1991 chevy silverado 1500 2-wd leaking oil seals, rear end.

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Remove the rear axle cover
Remove the carrier bolt & pin
Push the axles in
Remove the C-Clips
Pull the Axles
R & R the housing end seals

Virtually none. If you have significant crankshaft end play, and you are not leaking oil, don't worry about it. If you are leaking oil from the rear main seal or from the pulley seal, consider rebuilding or replacing your engine before it seizes.
Recommendation: DRIVE IT 'TIL IT DIES. Replacement engines for your vehicle are abundant and not particularly expensive.

they come out the same way you just need to fight with the clips a little harder

Replacing axle seals requires removing the differential cover,removing the spur gear bolt/shaft,removing the C clip,then sliding the axle out.You will have to press the bearing off of the axle to remove the seal,which usually will break the bearing(might as well replace it anyway on an '85).Removing and replacing the bearing should be done with a shop press.

To replace pinon bearing you need to pull wheels and the brake drums off next pull cover off the back of the rear end (make sure you have a drain pan under rear end) next turn dive shaft till you see a small bolt remove bolt pull center pin out push axle in pull c clips out pull axels out remove four bolts holding ring and spider gears remove gears assembly next remove drive shaft remove bolt from pinon push pinon in remove seal and bearing

You want to know how to remove the axle correct ? There are clips inside the rear carrier that hole the axles from running out . You need to remove the the bolts on the back of the rear carrier but make sure that you can get the fill plug out first so you can put oil back in it . The clips come out like nothing you can do it with your fingers you need to replace the seals and look at the axle shaft and condution of the bearings replace as required also check to see if the vent is clear on the carrier the oil is heavy and expands alot this will blow the axle seals . The older it is the more likely it is that you need axle s or bearings but you will need new seals if you remove the axles

you need a might new hub internal bearing wiped out the seal goes and grease escapes and then bearing goes check for oil around both left and right hubs or check axle oil level and oil around housing

well if the axle is leaking you dont need to adjust the shims, it needs a new seal. pull the brakes off open the rear diff there will be a c lip holding the axle in, remove the c lip pull the axle repalce the seal on the end of the axle tube, put it all back together and you done

First check level of oil in rear end housing, if low, pull drums & see if any axle seals are leaking.
If you want info on doing axle bearings, get back to us.

Where's it leakin?