Vehicle & Technical > Discovery
What does this warning light mean?
Tony F:
The sender unit is very prone to corrosion due to its position. This is a very common problem with autos and is nearly always the switch and not a gearbox problem.
Try a new switch first and check the condition of the wires leading to it, these also corrode and I had to replace a section of wiring and the connectors when my Disco had this problem.
muddyjames:
been there done this route on my disco. I had it come on when towing my caravan. limped to the campsite. left it over night and came on with ignition.
It is the oil temp for the auto box. I bet you 99% it is the 2 pins the wires push onto ontop of the sesnor in the pipe. The only thing stopping water getting into those is a small rubber cap. useless! It cost me about £20 for a new part and about 10mins to change it. RAC said it wasnt a job he could do without ramps!! pah :lol:
All it takes is a big spanner, undo the old one and extremely quickly put the new one in or you end up with auto fluid everywhere! The sensor is about 1-2ft ish along the pipe going front and back of the car from the radiator. Dead easy to find and most probably rusted up. Can try and take a photo of its location if you need.
Rossko:
I'm not sure if this applies to Disco, but I think only Rangie with viscous-coupling? There may be another identical temp sensor in the transfer box, right behind the handbrake backplate. Well protected from damage but fair game for a dunking! And its wires press/chafe on the backplate. It lights the same dashboard light.
Pretty sure this isn't applicable to Disco
cheers, Ross K
Buddha:
Well cheers for all the guidance. I'll be having a roll round underneath it tomorrow, but feel a little more re-assured that it's not quite as dire a warning as I first feared.
SnakeLogic:
I used to have troubles with mine on drives up the in the mountains in the hot Japanese summer. The Land Rover manual says you should pull over and stop driving until the light goes out. To prevent that from happening, I've found that switching into into 2nd (auto box) does the trick. The transmission isn't trying to do as much work switching gears, and stays happy.
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