Home > Technical (L322) > intermitant fuel leak |
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stan Site Moderator Member Since: 13 Jul 2010 Location: a moderate moderated moderator moderating moderately in moderation Posts: 35332 |
are sure its fuel leaking ? ... - .- -.
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13th Dec 2017 12:16pm |
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koiroger Member Since: 31 Mar 2017 Location: cardiff Posts: 16 |
yes defo diesel put fingers in it just to make sure wiff of diesel when near car have put tray under car to save tarmac drive cheers |
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13th Dec 2017 12:44pm |
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wayneg Member Since: 05 Jun 2013 Location: South Fremantle, Australia ( ex London ) Posts: 798 |
Check the fuel hose on top of the high-pressure pump, If the jubilee clip is lose it can leak randomly dependant on temperature 2007 TDV8 VSE
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13th Dec 2017 12:45pm |
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koiroger Member Since: 31 Mar 2017 Location: cardiff Posts: 16 |
that sounds like the pipe the garage done last Thursday said was loose they put new clip on it found it was still leaking Saturday booked back in Monday that's when they said needs new pump just started up after few seconds dripping put hand under drips def deasel but stops after a few seconds but thanks for the reply cheers rog |
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13th Dec 2017 1:25pm |
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Paul thornton Member Since: 23 Sep 2017 Location: Lancashire Posts: 545 |
Probably the high pressure fuel pump seals that have failed. It's quite a common issue.
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13th Dec 2017 3:28pm |
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wayneg Member Since: 05 Jun 2013 Location: South Fremantle, Australia ( ex London ) Posts: 798 |
I am no expert on these high-pressure pumps but I was under the impression that when they go south it's internal, not external leaks. I would remove the pipe, cut off 1cm then put back and tighten properly using a socket, not a screwdriver. You can get at it fairly easy just by removing the front engine/fan cover. I had to do mine for similar reasons, very diy easy ) This pic is from a BMW site but you get the idea.[img]
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14th Dec 2017 2:10am |
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koiroger Member Since: 31 Mar 2017 Location: cardiff Posts: 16 |
hi thanks guys for your advice very much appreciated cheers rog |
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14th Dec 2017 7:01am |
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koiroger Member Since: 31 Mar 2017 Location: cardiff Posts: 16 |
hi guys just to let you know it was the high pressure pump now sorted cheers rog |
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24th Jan 2018 7:40am |
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wayneg Member Since: 05 Jun 2013 Location: South Fremantle, Australia ( ex London ) Posts: 798 |
Did you do it yourself or get a garage to do it? Did they explain how it was leaking externally if it was not the hoses I pointed out? From all the reading I have done the BMW's version of the CP3 pump doesn't have an external weeping hole so the only place to leak is from the external hose connections or the seals which if failing allow fuel to pass into the timing chain case and contaminate the engine oil.
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24th Jan 2018 10:01am |
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koiroger Member Since: 31 Mar 2017 Location: cardiff Posts: 16 |
hi wayneg had a second opinion by a range rover specialist after first garage done pipe on top of pump but still leaking they sent pump away for repair have checked oil level just below full mark so don't think was leaking into sump cheers rog |
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27th Jan 2018 9:45am |
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olliecat2 Member Since: 30 Jan 2018 Location: FLINTSHIRE Posts: 13 |
When mine was dropping diesel it was the cabin pre heater. it wasn't igniting and fuel wasn't been burnt off. I had tank supply disconnected |
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31st Jan 2018 9:31pm |
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koiroger Member Since: 31 Mar 2017 Location: cardiff Posts: 16 |
hi yes the cabin heater was investigated but that was ok ( pity that would have been a cheaper fix ) cheers rog |
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1st Feb 2018 4:39am |
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