greasy brakes on 97 Suburban???
I checked the rear brakes of the 97 Suburban and was surprised to find grease on the friction surfaces:
http://i196.photobucket.com/albums/a...s/IMG_3564.jpg http://i196.photobucket.com/albums/a...s/IMG_3566.jpg How does grease get to the pads? The wheel cylinder has some grime but it doesn't look like a major leak. The axle seal looks intact as well: http://i196.photobucket.com/albums/a...s/IMG_3565.jpg Wouldn't there be more of a mess if brake or diff fluid were leaking into the drum? What the heck is going on? [edit] The other side is fine. Thanks, Sixto 87 300D |
Looks to be a 2500 series suburban rear end there. Go ahead and replace the hub seals and axle gaskets...............Easy enough to do on those cause their full floating....dont have to break open the hog...my .02 based on 25yrs in gm dealers
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I agree-hub seals are shot
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Is there life in them thar pads or do I have to replace them?
Sixto 87 300D |
As cheap as drum pads are, replace them.
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Surely someone didn't put the grease there to cause harm. :eek:
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I never trusted Shirley.
Sixto 87 300D |
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odd that the brake internals are dry, and only the shoes are wet... I'd clean EVERYTHING and look for the source of the grease.
I've heard of idiots greasing the brakes before... it's possible. |
My technical guide is an alldatadiy.com subscription. It describes 10-1/2" and 11" ring gear full floating axles. I have a 14-bolt, v-bottom LSD with 3.73 gears. Does that identify which rear axle I have? Most diagrams suggest 10-1/2" but it's not absolute.
alldatadiy says to remove the axle then remove the hub. It describes a nut that requires a special tool. Does the nut hold the hub to the axle housing or does it only set bearing preload? If the nut doesn't attach to the axle housing, what keeps the floating axle, wheel and all attached to the housing? Thanks, Sixto 87 300D |
Remove the axle bolts, slide axle out, you will then see a hairpin retainer clip (note orientation of clip to "keeper"), remove clip, remove "keeper" with magnet, remove locking nut that retains hub to axle.....
Does not require any special tools. Typically i can tear one down with a "pocket screwdriver" after removing axle. If you can do front rotors on an older model car with packable brgs; this is no different. You do run the pre-load on the loose side though, its using 90wt not wheel brg grease. Also like I stated previously..ALWAYS run it with the wheels off the ground for a bit prior to dropping it off the jacks. Also dunk the brgs in 90wt prior to reassembly, although i've seen some pack them with brg grease. Super easy.......dont stress it! |
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