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Fuel filter replacement problem


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#1 danzz41

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Posted 16 August 2011 - 06:26 PM

Hi,

I´ve just tried to replace fuel filter paper element on my mondeo 2.0 TDCi but with no success. The problem was when I was emptying the fuel filter by draining bolt at the bottom of filter, diesel hadn´t stop flowing from it. I was expecting a half of litre of diesel or something but it was much more. When I got 2 litres of diesel i stopped it assuming I was doing something wrong. Do I need to disconnect some pipe from tank or the electric connector plugged into the filter? Any advice would be appreciated.

Thanks, Martin

#2 JasonH

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Posted 16 August 2011 - 08:47 PM

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I had exactly the same problem. I was using a 2 litre plastic milk carton to collect the diesel. I filled it 3 times!!!! I had to empty it into my other car because that had a normal filler neck (carefully only pouring the clean diesel in I might add).

As there was no way the filter could hold 6 litres (2 maybe) I cautiously undid the filter housing with the drain open. That broke the vacuum that was causing the syphoning and the diesel stopped coming out.

After that hiccup I had a bit of a result bleeding the system. I made the contraption pictured here and used a vacuum cleaner. It bled the system perfectly in about 20 seconds without getting any diesel in my vacuum cleaner. The vacuum even held the hose onto the jam jar!

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#3 silverzetec

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Posted 17 August 2011 - 08:41 PM

Thats a fantastic system.Wish i had seen that last week.

#4 danzz41

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Posted 18 August 2011 - 06:45 AM

Jason, your bleeding stuff is just brilliant :)

after all I took my car to a Ford dealer to change the filter for me. Then I asked the mechanic for some tips on how to do it and he told me this:

1. disconnect two pipes and electrical connector
2. plug pipes to prevent aeration of fuel system
3. drain diesel from filter housing using the drain bolt (aprox. 1 litre)
4. unmount the whole filter, replace paper element
5. fill the filter with diesel as much as possible
6. mount the filter to its holder, connect both pipes and connector

That was it, bleeding wasn´t necessary. But if it was I made bleeding pump from a hose of bike pump connected to this http://www.akcni-nar...adickami-yt0707, it´s one-way oil pump (cost me £12) and together work great.

So I hope next time after 40.000 km I´ll make it by myself :)

#5 herrbohnen

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Posted 19 August 2011 - 07:06 AM

you should be on TV with ideas like that !

#6 JasonH

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Posted 19 August 2011 - 08:02 PM

Jason, your bleeding stuff is just brilliant :)

after all I took my car to a Ford dealer to change the filter for me. Then I asked the mechanic for some tips on how to do it and he told me this:

1. disconnect two pipes and electrical connector
2. plug pipes to prevent aeration of fuel system
3. drain diesel from filter housing using the drain bolt (aprox. 1 litre)
4. unmount the whole filter, replace paper element
5. fill the filter with diesel as much as possible
6. mount the filter to its holder, connect both pipes and connector

That was it, bleeding wasn´t necessary. But if it was I made bleeding pump from a hose of bike pump connected to this http://www.akcni-nar...adickami-yt0707, it´s one-way oil pump (cost me £12) and together work great.

So I hope next time after 40.000 km I´ll make it by myself :)


Blimey that's a hard way.

1. I loosened the drain nut, drained the filter.
2. Unscrewed the filter cap.
3. Replaced the filter and gasket put the cap back on.

That's the filter replaced, now the bleeding

4. Screw the shraeder valve of the bike pump attachment of the contraption above to the fuel bleed valve
5. Use the vacuum cleaner to pull the air and diesel through until no more bubbles

Could do it in 20 mins now I know how.

#7 maximumx4

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Posted 08 October 2011 - 03:19 PM

Just prchased Mk 4 mondeo 2.0 tcdi went to replace fuel filter and its gone!
Cant find it any where? Where did they put it .. Thanks


The Info on the Pollen filter was great better to take out glove box though!

#8 JasonH

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Posted 09 October 2011 - 01:51 PM

Diesel filter on the 2.0 is between the rear wheels under the car - you can just about access it without jacking the car up.

#9 SJJ

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Posted 28 March 2012 - 06:11 AM

Hi

First of all sorry to drag up an old thread.

When you connect the shraeder valve to the bike pump attachment do you remove the centre from the valve.
Mine went in yesterday for a fuel filter change and it now wont start.

Many thanks

Steve

#10 herrbohnen

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Posted 29 March 2012 - 06:31 PM

No , the bike pump pipe pushes on the valve centre and allows flow , otherwise you would never be able to take the pipe back off




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