9 inch rear diff
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New User
Joined: Aug 2009
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9 inch rear diff
I have a 68 f100 i recently have been replacing the spider gear in a 9 inch 10 bolt 3rd member my old gears were all gone and when replacing the new ones had no movement is this normal or did I do something wrong Im new to doing any rearend work and have nothing to go off of please help dont want to ruin my new gears thanks
Senior User
Joined: Jan 2013
Posts: 479
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From: Kingston, Pa. 18704
Setting up a 9" rear it's not for a beginner. It takes special tools and knowledge to set up correctly.
I have no idea what you are trying to explain by your post.
Explain what you did better, what the problem is and post some pics. Just saying that something doesn't move doesn't mean anything.
That's like saying you rebuilt the engine and now there is this noise.......
Comprende?
I have no idea what you are trying to explain by your post.
Explain what you did better, what the problem is and post some pics. Just saying that something doesn't move doesn't mean anything.
That's like saying you rebuilt the engine and now there is this noise.......
Comprende?
Posting Guru
Joined: Jul 2011
Posts: 1,650
Likes: 16
From: DFW Texas
1. Its called a ring and pinion
2. You need to check backlash and adjust to the correct specification. Meaning; the correct amount of meshing of the gear teeth between the ring gear and the pinion gear.
2. You need to check backlash and adjust to the correct specification. Meaning; the correct amount of meshing of the gear teeth between the ring gear and the pinion gear.
Senior User
Joined: Jan 2013
Posts: 479
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From: Kingston, Pa. 18704
Like I said: not enough info for us to help.
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All I have done was replace the spider and side gears they have no play is that normal haven't set my backlash yet I do know there are tools I need for that, just didn't have anything to base what the side and spider gears were supposed to be set wether play was needed or if they need to be in one position my original gears had all but 3 teeth broke
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