Is this bad?
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Is this bad?
I kept hearing this loud bang whenever I dropped my truck into gear and when I finally started poking around under the truck I found this.
When I took it apart it looked like this. Is this bad? Should I be worried?
Broken em' straight in half but never stripped em' like this. 
When I took it apart it looked like this. Is this bad? Should I be worried?
Broken em' straight in half but never stripped em' like this.
Junior User
Joined: Apr 2002
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From: Arcadia US
I have a quite a few u-joints that looked like that. When I put them in the front of my f-150 the two on the outside looked just like that, just hadn't been greased before I got the truck. Just replace it and drive, you won't have any problems, I got over 55,000 more miles on my u-joints that looked like that when I replaced them and no problems at all.
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Here's the killer part, I knew it was going but I still drove from L.A. to San Fran on Saturday with it clunking like a mother every time I let off the gas or stepped on it. When I got home I saw how bad it was, so I drove it in to the street, stood on the brakes and the gas until it let go. Rear drive shaft at the pinion. 42k on the odometer but 55k by my calcs counting the od being off because of the tires.Not too bad when you consider that I have about 380 rwhp and 40's.
Post Fiend
Joined: Jan 2002
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From: USA
Cwb,
I'm usually a bearer of bad news sometimes but maybe not this time!
I would chk your rear pinon shaft bearings and watch that the seal doesn't start leaking. Its sometimes a by product of rear u-joints going bad over time.
Just a heads up for ya.
Rich
I'm usually a bearer of bad news sometimes but maybe not this time!
I would chk your rear pinon shaft bearings and watch that the seal doesn't start leaking. Its sometimes a by product of rear u-joints going bad over time.
Just a heads up for ya.
Rich
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I had the gears done not all that long ago so I think I will be o.k. but I will keep a look out. Thanks. K. Krett, this thread was entirely tongue in cheek. If you have u-joints that look like that and you put them back in you could be in for some trouble. Imagine if you will, your fine looking black truck having a catastophic u-joint failure at, say, 60 on the highway. Not only will your shaft continue to spin and probably destroy your gas tank (it won't spark if you're lucky) beat the hell out of your bed, destroy your shocks and whatever else it hits, but are you willing to deal with the fallout from small shrapnel flying into other drivers on the freeway? Don't laugh, I saw it happen to the tune of around ten grand to fix the guy's truck and all the other crap he wrecked from his flying metal.Not worth it for a $30 joint.Jmho.
Last edited by cwb; Apr 6, 2004 at 11:11 AM.
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From: Dallas
Hmm cwb.. looks fine to me 
.. just slap it back on there, just with a little more grease this time..
.. just slap it back on there, just with a little more grease this time..
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From: Independence, MO
Those look A-OK to me! LOL I haven't snapped one in half yet, but while driving through fields or going down the road etc. I'd picked up something in the U-Joint that snapped off the grease zert........ bing a bang a boom! a few weeks later I was hearing the familiar sound of grinding bearings and rapidly disintegrating bearing cups! I didn't know the zert had been broken off til the grinding began..... Doaaattt!!!