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Welkman

Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 329

Help with random tiny pipe FPR on new TD5 lump

Hi All,

My FPR on the new engine has a small pipe (must be 1.5-2mm ID) coming off the back where my genuine one fitted to the old engine does not.

Is this some kind of leak/spill pipe? Should it be connected to anything. It is not one of the main fuel pipes, much smaller.

Cheers

James

17th Feb 2016 9:47am

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

it is vent pipe from the back fuel pressure regulator diaphragm

the old engine fuel pressure regulator will have small hole instead works same way

17th Feb 2016 12:06pm

Welkman

Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 329

Thanks mate, that has put my mind at rest !

17th Feb 2016 12:17pm

grumpy old git

Member Since: 16 Nov 2013
Location: United Kingdom
Posts: 153

I've seen a small diameter piece of tube fitted to that pipe to direct any leaks below the starter motor as it can be a good way to chuff it up if it leaks.....

17th Feb 2016 6:45pm

Hufflepuff

Member Since: 25 Oct 2014
Location: Hampshire
Posts: 727

Excellent, power of the search tells me I don't need to worry about the same thing

I was wondering if the old one has snapped off or something.

That bottom knut is a sod to get to, no way of getting my torque wrench on there, was barely able to get a flexible bar onto it. Still a run round the block and there's no massive flood of fuel coming out, so I guess its acceptably tight.

Did anyone else's fuel pump sound different (with the engine off, ignition on) after going through the bleed procedure?

6th Mar 2016 5:12pm

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