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 Re: Vibration
[Re: 4Crawler]
#764310
11/11/06 08:00 PM
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Joined: Apr 2006
Posts: 45
OP
Getting the Wheeling Fever
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Thanks for the link. I did think it was strange that gear oil came out of the flange when I removed the driveshaft as I don't remember that happening when I replaced the clutch.
I've never replaced/removed the third member so I don't know exactly how things go together. I assume tightening that 30mm nut isn't going to remove the play from turning the flange, will it?
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Re: Vibration
[Re: parshal]
#764311
11/11/06 08:12 PM
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Joined: Jan 2000
Posts: 12,153
Web Wheeler
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Tightening the nut may help if it is is just some excess play, but if the play is due to a worn bearing, then it won't help. I used to have to tighten my old rear pinion flange every 6 months or so.
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Re: Vibration
[Re: parshal]
#764312
11/11/06 08:12 PM
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Joined: Apr 2006
Posts: 45
OP
Getting the Wheeling Fever
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That was easy enough to remove. Once the flange is removed the shaft is quite loose. I'd suspect the rear end is shot but I don't know how loose the shaft is supposed to be if at all.
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Re: Vibration
[Re: parshal]
#764313
11/11/06 09:34 PM
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Joined: Apr 2006
Posts: 45
OP
Getting the Wheeling Fever
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I tightened the nut and it did tighten the flange a bit. I took it for a test drive and it may be a little better but the vibration is certainly not gone.
The thing that perplexes me is that it does not happen if the clutch is depressed whether the truck is in neutral or not. The fact that the clutch has an effect has me wondering.
Oh, well, now that I'm convinced it not the u-joints I'll just drive it until it breaks.
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Re: Vibration
[Re: parshal]
#764314
11/12/06 02:28 AM
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Joined: Oct 2005
Posts: 1,287
Body Damage is Cool
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...I'll just drive it until it breaks. Always a good solution. <img src="/forums/images/graemlins/patriot.gif" alt="" />
-1986 TOYOTA
22R
ZUK coil rear
Torqued T-Bars
Marlin HD clutch
Newly rebuilt!! Runnin' like a champ!
AZTTORA #492
TLCA member
"I hear there's rumors on the Internets that we're going to have a draft."
--George W. Bush
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Re: Vibration
[Re: 4WD22R]
#764315
11/12/06 04:11 AM
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Joined: Aug 2003
Posts: 2,311
Forum Moderator
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...I'll just drive it until it breaks. Always a good solution. <img src="/forums/images/graemlins/patriot.gif" alt="" /> Not in this case if you have a bad bearing then replacing the bearing now means not completely rebuilding the rear end in the future. Big difference in price and headache.
(aka suprathepeg, aka Sean)
89 v6 SWB truck "BLACK BEAUTY" EB valves, P&P head 30 over.
95 FZJ80. Lifted. locked and rollin on 33s (my dream machine)
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Re: Vibration
[Re: Rauch_Off_Road]
#764316
11/12/06 05:41 PM
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Joined: Apr 2006
Posts: 45
OP
Getting the Wheeling Fever
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Well, I would definitely need some help diagnosing what is broken. From what I can see, whatever is broken is internal to the third member. If I've got to take that off/apart I might as well replace it all. At least, that's my thinking.
I was doing some searches here and haven't been able to find anything about diagnosing a bad third member. Any direction somebody can point me would be very helpful.
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Re: Vibration
[Re: parshal]
#764317
11/12/06 06:37 PM
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Joined: Aug 2003
Posts: 2,311
Forum Moderator
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Well if there is play in the pinion and the nut isn't loose then its a good bet that the bearing is toast. Now if you haven't driven too much on it like this the gears may be salvageable. If you pooch the gears then your deffinately looking at a new pumpkin and probably soon with all that play.
What kind of gears are you running now? What kind to tires and what tires do you want to run? If your looking for better tire to gear ration with bigger tires then maybe this is an opertunity to upgradem, andof course add a locker.
(aka suprathepeg, aka Sean)
89 v6 SWB truck "BLACK BEAUTY" EB valves, P&P head 30 over.
95 FZJ80. Lifted. locked and rollin on 33s (my dream machine)
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Re: Vibration
[Re: Rauch_Off_Road]
#764318
11/12/06 06:42 PM
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Joined: Apr 2006
Posts: 45
OP
Getting the Wheeling Fever
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There's play in the pinion with the nut tight and the pinion is very, very loose with the flange off.
I'm running near stock size tires (235x70x15) and stock gears. This is a daily driver truck and I have no plans to turn it into a rock crawler. It did have 31x10.5x15's on it when I bought it. It had those on it for 20k miles or more so I'm sure that didn't help the truck any.
How do I determine if it's only the pinion bearing that's bad? How do I replace the pinion bearing?
Last edited by parshal; 11/12/06 07:57 PM.
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