300Tdi Disco throwing water out.... Advice needed

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J

Jon

Guest
Hi all,
My mate has just nicely bought a 1994 300Tdi disco with 100,000 miles
ish - for the last 3000 it hasnt put a foot wrong.

The other day we where supposed to meet in the Lakes for a spot of
green laning but he never got there!

He stopped to get some fuel and when he got back in the car he noticed
the temp gauge reading too hot.

Apparently the engine will tick over (gets to operating temperature
quicker than normal) without overheating but as soon as it is worked
it over heats.

If the resevoir cap is removed it will blow water out - at this stage
you can still put finges into the luke warm water so its not general
expansion of the water causing it to overflow.

He has just had the head gasket replaced and the head pressure tested
and its still doing the same thing.

Apparently there was no advanced warning of the problem.

His mechanic has suggested it may be a cracked cylinder liner???? Is
this common on 300Tdis?

He has also had a new rad put on because the old one had just about
disintegrated!

Any other suggestions or pointers?


Thanks
Jon

 

"Jon" <[email protected]> wrote in message
news:[email protected]...
> Hi all,
> My mate has just nicely bought a 1994 300Tdi disco with 100,000 miles
> ish - for the last 3000 it hasnt put a foot wrong.
>
> The other day we where supposed to meet in the Lakes for a spot of
> green laning but he never got there!
>
> He stopped to get some fuel and when he got back in the car he noticed
> the temp gauge reading too hot.
>
> Apparently the engine will tick over (gets to operating temperature
> quicker than normal) without overheating but as soon as it is worked
> it over heats.
>
> If the resevoir cap is removed it will blow water out - at this stage
> you can still put finges into the luke warm water so its not general
> expansion of the water causing it to overflow.
>
> He has just had the head gasket replaced and the head pressure tested
> and its still doing the same thing.
>
> Apparently there was no advanced warning of the problem.
>
> His mechanic has suggested it may be a cracked cylinder liner???? Is
> this common on 300Tdis?
>
> He has also had a new rad put on because the old one had just about
> disintegrated!
>
> Any other suggestions or pointers?
>
>
> Thanks
> Jon
>
When my 300 started spitting out water it turned out to be th cylinder head
gasket. It would run OK at speed but as soon as you slowed down the temp
whent red and water spewed ot all over the place.

Peter.


 
In message <[email protected]>
Jon <[email protected]> wrote:

> Hi all,
> My mate has just nicely bought a 1994 300Tdi disco with 100,000 miles
> ish - for the last 3000 it hasnt put a foot wrong.
>
> The other day we where supposed to meet in the Lakes for a spot of
> green laning but he never got there!
>
> He stopped to get some fuel and when he got back in the car he noticed
> the temp gauge reading too hot.
>
> Apparently the engine will tick over (gets to operating temperature
> quicker than normal) without overheating but as soon as it is worked
> it over heats.
>
> If the resevoir cap is removed it will blow water out - at this stage
> you can still put finges into the luke warm water so its not general
> expansion of the water causing it to overflow.
>
> He has just had the head gasket replaced and the head pressure tested
> and its still doing the same thing.
>
> Apparently there was no advanced warning of the problem.
>
> His mechanic has suggested it may be a cracked cylinder liner???? Is
> this common on 300Tdis?
>
> He has also had a new rad put on because the old one had just about
> disintegrated!
>
> Any other suggestions or pointers?
>
>
> Thanks
> Jon
>

Sounds remarkably like the head gasket........ again!

Richard
--
www.beamends-lrspares.co.uk [email protected]
Running a business in a Microsoft free environment - it can be done
Powered by Risc-OS - you won't get a virus from us!!
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beamendsltd wrote:

> Sounds remarkably like the head gasket........ again!

Head gasket replaced previously but head not skimmed to correct any
overheating distortion. Do garages actually have the means to skim heads
these days?


--
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"Pet @ www.gymratz.co.uk ;¬)" <[email protected]> uttered summat
worrerz funny about:
:: beamendsltd wrote:
::
::: Sounds remarkably like the head gasket........ again!
::
:: Head gasket replaced previously but head not skimmed to correct any
:: overheating distortion. Do garages actually have the means to skim
:: heads these days?

Doesn't mean it's been done right. Head could be warped. Unlikely many
garages will have the kit , they tend to send it off to be sorted.

Lee D


 
On or around Wed, 02 Nov 2005 18:11:10 GMT, "Pet @ www.gymratz.co.uk ;¬)"
<[email protected]> enlightened us thusly:

>beamendsltd wrote:
>
>> Sounds remarkably like the head gasket........ again!
>
>Head gasket replaced previously but head not skimmed to correct any
>overheating distortion. Do garages actually have the means to skim heads
>these days?

most of 'em, no.

