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9.5 14 bolt spider gear pin bolt broke, HELP!
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Topic: 9.5 14 bolt spider gear pin bolt broke, HELP! (Read 1627 times)
1989bmw535i
Newbie
Posts: 15
Newbie
9.5 14 bolt spider gear pin bolt broke, HELP!
«
on:
December 05, 2023, 10:26:49 AM »
Well boys I'm in a bit of a predicament, I'm moving from the Portland area to missoula mt this weekend and I'm getting close to getting my 76 k20 road ready, while changing the rear diff fluid I noticed the spider gears are worn pretty bad I don't want to dump a bunch of money into this axle as I have a 14 bolt full floater for the future but I need to drive this out there this weekend, I pulled the bolt out and the majority stayed in the carrier, do you think I can limp it like this? Any help is appreciated!
«
Last Edit: December 05, 2023, 11:53:17 AM by Captkaos
»
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Captkaos
OWNER and Administrator
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Posts: 18382
Re: 9.5 14 bolt spider gear pin bolt broke, HELP!
«
Reply #1 on:
December 05, 2023, 12:00:09 PM »
so you are saying that is threads in there?
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Chris Lucas
73-87chevytrucks
captkaoscustoms
squarebody
Mr. Machanic
Registered Users
Posts: 105
Newbie
Re: 9.5 14 bolt spider gear pin bolt broke, HELP!
«
Reply #2 on:
December 05, 2023, 05:23:09 PM »
I had a L/S rear end let go at about 50 mph in my 02 Taco with 231,K on the clock.
Had just gone over RR tracks (very smooth) and shifted back up to O.D.
I had warnings with increased noise/growling but figured it wouldn't be a catastrophic event.
I figured wrong, about 200yds past the crossing there was a hard bang, bang, bang and the truck went hard left and crossed center, then another bang, bang, bang and she went hard right and onto the shoulder. It sounded like two guys were beating on the tailgate with a sledge hammers.
An hour from home and it had to be trailered back.
I have no idea what let go, I just found a low milage match replacement in California and swapped the entire axle out.
Your results may vary.
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1978 Big 10 "Bigg'in"
350/350 auto.
Cordova Brown Scottsdale
Zero pollution krap.
Suck, Squeeze, Bang, Blow
1989bmw535i
Newbie
Posts: 15
Newbie
Re: 9.5 14 bolt spider gear pin bolt broke, HELP!
«
Reply #3 on:
December 06, 2023, 01:49:05 AM »
Quote from: Captkaos on December 05, 2023, 12:00:09 PM
so you are saying that is threads in there?
Yes, there is a pin on the end of the bolt and the part of the bolt is still in there hence not letting the pin pull out
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bd
Global Moderator
Senior Member
Posts: 6458
Re: 9.5 14 bolt spider gear pin bolt broke, HELP!
«
Reply #4 on:
December 06, 2023, 09:16:35 AM »
With patience, you can center punch and CCW drill (lefthand bit) the center of the broken pin then use an Easy Out to remove it. If you're lucky, the pin will back out while drilling. Service the spider gears, install a new retaining bolt and you're done. It's tedious and character testing, but is the better option.
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Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)
VileZambonie
Global Moderator
Senior Member
Posts: 19032
Re: 9.5 14 bolt spider gear pin bolt broke, HELP!
«
Reply #5 on:
December 06, 2023, 07:04:04 PM »
Just get the tool to remove it. I've used mine 100 times.
https://www.amazon.com/Deluxe-Differential-Pinion-Shaft-Extractor/dp/B007ZS4I3U/ref=asc_df_B007ZS4I3U/?tag=hyprod-20&linkCode=df0&hvadid=309795545161&hvpos=&hvnetw=g&hvrand=923596136183132258&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9003256&hvtargid=pla-569903151723&psc=1&mcid=4fd572df2c6d35ca9c0272b057a77d3c&gclid=EAIaIQobChMI7t-I2JD8ggMVbI3CCB3jsgSyEAQYASABEgJSGvD_BwE
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⌠ŻŻŻŻŻ' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
1989bmw535i
Newbie
Posts: 15
Newbie
Re: 9.5 14 bolt spider gear pin bolt broke, HELP!
«
Reply #6 on:
December 11, 2023, 10:54:47 AM »
Hey sorry for the radio silence, I've been moving. But it made it to Montana! I'll definitely have to try that removal tool. It'll work while it's still in the diff housing?
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VileZambonie
Global Moderator
Senior Member
Posts: 19032
Re: 9.5 14 bolt spider gear pin bolt broke, HELP!
«
Reply #7 on:
December 11, 2023, 05:17:39 PM »
Yep
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/ _ _ _\_
⌠ŻŻŻŻŻ' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
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9.5 14 bolt spider gear pin bolt broke, HELP!