Hydrauliced Engine

[drum]

For those that don't know, and weren't at driffield, we managed to Hydraulic a 200TDi engine on Saturday. We got it running first thing Sunday, but it was running rough. So I serviced it Sunday Evening, new filters and oil etc. cleaned the plumbing, put the intercooler in the dishwasher etc.

Now it runs as well as it ever did, apart from one thing. It smokes like a good un. White smoke, doesn't smell of unburnt diesel or anything. Bearing in mind we had a litre or so of muddy water go through the turbo, and we locked it up solid when we thought all the water was out, but it was hiding in the manifold, and got pulled in again. Anybody care to hazard a guess as to what's bent and causing the smoke.

[kevinf]

white smoke usually indicates water,i.e head gasket failure or cracked
head/block,might be worth removing exhaust and standing up some where to allow water drain out of silencers first before condeming engine
normal damage resulting from hydraulicing is bent con rods and in extreme cases brown head gasket,damaged head/block











good luck kevin

[drum]

It has been running for a while, and we're going to run it for a week or so, to make sure stuff dries out, but I don't think it's water in the exhaust. Though I'd very happy to be proved wrong.

Any easy way of telling if it's Head, Block or Gasket??

[paul_humphreys]

You could find someone to do a compression test.

Paul

[drum]

That would tell me if it was one of the three, but would it tell me which??

I hve a compression tester for Petrol engine (screws into the spark plug hole), I guess that won't work for diesels.

[Porny]

That would tell me if it was one of the three, but would it tell me which??

I hve a compression tester for Petrol engine (screws into the spark plug hole), I guess that won't work for diesels.

Nope, plus a diesel compression is much higher than a petrol engine, so you need a gauge with a higher reading...

Hrmmm, as for damage casued??

Was there any water in the oil (i.e. milky colour) or was there any water in the oil??

Water will usually bend a rod....  I've known this in a Nova diesel.
Engine ran ok, but produced quite a bit of white smoke.  When we took the head, one piston was found to be almost 1" lower than it should be!!

might be worth removing exhaust and standing up some where to allow water drain out of silencers first before condeming engine

No need to this, as water will be blown out anyway... I would, though, make sure the inlet manifold is empty.


Other possible damage:

Bent Con Rod (most likely)
Cracked Piston
Bent Exhaust Valves (quite common)
Or you may have caused the cambelt to skip a tooth or two.
Damaged Head or Block (i.e. cracked)

Most likely damage though is bent cond rod, or damaged valves.


Really is an engine strip down to have a look, and to take some measurements.  
A 200Tdi is very easy to work on, will only take couple of hours at the most to get the head off.  Pm me if you need any info.

A compression test will only confirm that 'somthing' is wrong, but won't actually tell what it is.....

Time to get your hands dirty  


Ian

[drum]

Thanks Ian.

Already emptied the plumbing, right down to the inlet manifold. Got quite a bit of water out of it.

There was a small amount of water on the dipstick, but the oil itself came out normal black, with no traces of water mixing.

I'm thinking bent con-rod might be a possibity now. I would expect the smell of unburnt diesel though. i.e not enough compression to ignite it.

I'm guessing that if we have bent one, there is a fair chance that the piston is now running out of line, and will wear the bore a funny shape pretty quick. So maybe don't run it for the week to see what dries up.

Dave

[rollazuki]

Pull it down, you're lucky to get away with a hydraulic'd petrol, never  mind a diesel.
Summat will be broke.

Double check the timing on the way down as well, and make sure timing gear is OK, but Im guessing ROD bent.

Oh yeah, get a snorkel. (or a longer one if already fitted, I know what yr like Drum)

[drum]

Wasn't me this time. It was Johnnie doing anchored fish impressions  :D

[rollazuki]

He doesnt like that truck does he!!!

[drum]

You must have seen the piccies and the video by now rolla!!!

[range17]

Hello ,i have done a very similar thing to my 200 three weeks ago ,new turbo,cleaned all the plumming,sump off,new filters+oil.
Started it up ,loads of smoke ,noisey engine and oil light flickering,big problems i think :(

[Porny]

Drum,

Reading the other post...

Yep it's looking that way, we got it running but still trailered it home. Thing is if you get into changing all 4, and consumables etc. your not far off the cost of just swapping the engine  So the question is do we patch this one up, or bite the bullet.

Is very true, I'd be half tempted just to bolt in another engine...

I know a bloke in Chesterfield, so not that far from you, who'd do a good deal...

Don't know if the Defenders runing a Disco or a Defender spec engine... but if a Defender Spec at the moment, you could get a Disco engine (which would be cheaper) and swap the inlet manifold, the turbo and the front cover set over etc.. thus convert it to Defender spec.


Ian

[drum]

I know a bloke in Chesterfield, so not that far from you, who'd do a good deal...

Can you PM me the details. Is he private or a business??

[Porny]

You have a pm.....


Ian

[drum]

Cheers

[bobtail4x4]

Drum, sorry to hear this,  Fascist over on ORRP usually has a few TDI engines.

he is manchester way.

[drum]

Thanks bobtail, we're stripping it down sunday, so if we need it I'll get Sarah to get intouch with him. it's her "Doug" that we blew up  

[gt.jacko]

Just thought i,d add my two penneth worth, I did exactly the same thing at driffield two yrs ago and it did indeed bend a conrod but it was more obvious as it did n,t run well at low rpm and white smoked all the time but above 50 mph it sounded ok and no smoke as the compression gets better as the engine speed increases, it did get us home all the way to glossop in derbys with a caravan on the back though. Stripped it down and replaced one conrod and piston and she was ok again.
Hope that helps. :)

[drum]

We got a new\old engine and got it mostly fitted last weekend. Just got to finish the plumbing this weekend, and might as well do the timing belt, while it's easy to get to.