mick the builder · Feb 18, 2012

Under normal driving my temp gauge goes just over half way but while towing a couple of ton of stone, the guage max,s out although doesent over heat. I read the threads about changing the sender on the 200tdi for one to match the guage in the defender but wondered how i could check if this has already been done and if i should check other things for the over heating. Cheers

brock · Feb 18, 2012

give us a bit more info, geussing its a disco tdi fitted in a fender? viscous or electric fans? what condition is the radiator in? if it had the wrong sender it would read hot all the time.

mick the builder · Feb 18, 2012

brock said:
give us a bit more info, geussing its a disco tdi fitted in a fender? viscous or electric fans? what condition is the radiator in? if it had the wrong sender it would read hot all the time.

200tdi disco to def.
viscous fan
as far as i know rad is ok with know leaks or sludge.

300tdistu · Feb 19, 2012

Discovery 200tdi into Def90/110 temp sendor fine thread | eBay

mick the builder · Feb 19, 2012

300tdistu said:
Discovery 200tdi into Def90/110 temp sendor fine thread | eBay

Thanks for the link, just need to undo mine to check thread? or will it be a fine thread.

[JP] · Feb 19, 2012

its a good question.. how do you identify if you have the right temp sensor already fitted though?

My 90 has a disco 200 engine in it..... how do I know if the previous owner didnt fit one of these sensors before?

300tdistu · Feb 20, 2012

mick the builder said:
Thanks for the link, just need to undo mine to check thread? or will it be a fine thread.

best undo and look, thats what id do

but its your money :bounce:

300tdistu · Feb 20, 2012

[JP];1834546 said:
its a good question.. how do you identify if you have the right temp sensor already fitted though?

My 90 has a disco 200 engine in it..... how do I know if the previous owner didnt fit one of these sensors before?

does your temp sit just under the red on motorway ??

if it does try this temp sender, just check the thread

jamesmartin · Feb 20, 2012

mick the builder said:
200tdi disco to def.
viscous fan
as far as i know rad is ok with know leaks or sludge.

apart from obvious with a radiator you need to feel core is hot all over when engine at running temp,it shows rad is cooling efficently

Dave90 · Feb 20, 2012

Mine is a Defender 200tdi originally and now it has a Disco 200tdi, will I have the same problem? 88 degrees seems to be at 1/4-1/3 temp?

300tdistu · Feb 20, 2012

Dave90 said:
Mine is a Defender 200tdi originally and now it has a Disco 200tdi, will I have the same problem? 88 degrees seems to be at 1/4-1/3 temp?

you should be fine mate 200tdi and 200tdi, are old 90's was 2.5td or na

Dave90 · Feb 21, 2012

300tdistu said:
you should be fine mate 200tdi and 200tdi, are old 90's was 2.5td or na

Ah good

must just be running cool or the gauge a bit off, as long as i know when it gets hot

*touch wood* it doesn't happen :doh:

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