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Diesel Fuel filter drain plug


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#1 Channel Hopper

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Posted 12 August 2017 - 04:02 PM

I thought Id drain out the filter today but with a quick grope under the cannister I cant make out what tool is needed to do the deed. Any pointers as Im working blind ( no mirror on a stick).

#2 Jon_G

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Posted 12 August 2017 - 04:39 PM

If you have the correct Bosch fuel filter then the drain is knurled so you can grip and undo it with your fingers.

Edited by Jon_G, 12 August 2017 - 04:40 PM.


#3 Channel Hopper

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Posted 12 August 2017 - 08:53 PM

I wouldn't know unless I took the outer casing apart. What was under the casing felt smooth, circular, about 6mm in diameter and probably 8mm in length.

I'll cobble something together tomorrow to have a better look. Can it be seen from the ground up ?

#4 Goodluckmonkey

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Posted 12 August 2017 - 09:03 PM

Drive it up onto a pair of car ramps and slide yourself under the car. Acres of space from the bottom up.

You can see easily and get your arm up there with loads of room to spare.

Edited by Goodluckmonkey, 12 August 2017 - 09:04 PM.

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#5 Matt

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Posted 12 August 2017 - 10:20 PM

This is the filter with the top sawn off and the element removed (just to see what it looked like).

The water drain is the black bit on the end. This is a genuine Bosch filter. A non-genuine filter I had was similar but the knob what white and wavy. Same location, same idea.

7thgeninsidefuelfilter.jpg


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#6 Channel Hopper

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Posted 13 August 2017 - 03:25 AM

Thanks and yes, I was expecting to feel a knurled knob of some sort (ooer missus).

#7 Jon_G

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Posted 13 August 2017 - 07:19 AM

Thanks and yes, I was expecting to feel a knurled knob of some sort (ooer missus).


I don't understand why you can't. Maybe it's not a Bosch filter?

#8 Channel Hopper

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Posted 13 August 2017 - 09:21 AM

Just checked, it's the non Bosch version with white drain, but it is surrounded by a close fitting shroud (also in white) which is what I felt, it doesn't want to budge. Will try at lunchtime

#9 Channel Hopper

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Posted 13 August 2017 - 09:33 PM

And, done.

The easiest way is to take off the engine cover , put a large tray more ore less under the filter and unscrew. The plastic shroud was strange as it protects the knurled wheel, but has melted slightly so that it is awkward to undo.

What dropped into the tray is clear, no water or contamination, though it looks very yellow and smelt more or petrol than diesel.

Will see if this makes a difference to , well anything tomorrow.

#10 Channel Hopper

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Posted 14 August 2017 - 11:39 AM

And the only difference is.......she won't start. I primed the pipes with the hand pump and there is nothing else amiss, so how long cranking should it take for the new fuel to get through ? Picture of filter and fluid below.

oaeGp5P.jpg

 

EWPNezj.jpg



#11 Jon_G

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Posted 14 August 2017 - 12:53 PM

Did you bleed out the air from the filter by loosening the bleed bolt then pumping until fuel ran out?

I recall something like 50 pumps is required to avoid excessively long cranking times.

#12 Channel Hopper

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Posted 14 August 2017 - 02:44 PM

Did you bleed out the air from the filter by loosening the bleed bolt then pumping until fuel ran out?

I recall something like 50 pumps is required to avoid excessively long cranking times.

 

I did bleed from the pipe at the top of the engine (17mm bolt) and there appeared to be no air in there. I only pumped arond 20 times though and lost about a ladlefull of fluid.



#13 honda_saj

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Posted 14 August 2017 - 04:26 PM

Any update did you get vehicle to start I would have pumped more times and then keep switching ignition on and off few times then try to start hope all sorted soon

Sent from my C6603 using Tapatalk

hope that helps post back and let us know so that others can benefit from the information

Regards,

saj


#14 Jon_G

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Posted 14 August 2017 - 05:25 PM

I did bleed from the pipe at the top of the engine (17mm bolt) and there appeared to be no air in there. I only pumped arond 20 times though and lost about a ladlefull of fluid.


The OEM fuel filter has a 10mm AF bolt on the top, specifically for bleeding out the trapped air in the filter. I'm not sure where you've bled the system, nor how effective that might be?

Edited by Jon_G, 14 August 2017 - 05:27 PM.

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#15 Channel Hopper

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Posted 14 August 2017 - 06:26 PM

I was really hoping to avoid taking the cannister and housing apart, hence the draining. No start as yet.

 

The 17mm bolt mentioned is the one that goes directly into the fuel system under the engine cover., no air/only diesel comes out when I use the pump

 

I will look to see if the filter has any bleed system tomorrow.

 

I wish I lived on a hill.


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#16 Jon_G

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Posted 14 August 2017 - 06:48 PM

Canister and housing? It's like you're describing a facelift (2006-) model! The bolt is on top of the filter. Just remove the cover above (2 x 10mm bolts) and there it is.


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#17 Channel Hopper

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Posted 15 August 2017 - 01:16 AM

It's a 2005, no roof rails.

#18 freddofrog

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Posted 15 August 2017 - 03:55 AM

It's a 2005, no roof rails.

roof rails or not, the value for (Ad + Bd) for your car presently = 


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#19 Channel Hopper

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Posted 15 August 2017 - 11:10 AM

Canister and housing? It's like you're describing a facelift (2006-) model! The bolt is on top of the filter. Just remove the cover above (2 x 10mm bolts) and there it is.

OK, it was completely hidden from view by the two pipes, despite taking images with the phone Taking the cover for the manual pump AND the housing gives access to it, though upon undoing, less than two pumps (a teaspoon of air) remained in the canister. Nipped up and done the big 17mm bolt again (just the merest hiss of air) and still no start.

 

It might be the battery has finally come to the end of its useful life, but I need to start her to get another.

 

What is better for the goose, forcing the glowplugs on for a few seconds, or throwing some aromatic stuff down the air inlet ? I don't like using the latter btw as I've seen starter motors break on vans eVRd6Q8.jpgwhen trying to start after running the tank dry.


Edited by Channel Hopper, 15 August 2017 - 11:11 AM.


#20 Channel Hopper

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Posted 15 August 2017 - 11:14 AM

This is the 17mm bolt mentioned, last piece of the fuel line before the important bits.

 

IlnmkDk.jpg


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