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Overrun/sprag clutch in a 904
https://slantsix.org/forum/viewtopic.php?t=18654		 Page 1 of 1
Author:  gmader [ Tue Jul 18, 2006 7:15 pm ]
Post subject:  Overrun/sprag clutch in a 904
So, what are the sounds and symptoms of the overrun clutch going bad in a 904?

I have a bad feeling about my drive home last night.

Greg :shock:
Author:  gmader [ Wed Jul 19, 2006 8:18 am ]
Post subject: 
So, not getting any response, let me tell you what happened, and hopefully, it will ring a bell with somebody. The tranny seems fine as I am getting up to speed or holding a steady speed. If I take my foot off the gas, or hit the brakes ( slowing down in traffic, taking a corner, etc), I am hearing a buzzing or rumbling coming from what I think is the transmission.

So, whatta ya think? Overrunning clutch? It makes sense to me.

Thanks,

Greg
Author:  Doctor Dodge [ Wed Jul 19, 2006 9:21 am ]
Post subject: 
I would spend the time to drop the trans. pan and take a look for signs of trouble. (pieces of metal)


Low fluid or poor fluid flow (plugged filter) can cause a buzzing sound.
In general. a OR clutch problem is hard to spot prior to complete failure.
DD
Author:  gmader [ Wed Jul 19, 2006 9:36 am ]
Post subject: 
I will give that a try. I should replace the filter anyway. It may be the original, given the rest of the maintenance that I have seen.
Author:  gmader [ Sun Jul 23, 2006 11:05 am ]
Post subject: 
I saw a few bright bits of metal in the pan. The magnet test picked up only a few, so I am guessing that most were aluminum. I have refilled the trans, and started it up, cycling through the gears. All is good so far. I will try it out after church today.

Thanks,


Greg
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