Member Since: 21 Oct 2016
Location: kent
Posts: 13613
FBH fuel pipe UPDATE
whilst replacing my front struts i also removed the plastic inner wheel arches
happen to notice this leak, took a little while to trace what is was feeding
on further inspection found it was the fuel supply to the FBH
UPDATE
Fitting is NOT 4mm , it is 5mm , have reordered some more couplings and will advise here if it fits ok
as u look at the fitting and pipes, the bottom pipe is metal, top one is plastic
coupling has a cover on each end to protect it from ingress of dirt etc,
however the bottom pipe has a stop collar so u can’t pull the bottom cover back, in order u can push the quick release part of the fitting in to release the pipe , hope that makes sense
have to either cut the pipe with a mini tube cutter or break the small cover off in order u gain access to the pushfit collar
wished to update this post so others didn’t cut the pipe and find out the size of the coupling was wrong
will later put some pictures up to make more sense
Last edited by gstuart on 12th May 2018 5:20 pm. Edited 2 times in total
5th May 2018 7:10 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10362
Dunno.
I think that's a factory join.
Where did you get your blue antiroll droplinks from?
5th May 2018 7:28 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13613
Hi pete ,
many thks , will order a better quality coupling
at least others will know that join is there if fuel is noticed within that area
got the meyle drop links from Advanced, heavy duty ones
can’t rememeber if it’s the back or fronts that’s have different drop links according to the year
5th May 2018 8:17 pm
lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
Std way to join the 4mm od pipe on trucks is to use a piece of rubber hose with 4mm id and two small clips, only important bit it to make sure the ends of the pipe touch each other so theres no where for air pockets to form.
If you look at the fbh itself you will see how the 4mm nylon pipe is joined to the fbh with a piece of rubber hose plus of course the lift pump itself
Correct rubber pipe size is 3.5mm id and you also need the proepr clipe as std jubilee style clipe are to chunky
Well worth checking the rubber pipe on your fbh as they split with age, right next to the exhaust!
5th May 2018 8:21 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13613
many thks for the great tip and picture , have actually just ordered a brass pushfit coupling
didn’t notice it as the diesel had just run onto the engines sump cover and fitting is hidden behind the wheel arch liner
did notice on occasion the FBH had cut out, don’t know if it could have sucked air into the system or just a coincidence ???
whilst it’s all accessible will give it another once over for any wear and tear
thks again
5th May 2018 8:37 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13613
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