View Full Version : u joint swap
mtg6486
04-01-2010, 03:11 PM
im swiching my stock 98 trans am u joint to one compatible with my moser 9". what is the proper way to get it out? can you beat it out with a hammer or do you need a press?
WildBillyT
04-01-2010, 03:14 PM
If you do not have access to a press you can use a vise and a pair of sockets.
mtg6486
04-01-2010, 03:17 PM
i tried my vise but it was too small i guess i need a press
Mark42
04-01-2010, 07:07 PM
im swiching my stock 98 trans am u joint to one compatible with my moser 9". what is the proper way to get it out? can you beat it out with a hammer or do you need a press?
Are the U joints in the shaft the factory original? If so, they are held in place by injected nylon. I was able to get them out by heating the lobes with a propane torch. You will know when its hot enough, the nylon will expand and shoot out the injection holes like a snake. Then the joint can be driven out with a socket and hammer. Otherwise, you risk damage to the shaft, especially if its aluminum.
deadtrend1
04-01-2010, 07:22 PM
Are the U joints in the shaft the factory original? If so, they are held in place by injected nylon. I was able to get them out by heating the lobes with a propane torch. You will know when its hot enough, the nylon will expand and shoot out the injection holes like a snake. Then the joint can be driven out with a socket and hammer. Otherwise, you risk damage to the shaft, especially if its aluminum.
Im not sure if thats true for aluminum shafts. Might be, i haven't done them with my LS1 shafts yet. But, on my thirdgen 1LE shaft, there wasn't.
I had a problem on my buddies surburban's shafts with my propane torch not being hot enough. I had to take them to work and use oxy/Acetylene torch. Just be careful because the grease can make the caps explode/blow off if you get them too hot.
You just need to swap to a 1350 U joint for the 9 inch? Correct?
Mark42
04-01-2010, 07:46 PM
Im not sure if thats true for aluminum shafts. Might be, i haven't done them with my LS1 shafts yet. But, on my thirdgen 1LE shaft, there wasn't.
I had a problem on my buddies surburban's shafts with my propane torch not being hot enough. I had to take them to work and use oxy/Acetylene torch. Just be careful because the grease can make the caps explode/blow off if you get them too hot.
You just need to swap to a 1350 U joint for the 9 inch? Correct?
The 00 ls1 aluminum shaft I got from Charlie had the OE joints held in with injected nylon.
All it takes is a few minutes with the propane torch and it comes apart without beating the heck out of it.
mtg6486
04-02-2010, 03:36 PM
i tried heating up last night but it still didnt give so i took it to a local trans shop and they swapped it for me. i think my torch just couldnt get hot enough
NastyEllEssWon
04-02-2010, 04:02 PM
marks right. you have to heat em up and theyll pop like a zit :nod:
ThoR294
04-03-2010, 01:04 PM
my steel shaft out of my 96 and a 01 alum i got off ebay had nylon in it. had to heat it up to get the nylon out :P you can normally see a tiny hole with nylon in it on the side of the driveshaft
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