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zinczonk

Member Since: 07 Jun 2017
Location: london
Posts: 5

2000 Defender 110 2.5 TD CSW Epsom Green

Defender 110 TD5 Noisy Fuel Pump

Hi,

I changed my fuel filter as it was leaking fuel. The job went well and the vehicle starts every time but now I have a terrible whining noise coming from the fuel tank/ fuel pump. I think it might be air in the system. How to I fix this problem. I've bleed the system lots of time but no luck. New fuel pump? It seems strange that it would need a new one just because I changed the fuel filter.

any advice would be much welcome
cheers

7th Jun 2017 9:48am

ian series 1

Member Since: 17 Nov 2014
Location: south
Posts: 3127

2008 Defender 90 Puma 2.4 CSW Bonatti Grey

Did you bleed it using accelerator pedal procedure?
you may have to do this several times, what make of filter did you fit?
The cheap and nasty ones can cause bleeding/trapped air problems. 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.

7th Jun 2017 10:09am

ian series 1

Member Since: 17 Nov 2014
Location: south
Posts: 3127

Just a thought?
You say your filter was leaking, was it the filter, or the housing/pipe work? 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.

7th Jun 2017 10:11am

zinczonk

Member Since: 07 Jun 2017
Location: london
Posts: 5

I don't think is was the pipe work as it's not leaking now. I bought this filter

https://www.rimmerbros.co.uk/Item--i-WJN000020P1

Would that be considered a cheap and nasty one?

I have bleed it using accelerator pedal procedure more that 20 times?

thanks for getting back to me

7th Jun 2017 10:16am

ian series 1

Member Since: 17 Nov 2014
Location: south
Posts: 3127

If everything was fine before hand I'm sure it's just trapped air somewhere,
More sinister things like pump, pressure regulator, head, injector seals, would cause this
But as yours has only started just after changing filter I think you could rule them out this time?

Take it for a good drive, I've had this happen too, and it did finally sort itself out.

Did you fill the filter with diesel before fitting? 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.

7th Jun 2017 10:29am

zinczonk

Member Since: 07 Jun 2017
Location: london
Posts: 5

It's been on a good drive to Devon and back. No luck.

I didn't fill the filter with fuel before fitting. Could this be it?

7th Jun 2017 10:31am

ian series 1

Member Since: 17 Nov 2014
Location: south
Posts: 3127

Ok, that was a long enough drive

I would try a different filter before digging any deeper,

But there are a few visuals to check first,
Have you had a look around the pressure regulator for any signs of leaking?
No drips on the floor? 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.

7th Jun 2017 10:38am

srod

Member Since: 20 Mar 2015
Location: Argyll
Posts: 190

My fuel pump has always made a noise... haven't noticed any other fuel related problems. I thought they just did this?
Happens as soon as I turn the key, don't notice it over the sound of the engine once it's running.

7th Jun 2017 1:05pm

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