While looking underneath a few days ago, I noticed oil on the brake backing plate, so I'm changing t...
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It's gear oil from the inner wheel seal slinging to the inside of the drum, wetting the brake shoes,...
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Some even came out the other way, between the drum & hub.
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With the other tire chocked, I broke the axle sealant & pulled it out.  The axle flange bolts are to...
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This fine ring has to come out first.
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This grips the spindle's threads & notch to keep the key in the nut.
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The square key is in the slot on top.
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The key comes out easily.
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This looks right, but it wouldn't grip.  Either it's the wrong size, or the teeth are mushroomed.
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Rather than fight the spanner, I just used these.  There's only ~13 lb-ft of torque on the nut anywa...
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The ground-down tips of the pliers fit in the round holes, making it easy to spin the nut off.
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Yeah, it's big, but it's not as heavy as it looks.  This is the first hub I've ever seen whose OUTER...
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The lack of oil on the brake mechanisms tells me it hasn't been leaking long.  There's just a light ...
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What a mess!
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Well, THERE'S your problem!
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This usually works, but it only punched through & ripped slots out of this seal.
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This will certainly get it out...
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That may be the toughest seal I've ever pulled.  It has 2 walls, for some reason.
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No scratches on the seal bore.
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Since I didn't have a case of Brakleen, I cut the heavy oil & brake dust with mineral spirits on pap...
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PurplePower & a little elbow grease will take off everything that shouldn't be there.  The scalding ...
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Clean & dry!  That little flash rust is less than would happen on a rainy day, and it also proves th...
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Hylomar stays relatively liquid, but seals fine gaps from oil seepage.  It also acts as a lubricant ...
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My largest seal/bearing driver isn't quite big enough, so I'm using the heavy backing plate of this ...
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That should last.  I'll oil the lip before sliding the hub back onto the spindle.
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Before putting the hub back on, I oiled the seal and every surface it will touch during assembly.
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I didn't ride the oily brakes long enough to damage the shoes - they're coming clean with just a rin...
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Since I don't have the spanner for this nut, I just put it back where it was.  Since I didn't replac...
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This is expensive, but worth it.  The axle flange bolts are torqued to 150 Nm (110 lb-ft).
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You can't even tell I fixed anything!

But before putting the wheels back on, I cleaned all their mo...
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GM TSB 06-03-10-010A 06/09/2010 Wheels - Changing Procedures/Precautions  
  
INFORMATION
Bulletin N...
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