Depressed P38 4.6 V8 owner and newbie damn the coolant system..

Hi all,

New to the site and to the Range Rovery family. No-one wants to know about me so let's get down to Ranger.
OK so it's a 1997 P38 4.6 V8 LPG conversion on 133k, considering the age it's immaculate inside however as recent events have confirmed, the engine area isn't. Started overheating last week which led me to this site (if only I found this before lol). It had the head gaskets changed in Apr 16 and water pump in may 16 so my thought process is that they can't be an issue. Having read a few threads and spoken with a local independent, I've taken the tstat out to see if that's the issue (currently heating up on the cooker).
The next stage will be to question the gaskets as it overheats in under 5mile, if it's not them then it could be the worse case of the liner going...

Anyway I have no idea what I'm doing so any advice, other than scrap the thing, would be most welcome.

Welcome to the site things tocheck
Stat
Coolant level
Tight fitting coolant cap
Air locked heater

Viscous fan

Air lock - drive up a bank or verge putting top of rad highest point/rev engine..a bit.
Blow through small return pipe from top of rad to reservoir (sometimes blocked at res end.)
Compression test cylinders to id head gasket fault may have been fitted badly.(then check head bolt tightness and test again)
I've had all the above to blame for overheating....slipped liners do happen but rare.
Get yourself some diagnostic / reset software to carry in the car..it will drop you in the cr#p. Happy motoring.

check the rad , blocked rads arent uncommon

biketeacherdave said:

Viscous fan

Click to expand...

As a complete novice I've not heard of that before, what is it?

Moron said:

check the rad , blocked rads arent uncommon

Click to expand...

That's what I thought, but the lad in the garage explained that if it's overheating between 3-8mile it's nearly always the tstat as the entire coolant hasn'the heated enough to warm the rad...

Enuff said:

Air lock - drive up a bank or verge putting top of rad highest point/rev engine..a bit.
Blow through small return pipe from top of rad to reservoir (sometimes blocked at res end.)
Compression test cylinders to id head gasket fault may have been fitted badly.(then check head bolt tightness and test again)
I've had all the above to blame for overheating....slipped liners do happen but rare.
Get yourself some diagnostic / reset software to carry in the car..it will drop you in the cr#p. Happy motoring.

Click to expand...

Once the tstat is fitted will bleed and see how it runs.

Enuff said:

Air lock - drive up a bank or verge putting top of rad highest point/rev engine..a bit.
Blow through small return pipe from top of rad to reservoir (sometimes blocked at res end.)
Compression test cylinders to id head gasket fault may have been fitted badly.(then check head bolt tightness and test again)
I've had all the above to blame for overheating....slipped liners do happen but rare.
Get yourself some diagnostic / reset software to carry in the car..it will drop you in the cr#p. Happy motoring.

Click to expand...

How do you check head bolts for tightness on angle tightened fasteners without knocking them all back and starting again?

wammers said:

How do you check head bolts for tightness on angle tightened fasteners without knocking them all back and starting again?

Click to expand...

Bingo....
Gotta say if any cylinders were low I'd do the gaskets anyway but you may save some time and money cus you would be nuts not to check / skim heads at the same time, if the engines overheated.