel pump leaking badly - Tom - 12-01-2014
Theres 2 little springs that are a pain in the ass, they wont fly out just a pain to put back in the right place. People do say veg causes seals to go.
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
Yeah iv found this guide , ill try take it off next weekend with it on the car looks do-able just awkward...
http://www.eastment.net/boschpump8.htm
Tho it does say if done with the pump laying flat everything will fall out can some one confirm please !?!
hmm maybe time to stop using veg
Could you recomend a seal kit ? or confirm if this is the right one - http://www.ebay.co.uk/itm/BOSCH-VE-Turbodiesel-INJECTION-PUMP-SEAL-KIT-/271347532185?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item3f2d92c199
RE: Bosch fuel pump leaking badly - Craigus - 12-01-2014
Yeah thats the right kit mate. Good luck!
RE: Bosch fuel pump leaking badly - Tom - 12-01-2014
Well yeah you have to hold it at angle when you build it back up to keep everything in place. But piggy claims to have done one god knows how.
That guide is right though. I dont see how it can be done on the car. That seal kit should be fine, i paid a bit extra for a proper Bosch one, that one might be one though.
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
Thanks , Cant be any harder than engine swaps or doing a headgasket right?
RE: Bosch fuel pump leaking badly - Tom - 12-01-2014
Basically same as headgasket, but you take the pump off instead of the head. So not really the same at all.
RE: Bosch fuel pump leaking badly - andyyy - 12-01-2014
So almost definately need to take it off the car , unless this mysterious piggy can come along and tell us the secret of how to do it one the car lol ?
Iv ordered the kit so will have a go next weekend
ha ha lol i mean difficulty wise , ill probably just do that seal tbh as it doesnt seem to be leaking anywhere else and im a bit scared of taking it apart too much and not getting it back together right as i know foook all about how it works lol
RE: Bosch fuel pump leaking badly - Tom - 12-01-2014
Yeah imo take it off is the only way but i dont know much tbh!
RE: Bosch fuel pump leaking badly - andyyy - 13-01-2014
Is it possible to take the pump off with the Pump bracket (for want of better word) still attached so i can avoid removing the pulley ?
If you dont know what i mean by pump bracket im on about the one that hold the pump to the engine.. ie. the one you would unbolt the pump from. But instead just remove the whole lot
Infact might be easier to explain with a photo
So i mean leave this attached to the pump when i remove it ?!?
![[Image: %24_58.JPG]](http://i.ebayimg.com/t/PEUGEOT-406-FUEL-DIESEL-PUMP-MOUNTING-BRACKET-1-9-TD-96-04-FREE-DELIVERY-/00/s/MTIwMFgxNjAw/z/q-UAAOxyzi9Sij7A/%24_58.JPG)
RE: Bosch fuel pump leaking badly - mikey b - 13-01-2014
Not sure if you can get to the top bolt on that bracket with the pump on
RE: Bosch fuel pump leaking badly - Craigus - 13-01-2014
Its not hard to take off the pulley and take the pump off the bracket