93 Disco Engine/Auto Gearbox running hot
Looking forward to learning heaps from you people, many thanks for gettings this forum up and maintaining a god level of "life!"
Now to the good stuff. A couple of weeks back my 93 Disco, which has about 190,000 KM's started running hot. I found it was loosing coolant through a split hose at the back of the water pump. I replaced the hose and put coolant in 50/50 mix. I also checked out the thermostat and found it had kind of sprung into a funny position, sort of half open/closed. Anyway, as I'm in Australia, pretty warm, I just thought I leave the thermostat out for now.
The engine still runs at over half way on the temperature gauge, and today my automatic gearbox temperature light came on. I figure that cools through the radiator too. I flushed my radiator with the usual 3 buck flush you can put in it, but I also took off the top and bottom hose and I seem to have a pretty good rate of flow, i.e. the water goes in quick and comes out seemingly unhindered. Logically though it seems to be a radiator problem doesn't it? All my lube levels in the engine and gearbox seem good.
Just more info in case you are still reading 8-) The water in Perth is really hard, so is it actually likely I have a calcium build up in the radiator? If so can it be budged? Can this be the case if I have a good flow through the radiator when I put my water hose in the top?
Don't know where to go from here but am afraid of getting shafted by a dealer with a big bill so would really appreciate a good push in the right direction. Would love some fast feedback then hopefully I can set about fixing it over the weekend.
Thanks all! Have a great week!
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