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Funny Story But need help!

cav13

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cav13 Enthusiast

cav13

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Hey guys, thought I would take my truck on the highway and give it a good push and take her up to 160kph to get the juices in the truck flowing and clean her out a bit... well, when I hit 150kph, I feel this loud BANG like someone took a hammer and hit the floor between me and the passenger seat! I was like what the hell... and the truck started to vibrate... So now everytime I take it up to even 140kph, the truck starts to shake.... So i get home and do some investigating.. and I beleive what happened was the damn balancing weight on the driveshaft had rusted and finally gave way! I assume now when I take it up to higher speeds that the weight being off causes a shake though the drivetrain... errrr.

But my question is, would a 1993 GMC sierra 4x4's driveshaft fit a 1998 GMC sierra 4x4 driveshaft? I assume it would be cheaper to swap out the driveshaft completely besides removing it and getting it rebalanced.. what do you think?

Duelin Enthusiast

Duelin

Posted
Posted

If you can see where the weight came off. Get a big worm type stainless clamp and put that on the shaft and put the screw part where the weight came off and see what happens. You might have to move it around a little. That might hold you until a good used shaft shows up. Either that or keep it under 140.

cav13 Enthusiast

cav13

Posted
  • Author
Posted

I have heard of that solution actually. its a neat idea. I rarely ever go 140 beleive me. But there is a guy selling one for $40 but his is a 93, would it fit? what should I look for?

waumo1 Enthusiast

waumo1

Posted
Posted

If you can see where the weight came off. Get a big worm type stainless clamp and put that on the shaft and put the screw part where the weight came off and see what happens. You might have to move it around a little. That might hold you until a good used shaft shows up. Either that or keep it under 140.

 

 

Back in the 60s the service manuals actually used this method to balance a driveshaft except they said to use two worm clamps and to fine tune the balance you would move worm screw part of the two clamps closer or farther apart.

waumo1 Enthusiast

waumo1

Posted
Posted

what are worm clamps?

 

You know, you use them to clamp worms to things.... :crackup:

They are the type hose clamps that have a worm screw that tightens them.

 

Yeah I know - What is a hose clamp. :M16:

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cav13 Enthusiast

cav13

Posted
  • Author
Posted

ok, yea we just call those hose clamps. But does anyone know if a 1993 driveshaft will fit a 1998 truck? both ext. cab 4X4's

nickvrebel Senior Enthusiast

nickvrebel

Posted
Posted

I'm not familiar enough to tell you that it will fit, but I don't see a reason why it wouldn't..... however:

I would recommend finding a local driveline company and have your current shaft looked over. Let them make sure it is straight, check u-joints and they will be able to rebalance it. You just don't really know what you are getting buying a used driveshaft.

Duelin Enthusiast

Duelin

Posted
Posted

I don't know! I don't have access to that kind of information. You might want to check with a salvage yard. The have cross reference manuals. You will need to know which rear end is in both also what transmission and wheel base for both. Or get under both and measure the length and measure the u-joints Both the width of the joint and the diameter of the cups.

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