However, I was advised that if you've seriously cooked a 300 TDi head, it's
a bad move to try and skim it anyway - something about heta treatment of the
alloy when it's new which gets buggered up if you get it too hot, meaning
that even if you skim it flat it's not guranteed to stay flat.

This was from one of the expert head-people. Ended up with a new head
instead.
--
Austin Shackles. www.ddol-las.net my opinions are just that
Travel The Galaxy! Meet Fascinating Life Forms...
------------------------------------------------\
>> http://www.schlockmercenary.com/ << \ ...and Kill them.
a webcartoon by Howard Tayler; I like it, maybe you will too!
 

"Jon" <[email protected]> wrote in message
news:[email protected]...
> Hi all,
> My mate has just nicely bought a 1994 300Tdi disco with 100,000 miles
> ish - for the last 3000 it hasnt put a foot wrong.
>
> The other day we where supposed to meet in the Lakes for a spot of
> green laning but he never got there!
>
> He stopped to get some fuel and when he got back in the car he noticed
> the temp gauge reading too hot.
>
> Apparently the engine will tick over (gets to operating temperature
> quicker than normal) without overheating but as soon as it is worked
> it over heats.
>
> If the resevoir cap is removed it will blow water out - at this stage
> you can still put finges into the luke warm water so its not general
> expansion of the water causing it to overflow.
>
> He has just had the head gasket replaced and the head pressure tested
> and its still doing the same thing.
>
> Apparently there was no advanced warning of the problem.
>
> His mechanic has suggested it may be a cracked cylinder liner???? Is
> this common on 300Tdis?
>

It is not even common for 300TDi to have liners, let alone cracked ones. It
is a parent metal bored block cylinder.

Huw


 
In message <[email protected]>
"Pet @ www.gymratz.co.uk ;¬)" <[email protected]> wrote:

> beamendsltd wrote:
>
> > Sounds remarkably like the head gasket........ again!
>
> Head gasket replaced previously but head not skimmed to correct any
> overheating distortion. Do garages actually have the means to skim heads
> these days?
>
>

I've not come accross any that still do it themselves, but a head
skim is so routine these days that most people do it as a matter
of course when the lid is off. Strictly speaking, unless the engine
has oveheated then skimming shouldn't need doing - but it makes
sense (to me, anyway) to get it done - belt and braces and all that.

Richard
--
www.beamends-lrspares.co.uk [email protected]
Running a business in a Microsoft free environment - it can be done
Powered by Risc-OS - you won't get a virus from us!!
Boycott the Yorkshire Dales - No Play, No Pay
 
On Thu, 3 Nov 2005 08:22:16 +0000 (UTC), beamendsltd
<[email protected]> wrote:

>In message <[email protected]>
> "Pet @ www.gymratz.co.uk ;¬)" <[email protected]> wrote:
>
>> beamendsltd wrote:
>>
>> > Sounds remarkably like the head gasket........ again!
>>
>> Head gasket replaced previously but head not skimmed to correct any
>> overheating distortion. Do garages actually have the means to skim heads
>> these days?
>>
>>
>
>I've not come accross any that still do it themselves, but a head
>skim is so routine these days that most people do it as a matter
>of course when the lid is off. Strictly speaking, unless the engine
>has oveheated then skimming shouldn't need doing - but it makes
>sense (to me, anyway) to get it done - belt and braces and all that.
>
>Richard


Ive just found out hat the head was pressure tested and skimmed whilst
it was off. So the head *shouldnt* be at fault.

I suppose the mechanic (Landrover specialist) could have bodged it but
even I as an uncompetant mechanic didnt find my 200tdi that difficult
to do...and its still running!

Jon
 
On or around Thu, 3 Nov 2005 08:58:33 +0000 (UTC), Jon <[email protected]>
enlightened us thusly:

>
>Ive just found out hat the head was pressure tested and skimmed whilst
>it was off. So the head *shouldnt* be at fault.
>
>I suppose the mechanic (Landrover specialist) could have bodged it but
>even I as an uncompetant mechanic didnt find my 200tdi that difficult
>to do...and its still running!
>

What was the original failure scenario? did it get cooked?
--
Austin Shackles. www.ddol-las.net my opinions are just that
0123456789112345678921234567893123456789412345678951234567896123456789712345
1 weebl: What's this? | in recognition of the fun that is weebl and bob
2 bob: it a SigRuler! | check out the weebl and bob archive:
3 weebl: How Handy! | http://www.weebl.jolt.co.uk/archives.php
 


Sorry its been a while getting back...

Turns out the engine did boil but was stopped as soon as possible.

Also turns out that the head is knackered, presumed cracked.
Apparently the garage has tried another head and all is OK with that
on, pointing the finger to the head itself.

Makes me wonder though...Surely the initial pressure test would
identify a cracked head? Should a head fail after about 105,000
miles, I doubt it???

