What is this part off my driveshaft/diff?
Thread Starter
Senior Member
Joined: Apr 2003
Posts: 500
Likes: 0
From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
What is this part off my driveshaft/diff?
Hi everyone,
The other day I unbolted the driveshaft from where it bolts onto the diff, and the part as seen in the attached image fell off as well. I haven't a clue where it came from so don't know if it's important.
I have put everything back together minus this part and the car drives fine.
Any clues please?
The other day I unbolted the driveshaft from where it bolts onto the diff, and the part as seen in the attached image fell off as well. I haven't a clue where it came from so don't know if it's important.
I have put everything back together minus this part and the car drives fine.
Any clues please?
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Joined: Mar 2002
Posts: 18,432
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: What is this part off my driveshaft/diff?
Toss it in the trash. It is an assembly line aid that ties the two u-joint caps together. This way the caps stay in place as the drive shaft is installed.
RBob.
RBob.
Joined: Jul 2011
Posts: 744
Likes: 5
From: Davison, MI
Car: 89 Camaro
Engine: Dart SHP 400-Holley Terminator EFI
Transmission: Tremec T56 Magnum F
Axle/Gears: Strange S60 3.55:1
Re: What is this part off my driveshaft/diff?

I was gonna guess the same thing, but wasn't sure since there was no reference to size. I think you're right though, that's probably what it is.
Re: What is this part off my driveshaft/diff?
Are there 2 of them? One on each side of the u joint? If there are then the other one needs to be removed to keep everything in balance. I can't remember if there are 2 or just 1.
Joined: Sep 2005
Posts: 27,915
Likes: 2,447
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: What is this part off my driveshaft/diff?
There's just 1; it goes from one of the cups that goes into the rear end yoke to the other, to keep em from falling off during handling and assembly.
Totally a throw-away part to us out here in meatspace. CRITICAL to the factory, IRRELEVANT DEADWEIGHT once the car has been built.
Out here in the RW, I usually just use masking tape if I need to leave a DS sitting around and don't want to lose the caps.
Totally a throw-away part to us out here in meatspace. CRITICAL to the factory, IRRELEVANT DEADWEIGHT once the car has been built.
Out here in the RW, I usually just use masking tape if I need to leave a DS sitting around and don't want to lose the caps.
Supreme Member




Joined: Jan 2000
Posts: 3,178
Likes: 48
From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: What is this part off my driveshaft/diff?
I keep a bunch of those thick rubber bands they use during packing of asparagus to keep the bunches together. These bands work great for keeping the u-joints together.
Only problem with this is I'm forced to eat the asparagus.
Only problem with this is I'm forced to eat the asparagus.
Thread Starter
Senior Member
Joined: Apr 2003
Posts: 500
Likes: 0
From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: What is this part off my driveshaft/diff?
Oh cool, thanks for the clarification guys.
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