Transmissions and Drivetrain Need help with your trans? Problems with your axle?

9 bolt axle play

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Old 09-26-2016, 01:35 AM
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Car: 1987 Camaro Z28
Engine: 5.0 LG4
Transmission: 5 speed
Axle/Gears: 3.27 9 Bolt
9 bolt axle play

Hi,
I recently finished swapping in a 9 bolt into my z28. I went though it and got a better carrier that had good cones and reassembled it and installed the rear to my car. on my first drive on every bump I noticed clunking sound came from the rear. I determined that the sound was from the driver side inner brake pad being loose when I don't have any pressure on the brakes it would bounce around. When I was sitting there trying to figure out why the pad was like this I noticed that the axle has a little play being pushed in and out. its not a huge amount of play but enough that I can tell the axle is moving alittle. I will have the caliper off next weekend and i will check the axle retaining bolts to see if they backed off at all. But is this normal? should I have any play in and out?
Old 09-26-2016, 02:38 AM
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Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: 9 bolt axle play

quantify how much play you had, with a machinist rule you can easily eyeball how much it roughly is
Old 09-26-2016, 05:41 AM
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Car: 92 camaro convertible z28
Engine: 305 TPI
Transmission: Swapped from 700R4 to T5
Axle/Gears: Stock Posi. Ratio is not known
Re: 9 bolt axle play

I hope this helps.
https://www.thirdgen.org/forums/transmissions-drivetrain/727226-someone-eliminated-clunking-sound.html
Old 09-26-2016, 07:04 AM
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Re: 9 bolt axle play

A 9 bolt axle should have very little or no end play. Did you install new bearings and seals on them?
Old 09-26-2016, 09:24 AM
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Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: 9 bolt axle play

The fine thread nuts on the tab type studs never come loose so the retainer plate should be tight. Thats all that holds the axle in. The conical bearing runs in the race (thats also a tight slip fit into the housing) with the bearing and collar on all the way there should indeed be next to no play. Unless the bearing is trashed
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