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  #1 (permalink)  
Old 03-25-2007, 11:34 PM
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Question Dirty innards crusty rusty how would you clean this .

Well I pulled the axles to check the brakes.

I thought I was going to find metal to metal but to my horror I found this ugly, crusty, rust, musty mess!!

I knew as soon a I broke the 1st Axel bolt it did not smell good but I couldn't I D the smell .

I can say Ive never seen this happen before..


The gears look fine ,
its the axles & tubes that is a mess.

I really don't want to have to pull the ring gear out.

I can't belive it was still in 1 peice ,with the lack of lube in it.

Any suggestions?


Thanks

R
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Old 03-25-2007, 11:50 PM
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Hi Rob
I thought I saw a picture on Ripley's believe it or not of some guys in Florida pulling a 1 ton axle out of a giant alligators stomach, was that the one you have?

That thing is gross.

Hahahhahaha...I'm sorry for laughing.

I think I'd pull the carrier and check the bearings .Water can make little pits that can get big in a hurry. I'd check the pinion bearings as well. If they are good you can always slap them back in. If they are bad well then...... you know.
How did the hub bearings look?

And after all that, the brakes look good.

I'd clean it out with safety solvent of some kind. Maybe citrus cleaner.

Later, mikey
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Old 03-26-2007, 01:47 AM
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Do you off-road or put a boat into the lake? You need to put your axle vent up higher.

You are going to have to field strip that sucker and GI it...
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Old 03-26-2007, 05:21 AM
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Quote:
Originally Posted by KULTULZ

You are going to have to field strip that sucker and GI it...
never driven it

never

Field strip ? ?
{maybe its morning & my brain has not engaged ed ed ed ed ed ed e d e d e d e d . . . ..

sssnnnnooooooorrrreee ~ gack ~hack ~WHAT!

I hate mornings! too bad they are twice as long as the rest of the day!


I been trying to come up with some kind of PIGGY!

You know how they clean out the Alaska pipe line?

A tennis ball is too big.

No I haven't looked at the bearings yet I was too busy PUKING .

Man this thing was soo close to wiping out.


I can pull the carrier with out disturbing any crush sleeves?


Thanks guys



Quote:
And after all that, the brakes look good.

yea I think the R / F was the only one working

Laugh all you want Mikey


R
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Old 03-26-2007, 07:56 AM
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If you pull the carrier and pinion, do you know someone that will come over to set it back up? You could clean it (carrier asm.) in a pan and clean the housing on the truck but I would be concerned about any silt remaining in the carrier (if not pulled). Don't forget the hub bearings and all new seals. Does this thing have clutches? If so, you might as well bite the bullet (and it's being a GM make that a silver bullet ) and have it overhauled.
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Old 03-27-2007, 12:49 AM
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No I have no one that will re install it .

I'm sure a education in rear ends are in the near future.

There was less than a Qt of oil in it ,the fact that is not melted together is amazing!

Either someone grease the hub bearings or the oil turned to grease.

I strongly suspect this tragedy was cause by a slacker of a muffler man! (again)

The tail pipe had burned a hole thru the vent tube allowing dirt & water to get into the housing then causing the vent to plug not letting the unit breathe .

Some moisture was trapped inside while siting for a few years had condensatied & evaporated, with no oil splashing around, the metal got cleaned & the water attacked the bare metal corroding it.

Fortunately is did not effect the moving parts as bad & they seem OK.

I cleaned it out the best I could
I used a 16 lbs magnet over & over.

Then I snakes a rag thru the spider gear with a piece of bailing wire over & over

Then I took a piece of 1/2 PVC pipe & vacuumed it out over & over.

Then I rinsed it out with Diesel {$5. worth} by running some thru the vent tube & spraying it toward the center {for the 1st time}

Then I wiped it out with a rag on a stick
then I rinsed out the ring & pinion until it was clean.

Then I chased everything again with the 16 lbs magnet..


I put 2 small magnets in the bottom of the housing I will post a pix of that tomorrow to see if Y'all approve of their locations

now my last question is what weight of oil to use?

90W or 140W that is what I have in stock Right now & I don't have the $$ to rebuild is right now...

Maybe a bottle of Lucas?

Well if you made it this far thanks for the help.

I still smell like diesel YUK.

#1 rusty crud
#2 total oil removed
#3 diesel leftovers



R
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Old 03-27-2007, 01:03 AM
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Disconnect the driveshaft. Squirt some oil in the front of the case where the pinion bearings live. See if the pinion turns smoothly .
If it turns smooth with a small amount of drag, I'd oil that puppy up and run it. If it is crunchy or has little hard spots or is loose, it's time to undo the ring & pinion and have a look see. There is a torque spec for the bearing drag when assembled. I would look up the spec. ( I may have it at the shop mannannanana ..tomorrow)

What oil is supposed to go in there?

I would use 90 if that's what's called for.

Didn't you have a big collection of those rear ends from your 'Burb?



later, mikey
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Old 03-27-2007, 01:12 AM
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May I say: "YUCK!" Never seen one quite that rusty. Hope you get it going soon.



On a side note: Don't drink the apple juice or the propel fitness water.
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Old 03-27-2007, 05:10 AM
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I traded out all those rears to get this truck!

what a bargine

those were 14 bolts,

where as this is a "heavy duty" {dana} 10 bolt 10.5 ring gear

The shaft is still in & it spins nice I was freaaking out after the Diesel rinse cause you can hear ther bearings moving around but with no oil yea it will be a bit noisy .

I was turning it by hand.


My im gonna substitute that apple juice for my urine sample @ my doctors appointment this morning!


I used to think nothing was worse than the smell of 90W or Burning 90W . . . . . . . . . . . . .

Now I know better


burnt 90W WITH RUST is just FUN FUN FUN....





R
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Old 03-28-2007, 07:35 PM
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well
I cleaned everything as best I could I installed a magnet in the bottom of the case to collect metallic settlement I will keep changeling it until it comes out clean .

My next question is what is the torque specs for the Axel to the hub bolts & the lug nuts I can't find them anywhere.

next I check the tranny I'm afeared it will be like the rear

any way heres some pix

Thanks for all the help!!




R
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Old 03-29-2007, 06:50 PM
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Nice recovery! Looks good to go.

Russ
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Old 03-30-2007, 07:20 AM
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But just like A pretty Woman.

The beauty is only skin deep

I sure hope this thing hold together.

I'm gonna run it a bit & dump the oil out ... maybe a few times.

Roberts mechanical prayer

Hail Mary full of grace, don't let this thing blow up in my face!



R
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