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I have a Misubishi BD2B Dozer that has a transmission fault will operate ok for 1 to2 hours then has shift problems and the oil overheats

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  • Cars & Trucks Master
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I will try to answer this because I work on Tractors too. It sounds like your oil is breaking down from the heat. My first impression is that Mitsubishi may have oil additives specific to its products. Over time and with leakage, the oil may have been changed to something different that just is not holding up.

Lucus makes an additive which reduces friction. But you would have to be careful with any additive. The Limited slip differentials use an additive which prevents slippage and this is contrary to the Lucus product.

The point being is how your components are suppose to lock up, if any of that technology is used in your gearbox. Gear clearance inside the trans can be affected by heat, If a SLAVE cylinder is used on the clutch assembly you could lose assistance if the oil thins or leaks out. This would change your clutch clearance as the pedal would not move the clutch inside the housing as far.

Heat can be a sign of friction. Bad bearings on the track could cause more resistance and the heat will build.

I hope my solution is helpful, please rate my response. You have a problem which is outside our normal catagories.

Posted on Nov 04, 2012

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Posted on Jan 02, 2017

  • 38 Answers

SOURCE: transmission

Yes it does matter. Remember your filter is a screen that the oil flows over. If it is clogged it will not allow clean oil past it and to some extent will be like you are low on oil or high if the oil can not flow.
Change the filter and look for metal deposits in both the fluid and the filter. Minute shavings like sand or smaller is normal as long as there is not a lot. If you see a lot or see big particles then gears have been ground and you are looking at trouble. Get fixed early. Otherwise if filter is clean and fluid is fine and tranny still does this they make additives for tranny's to help with slipping. I use tranny medic. Follow the directions as you will need to drain some of the fluid out. Also do not add to your tranny unless you have met or exceeded the mileage specs on the bottle of the tranny medic. Hope this helped.

Posted on Sep 12, 2008

tepfy
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SOURCE: oil is leaking with antifreeze

you have a cracked block or head gasket, $$$$$$$$$$$$$$$$$$$$$$$$$$

Posted on Aug 19, 2009

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SOURCE: fiat hitachi dozer engine problem

if you have electric fans make sure they are working they have a thermal switch. check your thermostat or replace it there cheep buy a new one save you a head ache in the future. check radiator fluid levels replace if needed if you haven't flushed your system in a while get it done. Good luck

Posted on May 26, 2012

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