Matt, I don't want to be mis-quoted on that email on oil, so I'll try again. What I said was that: (a) your oil designation may be different to ours here in the UK. Here, EP90 is a really gloopy stinky oil. (b) Our TE transmissions are supposed to be filled with straight W40 - according to the manual. (c) The old boys at my local dealer who were brought up on TEs say to use multi-grade transmission oil in the back end (15W 40 near enough - which is 15 SAE Winter behaviour, 40 SAE summer behaviour). This is multi-purpose oil, NOT hydraulic oil - there is a difference. Now, I don't know much about oils - although I'm a professional engineer, it isn't my subject, so maybe the clue is in the use of the word 'mineral' perhaps mineral oil is different to straight oil, I don't know. Maybe your differing climate accounts for the different oil - I'm just guessing here. Big Dean has spent years working on MFs over in your part of the world, and I wouldn't disagree with experience - but I'm really puzzled why you all seem to use treacle in the back end, when we use much thinner oils. It doesn't seem to make sense. Are there any tribologists out there who can help?? As far as changing the oil goes, if there's water in it, you've got to do it to prevent damage. Then I would check all adjustments very carefully according to the manual - it sounds like something is out. Be especially careful on the front/rear adjustment on the quadrant assembly - it is very sensitive to any adjustment.
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