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Old 03-30-2007, 06:12 PM
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drive shaft removal

I just got a 71 el camino with a 3 speed manual. The guy I got it from said the drive shaft quit turning while he was towing it but he couldn't get the yolk/yoke out of the transmission. Is there a trick to it or is it just sticking? It looks like the car used to have a column shifted automatic. I will probably put a 350 in it if it turns out the 3 speed is bad. The shift pattern on a 3 speed sucks anyway. I think someone was smoking something the day they designed those things. I would consider putting a 4 speed in it; but they are inflated due to the classic/nostalgic value of them. I suck at stick anyway; not to mention my chronic back and foot problems. I think I will look at getting a 350 with a floor shifter since it already has a hole in the floor. Thanks!

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Old 03-30-2007, 08:33 PM
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The driveshaft quit turning while towing it?

That don't sound to good to me. You should be able to take the u-joint caps off of the rear end, push the shaft forward a bit so it will drop and then pull it out of the trans.

Sounds like you need a pry bar to get it out of the trans...but I wonder exactly what happened when it "quit turning while towing it".

Rear end lock up? Trans lock up?
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Old 03-30-2007, 08:54 PM
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That does not sound good at all. Sounds like something is damaged. Lonestar posted the right way to remove it. It should slide right out of the trans once it is unbolted at the rear end.
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Old 03-31-2007, 02:11 AM
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drive shaft

the 10 bolt turns perfectly. it is definately the transmission. 3 speed manual. I will be putting an auto BACK into it. thanks.
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Old 03-31-2007, 07:51 AM
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the 3 speed would not lube it's self as it is towed.

this would damage & over heat the trans .
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Old 03-31-2007, 09:44 AM
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I wondered if that was the case with chevy too. I am a ford guy, but we have to drop the driveshaft for towing, otherwise you burn them up.
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Old 03-31-2007, 10:01 AM
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Quote:
Originally Posted by Crosley
the 3 speed would not lube it's self as it is towed.

this would damage & over heat the trans .
There you go. I know a guy who tried to tow a car with the driveshaft still connected to the rear and no transmission.

He kept wondering what in the world all that banging was...and why he didn't have a trans tunnel or floorpans when he got to his destination
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Old 03-31-2007, 05:18 PM
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when in doubt , take the driveshaft out

here are a few photos of a GMC truck 700r4 trans that was towed for many miles ...... customer's comment: " it was in neutral"

aluminum input drum melted from heat / no lube




where some of the melted aluminum went....



there should be teeth on those gears;

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Old 03-31-2007, 05:24 PM
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3 speed drive shaft

Thanks. I don't know much about manual transmissions. I know an automatic won't pump without the engine running. I didn't know it made a difference on stick shifts. I will email the guy about it. I bought it as a running and driving car. He destroyed the oil pan and looks like transmission while delivering it as a "favor." It had sat in a field since 1990 until a few months ago. Thanks. It has the column from an auto car in it. I don't know if it had an auto or if they just put that column in it. It had a green interior (VIN) but the dash column are black. The door panels may have been dyed there is a hint of green still showing at the very bottom of the panel. Thanks again. I think I will get a lottery ticket I am feeling so lucky. LOL
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Old 03-31-2007, 07:47 PM
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Quote:
Originally Posted by Crosley
the 3 speed would not lube it's self as it is towed.

this would damage & over heat the trans .
There is no pump in a manual trans,gears sling the oil as it turns. No problem to tow in nuetral,or in gear other than the extra drag.
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Old 03-31-2007, 08:34 PM
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Quote:
Originally Posted by Crosley
the 3 speed would not lube it's self as it is towed.

this would damage & over heat the trans .
When did it become a problem with manuals? I know that with an auto if the converter isn't pumping then bad things happen...but a manual?
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Old 04-01-2007, 08:41 PM
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drive shaft removal

I finally got the drive shaft out of the car. It wasn't easy, but not that hard either. Plus, while I was under the car, I found out that my 10 bolt is really a 12 bolt!!! Isn't that cool? lol I doubt its a posi though. It has a cover like a 10 bolt (the crease line 1/2 circle). I have always had 10 bolts before. Don't know what gears it has though. It says 1975 350 on the factory style air cleaner. It is a non egr orange stock intake with a heat choke Qjet. The #s aren't in my chiltons 1972-79 manual. 1985 edition. 17058213 1438 BJB
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Old 04-01-2007, 10:13 PM
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Quote:
Originally Posted by Lonestar
When did it become a problem with manuals? I know that with an auto if the converter isn't pumping then bad things happen...but a manual?
the cluster gear of that 3 speed is spun by the input shaft. The cluster throws the gear oil around the inside of the case.
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Old 04-02-2007, 02:01 AM
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drive shaft 3 speed

The 3 speed transmission acts like an auto in park. The shaft wouldn't turn, kinda like the rear axle when both wheels are on the ground or the trans is in park. Thanks for the information. We'll remember that in the future.
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