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How to track down a transmission leak |
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KENO 
Grand Poobah 
Joined: June-06-2004 Location: United States Status: Offline Points: 11112 |
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 Topic: How to track down a transmission leakPosted: July-28-2024 at 8:08pm |
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If it's the front seal which would be the most likely suspect, it's only gonna leak when the transmission is turning.
It'll leak into the bellhousing and from there eventually into the bilge Whatever is leaking, it'll leak more when the transmission is operating. A few other choices would be the rear seal, the cooling hoses and fittings where they screw into the transmission and the oil cooler, the cooler itself, the gasket where the Forward and Reverse adapter mounts to the case, There are some other spots, but if you run it with the brown paper under it, you should be able to narrow it down. Maybe you'll get lucky and it'll be a hose or fitting
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Lift Films
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Joined: June-09-2015 Location: Raleigh, NC Status: Offline Points: 38 |
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Posted: July-28-2024 at 4:28pm |
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1974 Ski Nautique 351 W Velvet drive transmission
Noticed I had some trans fluid pooling in the bilge after a recent trip. Fluid level is still not at the low level mark so it must have just started. I can't seem to figure out where the leak is coming from. Whats the best way to track it down? I laid some brown paper in the bilge under the transmission for a couple days but nothing dripped on it. This might be a dumb question but do I need the engine cranked to be able to see the leak? thanks for any input.
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Luke Pearson
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