Hi Guys, there seems to be a lot of heat coming from my 130s gear box through underneath the seats. If outside temperatures are above around 24 degrees it gets very hot inside the cabin from that part of the car. If it is cooler outside it is no problem at all. The transfer and gearbox are to hot to rest my hand on it after driving. Is this normal? how hot should a gearbox get? It only seems to be a problem if I cruise continuously around a 100km/h any comments are appreciated thanks Ralph
On or around Mon, 9 Jan 2006 19:39:01 +1300, "Ralph" enlightened us thusly:
the seats. If outside temperatures are above around 24 degrees it gets very hot inside the cabin from that part of the car. If it is cooler outside it is no problem at all. The transfer and gearbox are to hot to rest my hand on it after driving. Is this normal? how hot should a gearbox get? It only seems to be a problem if I cruise continuously around a 100km/h
check the gearbox and T-box transfer levels. However, you very likely have a cat under there as well... and they get hot.
There should be a warning light, I should think, for transmission temp., if it really gets hot.
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My 110 has been like this for years, more to do with air being able to come up from under the car than any real concern has been my assumption, as a gearbox and transfer box are going to get bally hot anyway as part of their normal function. Some cars have specific cooling systems for preventing this, but it's only really needed on high-performance cars or those with particularly stressed transmissions, I'd imagine that large trucks probably have transmission coolers for example.
I've always regarded that as perfectly normal, you'd get hot too if you had lots of gears thrashing about inside you at high speed! Mine only gets hot when cruising, at similar speeds to yours, I'll be solving it not by trying to fix the transmission problem (because I don't think there is a problem) but by fixing the leaks around the metal plate that sits under the cubby box which I caused by bolting the cubby box to the thin plate instead of doing a proper job.
If a gearbox gets too hot it'll sieze, and mine's not done it in a few years with those symptoms despite cruising for 3 hours a day at an average speed of 60MPH while I still commuted. I don't do that kind of driving any more but the landy didn't seem to mind it. In the summer it did get uncomfortable and I had to open the windows at times, not even the draughty old canvas roof I fitted could get rid of the heat.
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