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Anyway to know If a Tranny is Good?


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Drop the trans pan and inspect the internals that you can see and look at the fluid color and trans filter. Smell it. At that point if you don't think anything is totally fubar then about the only direction to go is bench testing it at a shop that does trans rebuilds or something or to install and test it.

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For both of the ones that I took out of the yard, I first looked for other reasons why the car would be in the junkyard. Yours has a seized motor; that's probably why it's off the road.

 

Another thing to do is check the fluids. Translucent red trans fluid is great. Check the diff as well. Should look like heavy motor oil. If the diff is bone dry, stay away from that trans. If there's any indication of the two fluids mixing, forget about using that trans.

 

Pull the pan and take a look. How does the filter look? One trans that I had go bad had a ripped filter. Not a good sign. Also check the magnet in the pan. If it has lots of metal shavings stuck to it, get another transmission.

 

Pull the governor gear and check it according to these instructions: http://usmb.net/repair/?CurrentDirectory=FOLDER_3f29b58f50d9b8.15492800/&FileType=Article&File=ARTICLE_3f57fdb83de231.34713659.art

 

That's all I know to check, I kind of had a "crash course" in automatic transmission service and there's lots I don't know. After doing all those things I managed to go 2 for 2 with pulling good transmissions from the junkyard, so I'd like to think I was doing *something* right.

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