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Cooked 300tdi....

 
 
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Grant B
Articulating


Joined: 09 Nov 2006
Odometer: 984
Location: Falkirk, Scotland



PostPosted: Wed Nov 18, 2009 8:21 pm    Post subject: Cooked 300tdi.... Reply with quote

Hi oh wise ones.

I've got a chance of picking up a spare 300tdi with all the ancilliaries for diddly squat. However it was removed from its original home because it overheated and now has no compression.

Out of curiosity, what is most likely to have gone wrong as a result, and would it be worth a bit of a tear down with a view to reparing. Or should I just strip all the useful bits and junk the rest??????


Grant.
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tonyALB1
Just got MTs


Joined: 04 Feb 2005
Odometer: 298
Location: walsall



PostPosted: Wed Nov 18, 2009 8:36 pm    Post subject: Reply with quote

im no mechanic

but my guess is head gasket and you might have to get head skimmed

you didnt say if you need it to go into anything

a fully working 300 tdi is a useful lump and worth a few quid so b worth gettin it checked out

__________________________________
knock knock----whos there----disco----disco who----dis goes here and dis goes there
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Ray_Jnr
Banned!


Joined: 06 Mar 2006
Odometer: 4671
Location: The Northeast


1987 Land Rover 90 TD

PostPosted: Wed Nov 18, 2009 8:39 pm    Post subject: Reply with quote

if you do the work yourself, a basic, headgasket change/head skim, new bolts, new piston rings and big end bearings will set you back around £200
__________________________________
Founder of the Difflock Ginger Goatee Club!
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blanche_90
Mud Obsessed


Joined: 23 Nov 2004
Odometer: 2515
Location: recession land



PostPosted: Wed Nov 18, 2009 8:47 pm    Post subject: Reply with quote

it possibly overheated becouse the head gasket was failing.if it was that then that's why there's no compression.
seems a bit drastic though to remove the engine becouse of it. what's the rest of the story behind it?
never the less, check the head gasket, that's possibly all that's wrong with an otherwise good engine.
check the head for true also.

__________________________________
politicans are like a baby's nappy, they need changing often for the same reason
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terence
Guest








PostPosted: Wed Nov 18, 2009 8:53 pm    Post subject: Reply with quote

if you dont fancy the project ill take it off your hands

the water pump is very high on the 300 and a small amount of lost coolant will boil it very quickly when the pump doesnt get wet.


its most likely a HG

if the head is badly scored its scrap

a light skim should be okay though.
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Grant B
Articulating


Joined: 09 Nov 2006
Odometer: 984
Location: Falkirk, Scotland



PostPosted: Thu Nov 19, 2009 9:09 am    Post subject: Reply with quote

Hi,

Got a bit more info last night. Apparently, there was evidence of HG failure, before it was pulled out. It was only removed because he had another engine to go straight back in., and then personal problems etc took over......

I think I'll take it regardless, and pop the head off for a look....I need more jobs to do anyway..........
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ordy
Just got MTs


Joined: 31 Dec 2008
Odometer: 109
Location: northeast england



PostPosted: Thu Nov 19, 2009 6:24 pm    Post subject: Reply with quote

Hello peeps .
Just a thought when you strip it don't forget to renew the P gasket between the timing case and block .On my 300 i changed it with the modifed one made of metal. Just thought i'd stick my penath in . Smile
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