Univeral M4-30 Transmission

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frmreilly

frmreilly

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Jun 3, 2004
78
Pearson 323 Staten Island
My tranny was slipping just a little biit and when I checked the fluid, it was milky & pink -- where would the water come from & how do I deal with it?
 
Mike Holibar

Mike Holibar

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Jun 26, 2007
106
Freedom F39 Lyttelton New Zealand
Possibly condensation over time. To fix drain, flush and refill with new ATF. Other possibility is that the trans has been submerged some time in the past, as was the case with a boat I once bought. I initially did as above but later stripped the trans and found some minor pitting on the bearings which I replaced. The trans was operating OK but I stripped it down primarily to change the ratio and the bearing replacement was incidental to this. Slipping may be due to the position of the f/r lever. You could check that the travel is correct and the gears are engaging correctly. Good luck,
 
B

Barnacle Bill

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Jun 9, 2008
1,850
- -- -Bayfield
Some or many marine transmissions do not use ATF fluids. Read your engine's motor manual. It might take 30 weight oil.
 
Mike Holibar

Mike Holibar

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Jun 26, 2007
106
Freedom F39 Lyttelton New Zealand
Have yet to see pink oil Bill. Could be the oil companies are chasing the pink dollar I suppose.
 
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