Further engine woes!!

[Guest]

I couldn=92t find anything relevant on Ih8mud so I started a thread there. For
anyone that=92s interested it=92s here:

HYPERLINK
"http://forum.ih8mud.com/showthread.php?p=3D2234936#post2234936"http://forum.i
h8mud.com/showthread.php?p=3D2234936#post2234936

Pete

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[Guest]

Story so far.

I=92ve been to the shop and spoken to the guys there. I also saw the cruiser
in action.

When I first looked at the coolant it was obviously frothy and felt oily to
the touch. When the engine runs with the rad cap off the coolant =93pulses=94
out of the rad filler neck =96 not like Old Faithful exactly, more like it
wells out in pulses roughly in time with the engine beat.

They are insistent that I wouldn=92t have noticed anything previously because
the pressure would have vented via the broken head gasket =96 I still think
this is b*****ks but not 100% certain =96 they say it must be the block.

They are adamant that the head, gasket and the work are OK (but then they
would wouldn=92t they) and what they=92ve offered to do is this:

They=92ll do a stripdown, initially at my cost and invite me in to see the
head actually being removed so that I can inspect the head and the gasket.
If at that point it=92s their fault then they=92ll replace it for free but if
not then I pay and I=92m still no better off.

So any suggestions of how to play this? What to look for?

Pete

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[Guest]

Hi Pete
Could you discount everything else before they do all their stripping.
Are you techy enough to know what to look for, if not you need a friend with you.
But it seems fair at face value.
john 92HDj 80 1HDt

 

[Guest]

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[Guest]

Was that meant to be a blank email??
_____
From: [Email address removed] [mailto:[Email address removed]] On
Behalf Of Christopher Bell
Sent: 08 June 2007 10:17
To: [Email address removed]
Subject: RE: [ELCO] Further engine woes!!
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14:21

 

[Guest]

John, I=92m with you remember?! I wouldn=92t have a clue.

It=92s obviously pressurising the coolant and hence it=92s something internal
but after that =96 who knows?

Pete

_____
From: [Email address removed] [mailto:[Email address removed]] On
Behalf Of John Byrne
Sent: 08 June 2007 10:12
To: [Email address removed]
Subject: Re: [ELCO] Further engine woes!!

Hi Pete
Could you discount everything else before they do all their stripping.
Are you techy enough to know what to look for, if not you need a friend with
you.
But it seems fair at face value.
john 92HDj 80 1HDt

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14:21
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[Guest]

Hi Peter,
It's a tricky one.
have they done a compression test?
I would get them to do a compression test, then to strip the head off
again with you present as they suggest.
If it is a cracked block as they suggest, the only way you will know
for certain is taking the head off and inspecting the cylinders, etc.
If it is due to a problem with the head or the refitting, as you
suggest, you should be able to tell when they take the head off and it
so they should pay for all remedial work.
--
Regards,
Julian Voelcker
Mobile: 07971 540362
Skype: julianvoelcker
Cirencester, United Kingdom
1994 HDJ80, 2.5" OME Lift

 

[Guest]

In the event that the worst happens (ever the optimist!) and it is a cracked
block does anyone here know of a source for new blocks or 2ndhand / recon
engines? It=92s an FZ Petrol engine.

Pete

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[Guest]

Pete

No, I converted it to plain text and it's come back to me OK from the
ELCO list. Outlook added a couple of emoticons to it, so maybe they
upset your virus checker or something. Here it is again in HTML this
time

That sounds pretty fair to me, and don't despair - as I said before I've
had a new head crack during the installation process, so that is
entirely possible.

By the sound of it a lot of gas from a cylinder is getting directly into
the coolant, so there must be a sizeable crack somewhere that should be
evident to the naked eye. I've only ever seen cracks in a cylinder
head, which were around the valves and were very obvious - they showed
up as black lines on an otherwise clean surface.

The normal method of detecting cracks not visible to the naked eye
(without resorting to ultrasound or X-rays) is to spray on a dye
penetrant, wipe clean, and inspect for dye left in cracks - usually with
ultra-violet light, but there are some visible light products too. You
can find a description of this process on the welding institute website
here http://tinyurl.com/2ceg5y

It's quite likely that the shop has some dye penetrant, which comes in a
spray can, or they may know where to get hold of some. I've never had
to buy any since it came courtesy of work, but I can probably identify a
supplier for you if you need it.

However from the amount of gas escaping I'm pretty sure it will show up
to the naked eye either in the cylinder bore or in the head.


Also you need to put a steel straight edge (ruler) on both the block and
the head mating surfaces. They should both be absolutely flat to within
the specified tolerance. I don't have that figure for the petrol
engine, but for the diesel it is 0.2mm according to Mr Haynes. You
should not be able to get a feeler gauge thicker than that between
straight edge and block/head anywhere. If you haven't got a feeler
gauge 0.2mm is roughly the thickness of a sheet of 80 gram (standard) A4
paper.

Christopher Bell


________________________________
From: [Email address removed] [mailto:[Email address removed]]
On Behalf Of Peter Browning
Sent: 08 June 2007 10:22
To: [Email address removed]
Subject: RE: [ELCO] Further engine woes!!

Was that meant to be a blank email??

________________________________
From: [Email address removed] [mailto:[Email address removed]]
On Behalf Of Christopher Bell
Sent: 08 June 2007 10:17
To: [Email address removed]
Subject: RE: [ELCO] Further engine woes!!


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07/06/2007 14:21
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