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Look at my leaking Common Rail

Posted: Mon Jun 11, 2007 9:23 am
by Welly
When I do a fast run (over 3000 RPM's) when I get back home the car has been getting a bit wiffy of Diesel.

Imagine my horror to see evidence of Diesel Fuel Leakage in 2 places on the rail.

Could others check their rails for me because if it's normal for a bit of weepage I'll be more happy about it.

It's not pissing out, it's just seeping/spreading like Diesel does.

This bit is leaking from the pipe off the top of the rail (see the rail looks black/oily):
Image

This bit is leaking where some sensor is plugged in underneath the rail:
Image

Posted: Mon Jun 11, 2007 12:35 pm
by neildavies
Next time you do an oil change, use Castrol.

I tried Ambrosia a while back and didn't think much of it. Made the engine feel "lumpy"!!


Got to be honest Welly, I can't see the diesel leak from your photos.

Posted: Mon Jun 11, 2007 12:35 pm
by Blue406
OK, someones gonna ask, might as well be me. Whats with the tin of Custard?

Posted: Mon Jun 11, 2007 12:46 pm
by Welly
Blue406 wrote:OK, someones gonna ask, might as well be me. Whats with the tin of Custard?
Well I was just about to top it up of course :roll: the car dealer said keep it topped up with custard, I pour it into the rocker cover.

Ambrosia is the best additive for the HDi 8)

Neil - the picters are crap as usual but the leak is there. The rail looks black and oily and it should be like a cast brass colour.

I wanted some others to have a quick looky at theirs too.

Posted: Mon Jun 11, 2007 1:15 pm
by xplosiv
Hi Welton,

I have had a look at mine, and i cannot see any oil/desiel. I will take some pitures if you like so you can compare

Andy

Posted: Mon Jun 11, 2007 1:19 pm
by xplosiv
Hi,

Welton is this any good:-

Image

Andy

Posted: Mon Jun 11, 2007 2:27 pm
by Welly
Your's looks nice and clean, but somehow different to mine :?

Posted: Mon Jun 11, 2007 2:33 pm
by neildavies
Welton wrote:Your's looks nice and clean, but somehow different to mine :?
It's obvious, no Custard.

Posted: Mon Jun 11, 2007 2:34 pm
by puggy
Yes it does look different .. AH AH !!!! the tin of Ambrosia oil additive is missing :cheesy: :cheesy: :cheesy:

Posted: Mon Jun 11, 2007 2:35 pm
by puggy
bollox beaten again :cry: :cry: :cry:

Posted: Mon Jun 11, 2007 3:42 pm
by neildavies
Sorry Puggy, great minds think alike.

Posted: Mon Jun 11, 2007 6:16 pm
by mjb
How well would Tesco Value work in its place, or is it a case of you get what you pay for?

Posted: Mon Jun 11, 2007 7:18 pm
by jameslxdt
looks more like the rocker cover gasket is leaking or the top crankcase breather pipe is leaking, if the rail was leaking then you would see it when the engine is running, if your 100% its diesel (im sure it isnt as diesel never looks like that and nothing sticks to diesel as its a lubricant) then are you sure its not the overspill pipes between the injectors leaking?

Posted: Mon Jun 11, 2007 7:47 pm
by Welly
Me thinks I will have to inspect with the engine reving a bit, cheers.

Posted: Mon Jun 11, 2007 7:50 pm
by jameslxdt
no problem welly, if the rail was leaking, i would expect, after a long motorway run, to see the check engine light and rail pressure sensor signal too low fault