Putting this rear end in 58 chevy truck, replaced seals and bearings inside pumpkin and when i turn the gears they tend to stick in one place. all the gear teeth are in great shape. how loosly should this turn by hand and can it be adjusted?
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Re: 81 chevy 308 rear end gear problems
The carrier should turn easily and not stick. you may want to try reversing the shims that are on the outside of the bearing races on the ends of the carrier. If that doesn't work you will need to get some other shims to try.......you can also grind the shim down a bit to get it the right size (if you got the parts used you are best off to keep the shims with the ring gear they were originally installed with.) If you have any more probs or need more help post a comment here and i will get back to you. Good Luck!
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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 have to pull the cover off the rear end and let the fluid drain. Then there is a single small bolt that holds a pin in for the spider gears. You must remove the bolt, pin and spider gears. Then take the wheel and brake drum off the side you want to change. Once thats off you can push the axle in and a clip should fall off the axle inside the carrier. Then you can pull the axle out exposing the seal and bearing you need to change. Just use a seal pulling tool to pull the old seal out and the bearing is under that. It is pressed in so it can be hard to get out. Lots of times they have to be cut out. To put the new bearing back in just use a hammer and socket that is close to the size of the outter edge of the bearing. If you put the bearing in the freezer overnight it will go in a lot easier. Then tap a new seal in and put everything back together and refill the rear end with GL5 put the posi additive in if you have a posi trac rear end. Hope this helps good luck.
if the seal (s) is leaking you may have a bad bearing... to change.. remove the rear end cover, reach in pull the c clip on left or rt side. pull the axel out the side, use bearing puller to pull the old bearing, install new replacement bearing seal, put in axel, replace clip, reinstall rear cover, sealing properly, fill with rear gear lube to level of fill hole. get a chiltons manual for pictures and more detailed help.
A pinion seal leaks for one or boyh of these reasons. A worn pinion bearing or a driveshaft vibration, Sounds as though you have both. Do not confuse tire howl with gear howl, be sure.The rear end can run 3 to 500.00 if not more. Ck the gear oil in the rearend for metal content. That will tell you alot. The hard shifting is generally from a sticky spool in the trans valve body. Have the trans serviced w/new oil and filter. The new oil often cleans the moving parts of gum and varnish buildup.in the valve body. One more thing, the rear ends take a special oil and additive if it's a limited slip or posi lock. You will have a popping/binding noise when turning if the wrong lube is install. Have your driveshaft aligned and balanced at at driveshaft shop.or you will end up tearing up the tailshaft on the trans. Good Luck
Sounds like one of two things is happening
1). the spider gears are binding
2). the ring gear is binding on the pinion
Check the pinion gear bolt for tightness first, then check for excessive end play. Make sure you have the correct fluid for your rear end type (limited slip takes one type, semi-posi takes another type and even sometimes reguires an additive) Hope this helps.
if you haven't takin the pumpkin cover of do so and there is a retaining clip for each axle on the end of them inside the pumpkinto get to them in non possy you have to take a pin out of the differential once you do tha take the clips off and turn one of the axles and the spider gears just fall out