P38A Diesel overheated

mutsnutz · May 15, 2017

Hi folks my x reg range rover 2.5 overheated tonight think the head might be cooked had to drive it in limp mode for a few miles to get of duel carriage way my question is apart from gasket what else part wise do I need to replace head I have a good spare in shed

Grrrrrr · May 15, 2017

You'll need the locking kit.

what caused it to overheat?

mutsnutz · May 16, 2017

Not sure it was fine ran ok up until I hit duel carriage way and then temp went through the roof and it boiled its tits off oil is ok had new water pump on and stat

Grrrrrr · May 16, 2017

mutsnutz said:
Not sure it was fine ran ok up until I hit duel carriage way and then temp went through the roof and it boiled its tits off oil is ok had new water pump on and stat

Duff stat?

Guess you might get some pointers when you get the head off.

mutsnutz · May 16, 2017

Do I need new head bolts when I put it back together possibly be a duff stat I will stick another in it and change the viscous fan and rad with my spare ones it doesn't overheat when ticking over sit all day on tick over temp at middle

wammers · May 16, 2017

mutsnutz said:
Do I need new head bolts when I put it back together possibly be a duff stat I will stick another in it and change the viscous fan and rad with my spare ones it doesn't overheat when ticking over sit all day on tick over temp at middle

New head bolts would be good. And new cam bolt, not totally needed but better safe than sorry. You will need several special tools.

mutsnutz · May 16, 2017

What special tools do I need wammers I have the cam and flywheel locking tools what else is needed

wammers · May 16, 2017

mutsnutz said:
What special tools do I need wammers I have the cam and flywheel locking tools what else is needed

Top chain tensioner retractor and pin to hold tensioner back. Angle gauge for head bolts. Torque wrench. Gaskets.

mutsnutz · May 16, 2017

Thanks wammers do I need to change the chains 160thousand on the clock but no starting issues

wammers · May 16, 2017

mutsnutz said:
Thanks wammers do I need to change the chains 160thousand on the clock but no starting issues

Would be a good idea whilst you have head off. In which case you will need even more tools.

mutsnutz · May 16, 2017

In for a penny in for a few hundred pounds ha ha

mutsnutz · May 17, 2017

Just had a read up on whats involved in doing the job and I think its beyond my skill set so going to put it in mates garage and pay him the money and get the job done right

wammers · May 17, 2017

mutsnutz said:
Just had a read up on whats involved in doing the job and I think its beyond my skill set so going to put it in mates garage and pay him the money and get the job done right

A good man always knows his limitations. Lots would bite off more than they can chew and cock it up.

mutsnutz · May 17, 2017

Thanks wammers just means more overtime booked ha ha ha

Grrrrrr · May 17, 2017

Are you sure the head is cooked?

mutsnutz · May 17, 2017

Not 100% but going to try a different stat viscous fan and rad if it does it again then I think it most likely to be the head it ticks over great temp gauge sits in the middle it will sit like that for hours no problem I was driving it around for over two hours before it boiled

rover75lover · May 17, 2017

From my bitter experience ,have the head pressure tested ,even the one in the garage before it goes on. I had my valves vacuum checked for sealing .Make sure you use a quality head gasket loads of cheap ones about
best of luck

mutsnutz · May 17, 2017

You can bet everything will be checked and double checked just to make sure it doesnt happen again

Mark Piercy · May 18, 2017

I agree, head gasket quality is a serious must!! It's a lot of work to get to the point were you realise the gasket is duff!!!
good luck.

mutsnutz · May 18, 2017

Where is the best place to get gaskets from

P38A Diesel overheated

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