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Joined: Mar 2006
Posts: 8
Grease Monkey
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Grease Monkey
Joined: Mar 2006
Posts: 8 |
We thought we had a broken axle on our '28 National but all the gears are fine. Is there a pin in the drive shaft that might be broken, or anything else anyone can think of? Thx.
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Actually, we need more information. From what you have said I assume the vehicle won't move under it's own power. Could be broken axle, broken driveshaft, stripped spline gears, stripped key or keyway, ect. What do you mean by: (all the gears are fine)? 
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Mar 2006
Posts: 8
Grease Monkey
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Grease Monkey
Joined: Mar 2006
Posts: 8 |
We took the plate off the rear end and the axles are fine and the gears are fine. (per my husband) Hope this helps.
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Jack up one rear wheel. Place car in gear. Turn the wheel that was jacked up. If you can turn it you have a problem. If you can't turn it, then what is the problem?
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Oct 2005
Posts: 124
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Oct 2005
Posts: 124 |
Question: I have both rear wheels free, when I turn one say clockwise the other one turns counter clockwise, that's correct? I assume the transmission is in neutral as the turning goes nice and smooth. The shift lever is frozen/not movable in that position, but that's a whole new project.
Thanks for your time and sorry for busting in here, but while we're at it, I might as well.
Richard
How sweet is the roar of a Chevy four (Thanks Chipper)
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Joined: Nov 2001
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
Joined: Nov 2001
Posts: 29,863 |
"Question: I have both rear wheels free, when I turn one say clockwise the other one turns counter clockwise, that's correct?" Yes. 
The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Joined: Oct 2005
Posts: 124
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Oct 2005
Posts: 124 |
OK one thing less to worry about, still wondering why they parked it in that pile of junk.
Thanks :)
How sweet is the roar of a Chevy four (Thanks Chipper)
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Joined: Mar 2006
Posts: 8
Grease Monkey
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Grease Monkey
Joined: Mar 2006
Posts: 8 |
OK - I am assuming that my husband has done the jack it up stuff you said. He says the problem appears to be somewhere between the rear end and the transmission. He's just wondering (before he starts tearing into it) if there was any common problem that he should look at first that would save him hours of looking. Thanks!
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
If your husband performed the checks I suggested, it is time to disassemble the U-joint and see what is broken. Could be drive shaft, stripped splines, ect.
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Mar 2006
Posts: 8
Grease Monkey
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Grease Monkey
Joined: Mar 2006
Posts: 8 |
Thanks... that definitely gives us the direction to go.
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Joined: Jan 2002
Posts: 809
ChatMaster - 750
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ChatMaster - 750
Joined: Jan 2002
Posts: 809 |
Most Chev 4's break tailshafts, usually at the rear, on the tapered end around the keyway. You need to take the tailshaft and pinion from the ring gear to see the break
Chris
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