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Bleeding fuel system.

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Bleeding fuel system.

Postby rsjon » Sun Mar 11, 2007 6:32 pm

Hello! This is my first post! I have just replaced the fuel metering solenoid on a 53 plate FWD 2.0 Tranny and CANNOT get the fuel system to bleed! :( Initially it started ok but soon stopped and will not bleed/start. I know these are tricky to bleed (I've had fun before with filter heads and pipes) but this seems really bad. There is no primer on the filter head and I have tried vacuum on the injector pipes to no avail. When cranking a small ammount of fuel comes out and air, but not enough to start I don't think. Can anybody help and give me a definitive sequence for bleeding the horror!! :lol:
Thanks, Jon.
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Postby MrMPuk » Sun Mar 11, 2007 8:40 pm

If you're not getting fuel when you crack the injectors then I would say you still have a problem.
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Postby rsjon » Sun Mar 11, 2007 9:05 pm

Absolutely! I know I still have a problem, but how do I get rid of the problem? There was no running problem before the solenoid change, it just leaked! Jon.
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Postby MrMPuk » Sun Mar 11, 2007 9:06 pm

Perhaps the solenoid you have is defective.
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Postby Luke » Sun Mar 11, 2007 9:11 pm

try the old solenoid back in :?:
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Postby motorwise » Sun Mar 11, 2007 9:59 pm

these can be pigs to bleed just keep at it for a while longer
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Postby AndyG » Sun Mar 11, 2007 10:58 pm

Wouldn't a good tow get it going :idea: :?:
Or is the mk6 too delicate :?:
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Postby WINDSCREENGUY » Mon Mar 12, 2007 1:56 am

lol just had this problem on my 04 mk6 , i ran out of diesel cracked the injectors off got fuel there but still dont start. called the rac we towed it at 40mph , tried easy start and still no joy so its of to fords. as the rac man gave up could it be the diesel pump as i ran it dry?
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Postby rsjon » Mon Mar 12, 2007 9:12 am

I'm sure I read somewhere about having to vacuum the fuel through to the injectors as there is no high pressure until all the conditions are correct and the PCM allows the pump to produce high pressure. Did I dream this?! Jon.
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Postby rsjon » Tue Mar 13, 2007 6:58 pm

Thanks to all who answered, I have suceeded in bleeding the fuel system by using a pump to force fuel through the pipes until it was air free. It then started. VERY tricky to bleed and I think once air is in the system it just circulates round so cranking can not help. I am also dubious about towing it as there will be no oil pressure to the timing chain tensioner! Thanks again, Jon.
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Postby ed4002 » Tue Mar 13, 2007 7:58 pm

rsjon wrote: I am also dubious about towing it as there will be no oil pressure to the timing chain tensioner! Thanks again, Jon.


That don't make sense dos it? Isn't the oil pump driven by the chain or one of the belts?
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Postby Guy88 » Tue Mar 13, 2007 9:20 pm

There will be oil pressure becaust the engine turning :D
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Postby rsjon » Fri Mar 16, 2007 9:30 pm

Further to all the posts, I have discovered that one way of bleeding it is to temporarily put in a filter housing with a primer pump, like the one fitted to older Peugeots and Escorts etc. You can then pump fuel through and get rid of the air. Then it dawned on me that you could use a 'bulb' type primer, as fitted to Peugeots and Rovers. This could be bought from a scrappy and left in place in the fuel line on your Tranny. Then I noticed in a new Sealey service tool "2007 promotion" pamphlet, that you can buy a "diesel fuel priming tool" which is a bulb type bleeder that looks perfect for the job. Pt no is: VSE055 and I'm buying one NOW! Only cost £12.95 +vat. Website is: http://www.sealey.co.uk . I do hope this helps some people because I know when forums have helped me in the past it's been really great. The van in question, by the way, is running perfectly with no leaks. The solenoid is still not available as a seperate part from Ford, so go to your Diesel specialist or Bosch. You will also need the special tool, again see your diesel guy. Stoneycroft diesel in Liverpool got me these parts and could not have been more helpful-highly recommended. Happy bleeding, Jon. :D :D :D
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bleeding fuel system

Postby lincolnimp » Wed May 23, 2007 10:13 pm

An old trick for any diesel syetm which is a bugger to bleed is to put a air hose into the filler. Hold it in with a bit of rag to keep the pressure in. THE IMPORTANT BIT: Only have the air hose just turned on- you don't want ot split the tank!
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Re: bleeding fuel system

Postby Guy88 » Wed May 23, 2007 10:16 pm

lincolnimp wrote:An old trick for any diesel syetm which is a bugger to bleed is to put a air hose into the filler. Hold it in with a bit of rag to keep the pressure in. THE IMPORTANT BIT: Only have the air hose just turned on- you don't want ot split the tank!


Done that befor :oops: :oops:
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