Vehicle & Technical > Discovery

Disco Temp Gauge

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hobbit:
Could be something like the thermostat is stuck open or out completely.

At least it didn't over heat

roscoe:
Very true hobbit......it was a nice car, was just put off by the fact the dealer said it hadn't had a respray when it so obviously had...oh and the damp carpets and the lack of service history....

there's quite a lot of 94/95/96 300tdi's for sale up here for around £5k at the moment, mostly with 100k plus on the clock, so I have plenty of choice...it's just a case of finding the right one for me.

Again, thanks for all the advice guys, if any one else has any tips on buying a Disco, they will be most welcome.

joe90:
Mine seems to be working the other way round. Normal temp but cold heater. Have just replaced the p gasket and water pump gasket and fitted a new thermostat, but it seems to have an air lock.

Run it up to temperature, the heater blows cold, took the cap of the header tank and it was full..... yet the radiator top hose was cold

Im now confused and have given up for an hour ...... any ideas?

hobbit:
Back flush the heater matrix, put a hose onto the bottom fed port on the heater and turn the tap on, watch the lovely brown stuff flow, if your lucky

muddyjames:
When I bought my disco in November I only had warm air along motorways and the gauge only went to normal at motorway speeds and then it dropped again as soon as I did town roads. I got Mat_H to replace mywater stat as I couldnt work out how to do it and found the oil stat (dont you dare saying anything clever here. I just looked up thermostat in the Haynes manaul and followed the instructions!) and anyway my heater blows out air so hot now the heater stat kicks in and you have to turn the knobs down abit to drag cool air through to get it to kick in again. Also the car warms up in about 2 miles from engine on to needle at half way point on gauge. Cost something like £4 to replace I think.

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