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Old 04-30-2012, 01:20 PM
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hole in diff cover

Drove my truck about 5 miles today and when i parked it I noticed what diff fluid on the ground from where it was parked last nght looked and there was a pinky sized hole in the cover. Anyone ever have that happen or know what would cause that. It drove fine before I noticed. I didn't hear any pops or anything last night when I drove it. Fluid was changed not to long ago. Any input would be nice before i take the cover off tonight.
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Old 04-30-2012, 02:53 PM
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When I changed my diff oil last year my rear cover had big old rust flaked coming off of it. I ran the rust scaler over it and painted it flat black. Yours might be like mine was.
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Old 04-30-2012, 02:55 PM
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hope it's rust

I chunked a gear and split the cover and dif housing ,, but it made a huge pop
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Old 04-30-2012, 03:01 PM
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See I haven't heard a pop but it looked like it was dented at the hole
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Old 04-30-2012, 03:28 PM
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i have seen teeth break off the ring gear and make a hole similar to youre description. good luck. its usually cheapest to find a new rear end complete out of a part out truck
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Old 04-30-2012, 03:32 PM
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That's what I figured. I didn't have time to look around the whole housing so when I get home ill see if there are any more hole anywhere. Are the obs rear axles the same as ours?
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Old 04-30-2012, 04:43 PM
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Quote:
Originally Posted by dentexcoalroller View Post
That's what I figured. I didn't have time to look around the whole housing so when I get home ill see if there are any more hole anywhere. Are the obs rear axles the same as ours?
OBS is 10.25 and SD is 10.5.

Where was the truck parked? My friend had someone drill a hole in his diff cover when he was in the city... parked right in front of the hospital. I would pull the cover before you look into a new axle.

Sent from my C771
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Old 04-30-2012, 05:49 PM
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I took a better look at it at lunch. The hole looks about like a screwdriver busting thru on a rusty spot. I'm hoping rust just gave out on a soft spot. Its not on the ring gear side after all.
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Old 04-30-2012, 10:53 PM
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pulled it apart and one of the spider gears shattered apart. I need it to get around the next few days, anyone know if it is driveable if i clean it all out or will the missing spider gear just cause it to grenade itself?
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Old 05-01-2012, 04:28 AM
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I think the pin has been pulled on the grenade
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