Need info on 72 Spindle nut?
Thread Starter
Drifting
Joined: Jan 2001
Posts: 1,347
Likes: 4
From: Slidell La
Need info on 72 Spindle nut?
Working on 72 corvette. Pulled front brakes and having a problem with both spindle nuts. They were replaced before I bought car.
It appears the threads on the spindle need to be chased and it might be 20 TPI. Does anyone know exactly what size the die in diameter and threads / inch are for this car. Working with son, it is his car.
What we are doing is a brake job but the spindle nut is just too tight to get a feel for the bearing play and runout checks.
So if anyone can help with size here and where to buy it would be most appreciated.
vettdvr
It appears the threads on the spindle need to be chased and it might be 20 TPI. Does anyone know exactly what size the die in diameter and threads / inch are for this car. Working with son, it is his car.
What we are doing is a brake job but the spindle nut is just too tight to get a feel for the bearing play and runout checks.
So if anyone can help with size here and where to buy it would be most appreciated.
vettdvr
Thread Starter
Drifting
Joined: Jan 2001
Posts: 1,347
Likes: 4
From: Slidell La
I found a die made in England sold through snap on that is sold as spindle chasing die. Only problem is getting their website to work.
Forwarded the data to son for him to work the problem. It's his car. Mean while I am going after the 3rd oil pressure sending unit on my C5.. UGH.
Race Director
Joined: Jul 2001
Posts: 15,892
Likes: 42
This is a strange one. While I've never heard of bad threads on a spindle or nut and can't imagine them being that way since day one, setting front wheel bearing clearance is not dependant on applying torque any way. Once clearance is at 'zero' the nut is backed off to the first available cotter pin slot.
I've seen many that have a 'notchy' feeling from the castellated nut but nothing that required any sort of muscle.
I've seen many that have a 'notchy' feeling from the castellated nut but nothing that required any sort of muscle.
Thread Starter
Drifting
Joined: Jan 2001
Posts: 1,347
Likes: 4
From: Slidell La
This is a strange one. While I've never heard of bad threads on a spindle or nut and can't imagine them being that way since day one, setting front wheel bearing clearance is not dependant on applying torque any way. Once clearance is at 'zero' the nut is backed off to the first available cotter pin slot.
I've seen many that have a 'notchy' feeling from the castellated nut but nothing that required any sort of muscle.
I've seen many that have a 'notchy' feeling from the castellated nut but nothing that required any sort of muscle.
Drifting
Joined: Jul 1999
Posts: 1,542
Likes: 43
From: Plano TX
In situations like this I usually take a fine hacksaw blade and chase the thread at an angle on both sides of the thread. I then use a small triangle shaped file for final clean up.
Sounds like someone use the wrong thread nut or got it crossed threaded prior to your purchase.
Sounds like someone use the wrong thread nut or got it crossed threaded prior to your purchase.
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Race Director
Joined: Jul 2001
Posts: 15,892
Likes: 42
You are right. But the threads make it difficult to bring the nut up smooth. Normally I finger tighten the nut while turning the hub and then back off to key slot. But this nut is tight and must be turned with wrench. It will go up but difficult to get the 'zero' point feel.
