Squarebody Differentials.

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WFO

Full Access Member
Joined
Jan 6, 2017
Posts
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Location
Texas Panhandle
First Name
Dan
Truck Year
1986
Truck Model
K20
Engine Size
350
Sorry, I forgot to post back to this thread.
After pulling the cover off the Corporate 10 Bolt, the vent hole was nowhere to be found.
It's to the driver's side of the pumpkin, probably just past the axle tube.
The only opening into the carrier area is a casted in triangle shaped hole that points forward.
So no chance of catching any shavings from tapping.

Originally, I thought the vent was plastic, but it just had a bunch of black goop all over a steel vent.
I managed to get it out by grabbing it with Vice Grips, and prying under the Vice Grips with a screwdriver. Took some doing.
Welded the tube back onto the part that presses in, put some RTV around the ring shanks and drove it in.

I don't see how it could've broke from just a hose hooked to it.
I'm thinking it was broke when the previous owner swapped engines, and he probably tried some kind of black glue.

I'd still like to find a new vent though.
 

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