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driveshaft issue after flip kit?

gary03l

By gary03l
in Modifications & Accessories

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gary03l Enthusiast

gary03l

Posted
Posted

We installed the mcgaughys 5/7 drop on my brother 2015 sierra single cab. front went smooth but the rear after the install we tried to put the driveshaft back on and it doesnt clear. has anyone had a similar issue?

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1911-A1 Enthusiast

1911-A1

Posted
Posted

Your diff is a lot higher now.looks like the truck is sitting on it's wheels.from your pics it looks like you just need to jack the frame a little to drop the axle and it looks like it will drop right in.make sure you have enough play in the slip yoke when you're done though.

good luck

gary03l Enthusiast

gary03l

Posted
  • Author
Posted

Your diff is a lot higher now.looks like the truck is sitting on it's wheels.from your pics it looks like you just need to jack the frame a little to drop the axle and it looks like it will drop right in.make sure you have enough play in the slip yoke when you're done though.

good luck

the truck was in the air. we pushed the drive shaft all the way in and it looks like if there was anyway to put back in, there wouldn't be any play.

1911-A1 Enthusiast

1911-A1

Posted
Posted

No more ideas here.Hope you're at least having some nice weather in Oceanside,I lived in Carlsbad long ago.

Best of luck

GeorgiaBII Enthusiast

GeorgiaBII

Posted
Posted

Carefully remove the 2 end caps of the joint. DO NOT lose any of the rollers.

 

Slip the joint into position from the side and reinstall the caps.

 

 

That will get the shaft installed very easily.

 

But you will probably need to shorten the shaft.

 

First time I've ever heard of lowering a 4wd truck!

muddkatt Senior Enthusiast

muddkatt

Posted
Posted

7 inch drop has taken all of the extra play out of the driveshaft. You will need to have it shortened, and balanced.

gary03l Enthusiast

gary03l

Posted
  • Author
Posted

Carefully remove the 2 end caps of the joint. DO NOT lose any of the rollers.

 

Slip the joint into position from the side and reinstall the caps.

 

 

That will get the shaft installed very easily.

 

But you will probably need to shorten the shaft.

 

First time I've ever heard of lowering a 4wd truck!

2wd

7 inch drop has taken all of the extra play out of the driveshaft. You will need to have it shortened, and balanced.

you know how much does it need be shortened ?
07Softail Senior Enthusiast

07Softail

Posted
Posted

This is KRAY! KRAY! having to shorten a drive shaft after lowering!! Mine slipped in with 1 1/2 play GM is really off in manufacturing tolerances these days!

 

RT

GeorgiaBII Enthusiast

GeorgiaBII

Posted
Posted

2wd

you know how much does it need be shortened ?

 

You will need to take a measurement from the pinion to the output shaft of the transmission. Take that measurement with weight on the wheels.

 

Take that and the shaft to the local drive shaft place and have them take care of it.

This is KRAY! KRAY! having to shorten a drive shaft after lowering!! Mine slipped in with 1 1/2 play GM is really off in manufacturing tolerances these days!

 

RT

 

Not really. GM designed the truck to ride at a given height. This gent has radically changed the geometry of the drive line. This isn't unexpected.

muddkatt Senior Enthusiast

muddkatt

Posted
Posted

2wd

you know how much does it need be shortened ?

No I dont know how much to shorten it.

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