Assuming the head is cracked, is there a common place they go?

The cynic in me is starting to wonder how much of a LR specialist this
guy is though. Paul, my mate is no mechanic and doesnt pretent to be
- it makes me wonder if they are trying to lift his leg... The engine
was as sweet as a nut the last time I heard it running.

Any thoughts?


Cheers
Jon



On Thu, 03 Nov 2005 13:45:48 +0000, Austin Shackles
<[email protected]> wrote:

>On or around Thu, 3 Nov 2005 08:58:33 +0000 (UTC), Jon <[email protected]>
>enlightened us thusly:
>
>>
>>Ive just found out hat the head was pressure tested and skimmed whilst
>>it was off. So the head *shouldnt* be at fault.
>>
>>I suppose the mechanic (Landrover specialist) could have bodged it but
>>even I as an uncompetant mechanic didnt find my 200tdi that difficult
>>to do...and its still running!
>>
>
>What was the original failure scenario? did it get cooked?

 



On Mon, 7 Nov 2005 15:54:06 +0000 (UTC), Jon <[email protected]>
wrote:

>Assuming the head is cracked, is there a common place they go?
>
>The cynic in me is starting to wonder how much of a LR specialist this
>guy is though. Paul, my mate is no mechanic and doesnt pretent to be
>- it makes me wonder if they are trying to lift his leg... The engine
>was as sweet as a nut the last time I heard it running.
>
>Any thoughts?
>
>
>Cheers
>Jon
>
I would very much doubt your chappie is taking the widdle. I have
cooked my 300tdi on three occassions in the last twleve months. trust
me it only takes a few seconds of running warm to comppletely toast
it. And by that I mean pistons melted into block etc.

As an aside, and this does not only apply to landrovers, but by the
time your temp gauge is anywhere near the red, your engine is already
toast.

Regards
Stephen
 
fanie wrote:

> I would very much doubt your chappie is taking the widdle. I have
> cooked my 300tdi on three occassions in the last twleve months. trust
> me it only takes a few seconds of running warm to comppletely toast
> it. And by that I mean pistons melted into block etc.
>
> As an aside, and this does not only apply to landrovers, but by the
> time your temp gauge is anywhere near the red, your engine is already
> toast.

And it's mostly due to the engine designers who insist on putting the
temperature sensor at the highest point in the cooling system so even a
small loss of coolant means that the sensor is effectively measuring
nothing. On my diesel engined vehicles I have fitted collant level
sensors to the radiator that connect to a big idiot light so even the
most thick skulled users realise that something has gone wrong before
any damage results. On my racecar (powered by a Chevrolet V8 that's
worth the same amount of money as a near-new Defender) I've got a bit
trickier and measure the temperature from halfway up the block via a
sensor attached to a core plug - it works well and has saved me a
shedload of money when it developed a coolant leak.


--
EMB
 
On Tue, 08 Nov 2005 06:55:31 +0200, fanie <[email protected]>
wrote:

>
>
>
>On Mon, 7 Nov 2005 15:54:06 +0000 (UTC), Jon <[email protected]>
>wrote:
>
>>Assuming the head is cracked, is there a common place they go?
>>
>>The cynic in me is starting to wonder how much of a LR specialist this
>>guy is though. Paul, my mate is no mechanic and doesnt pretent to be
>>- it makes me wonder if they are trying to lift his leg... The engine
>>was as sweet as a nut the last time I heard it running.
>>
>>Any thoughts?
>>
>>
>>Cheers
>>Jon
>>
>I would very much doubt your chappie is taking the widdle. I have
>cooked my 300tdi on three occassions in the last twleve months. trust
>me it only takes a few seconds of running warm to comppletely toast
>it. And by that I mean pistons melted into block etc.
>
Well, if its easy done then that'll be OK. If someone turned round
and said the're good to go to the moon and back before anything
normally happens then I guess that would be a bit different.

Thanks
Jon


>As an aside, and this does not only apply to landrovers, but by the
>time your temp gauge is anywhere near the red, your engine is already
>toast.
>
>Regards
>Stephen

 

"Jon" <[email protected]> wrote >>
> Well, if its easy done then that'll be OK. If someone turned round
> and said the're good to go to the moon and back before anything
> normally happens then I guess that would be a bit different.
>

Well normally they are good to go to the moon and back, but as with all
things mechanical there is an element of luck which can be helped by
diligent maintenance by the owner.
Bad luck includes sudden fluid loss, thrown timing belt or any other
catastrophic failure. If it is mechanical and is used then something will
eventually fail, as sure as eggs is eggs.
Funnily enough though, they seldom fail when not used for a period. As soon
as they are fired up again, off we go with breakdowns. I am speaking
generally here mind you, not specifically about LR products.

Huw


 
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