pinion gear - The 1947 - Present Chevrolet & GMC Truck Message Board Network

truckman32 · 11-25-2004, 10:57 PM

a freind of mine has a 77 chevy 4x4 truck and he was told it needs pinion gear in front axle to make 4 wheel drive work,can somebody tell us how to do this ,thanks

*gn4u2c* · 11-26-2004, 10:03 AM

first off you need to take the front cover off to see what all it needs you will need a ring grear also period. So you need to check the ratio then find a used set of matched gears. Now if you open it up and there is metal all over you will need to dissasemble the whole axel to inspect all the bearings and clean out all the metal. If you find the bearings are shot also, get a master rebuild kit. If you feel you cannot handel the job or set the gears up correctly just buy a complete used axel that is in working order and the ratio matches the other one. should only be about $100.00 for a used one. maybe your best bet. as gears / rebuild kit will run you about $250.00 for the good stuff. percision gear has a chart on there website to show you how to set them up if you go new.
If you have any questions just ask. Be sure to verify the gears in the housing of your old unit and whatever you get. if they do not match its big problems for your 4x4.

11-25-2004, 10:57 PM	#1
truckman32 AND HOLDING ON TO THE C10 Join Date: Jan 2003 Location: MT.STERLING,KY Posts: 390	pinion gear a freind of mine has a 77 chevy 4x4 truck and he was told it needs pinion gear in front axle to make 4 wheel drive work,can somebody tell us how to do this ,thanks __________________ 66 swb/ss chevy c10 SOLD 62 swb/fs chevy c10 :p SOLD 84 swb/fs chevy c10 91 sdime 383/th350

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11-26-2004, 10:03 AM	#2
gn4u2c Account Suspended Join Date: Mar 2003 Location: southern pa Posts: 698	first off you need to take the front cover off to see what all it needs you will need a ring grear also period. So you need to check the ratio then find a used set of matched gears. Now if you open it up and there is metal all over you will need to dissasemble the whole axel to inspect all the bearings and clean out all the metal. If you find the bearings are shot also, get a master rebuild kit. If you feel you cannot handel the job or set the gears up correctly just buy a complete used axel that is in working order and the ratio matches the other one. should only be about $100.00 for a used one. maybe your best bet. as gears / rebuild kit will run you about $250.00 for the good stuff. percision gear has a chart on there website to show you how to set them up if you go new. If you have any questions just ask. Be sure to verify the gears in the housing of your old unit and whatever you get. if they do not match its big problems for your 4x4.



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