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Distributor shaft removal?

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Old Feb 11, 2016 | 04:40 PM
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Default Distributor shaft removal?

Ok so now the tach drive gear on my distributor is bad and is need of replacement.. What is the trick to getting the bad shaft out? The distributor that I am using at this time is an old dual point distributor. Yes there are better choices and I also have the original TI system on the self. But I really just want to learn how to rebuild a distributor as part of the experience of owning an old ride..... Getting the shaft out seems to be the toughest part for me at this point. I don't want to do anything too stupid to damage the housing or anything usable..... thx...r
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Old Feb 11, 2016 | 05:48 PM
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Originally Posted by Shalom
Ok so now the tach drive gear on my distributor is bad and is need of replacement.. What is the trick to getting the bad shaft out? The distributor that I am using at this time is an old dual point distributor. Yes there are better choices and I also have the original TI system on the self. But I really just want to learn how to rebuild a distributor as part of the experience of owning an old ride..... Getting the shaft out seems to be the toughest part for me at this point. I don't want to do anything too stupid to damage the housing or anything usable..... thx...r
The main shaft is held in place by a roll pin through the distributor drive gear. Drive that pin out and the main shaft should pull out from the top.
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Old Feb 11, 2016 | 06:08 PM
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Originally Posted by Hammerhead Fred
The main shaft is held in place by a roll pin through the distributor drive gear. Drive that pin out and the main shaft should pull out from the top.
Yes.. I have the bottom gear off. But the shaft will not just pull out. Do I use any force like tapping it with a hammer? Because it seems as if the tach drive gear is hitting what I am going to call the shaft housing bushing at the top?
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Old Feb 11, 2016 | 06:39 PM
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Pull the tach gear out. It threads in. You need to get this out first.
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Old Feb 11, 2016 | 06:44 PM
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Originally Posted by Shalom
Yes.. I have the bottom gear off. But the shaft will not just pull out. Do I use any force like tapping it with a hammer? Because it seems as if the tach drive gear is hitting what I am going to call the shaft housing bushing at the top?
You need to remove the fitting and the cross gear for your tach drive.

AND...it may take a bit of pulling effort to get the shaft to come out. In most cases for me...they can take a bit of effort. So I will turn/rotate the shaft while pulling it. Eventually it will come out. BUT..that is also AFTER I felt the bottom of the shaft where the gear was pinned in place and feel for any burrs on the shaft.

ALSO...just a HEADS-UP. If you are replacing a main shaft on a distributor that you just removed from an engine that was running. And you KNOW where the rotor was pointing. WELL..when you remove the gear off of the distributor. YOU MUST take very special attention on how it comes off....and its position!!!!! BECAUSE...you can easily spin the gear 180 degrees and pin it in place....BUT WHEN you go to put the distributor back in...the rotor will NOT be in the same location. SO...pay attention!

DUB
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Old Feb 11, 2016 | 07:02 PM
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Sorry for causing some of the confusion to my questions as I know my definitions may not be correct. I have the tach gear for the cable out. The tach gear that I am talking about is the top gear on the shaft it self. The top gear on the shaft is hitting what I call the the bushing at the top of the distributor as I am try to pull the shaft out of the top unless the shaft pulls out the bottom which means I need to remove a few more items from the top of the shaft? Getting closer guys thanks for putting up with my novice explanation...
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Old Feb 11, 2016 | 07:22 PM
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Originally Posted by Shalom
Sorry for causing some of the confusion to my questions as I know my definitions may not be correct. I have the tach gear for the cable out. The tach gear that I am talking about is the top gear on the shaft it self. The top gear on the shaft is hitting what I call the the bushing at the top of the distributor as I am try to pull the shaft out of the top unless the shaft pulls out the bottom which means I need to remove a few more items from the top of the shaft? Getting closer guys thanks for putting up with my novice explanation...
I seriously doubt that the gear on the main shaft is causing the problem...I would BET that it is either the end of the shaft where the roll pin was installed...or built up crud on the main shaft that is getting bound up on a bushing when you are trying to pull it out.

I have had many main shafts be really hard to get out. I will often times apply 50/50 mix of acetone and automatic transmission fluid from the bottom and spin the shaft and also from the top and also through the hole in the side of the main housing of the distributor to get things to free up.

DUB
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Old Feb 11, 2016 | 07:49 PM
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Originally Posted by DUB
I seriously doubt that the gear on the main shaft is causing the problem...I would BET that it is either the end of the shaft where the roll pin was installed...or built up crud on the main shaft that is getting bound up on a bushing when you are trying to pull it out.

I have had many main shafts be really hard to get out. I will often times apply 50/50 mix of acetone and automatic transmission fluid from the bottom and spin the shaft and also from the top and also through the hole in the side of the main housing of the distributor to get things to free up.

DUB
Thanks Guys, I will give this a shot and see if it will come out.....
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Old Feb 11, 2016 | 07:52 PM
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It's been a long time since I rebuilt a distributor, but there is a thin clip that holds the grease cup cover in place. I can't remember if that would prevent the shaft from being withdrawn.
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Old Feb 12, 2016 | 04:27 AM
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Did you say dual point? I had one of them from a 59 vette. Or is it an aftermarket distributor? You could try asking in the C1 forum if it is a Delco. T
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Old Feb 12, 2016 | 06:38 AM
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Have a look here

https://www.corvetteforum.com/forums...ourney-27.html

I have pictures from when I rebuilt mine, may help.
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Old Feb 12, 2016 | 11:52 AM
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try tapping the bottom of the mainshaft with a brass hammer as you twist the top of the shaft
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Last edited by redvetracr; Feb 12, 2016 at 11:52 AM.
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Old Feb 12, 2016 | 12:06 PM
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Thanks guys again I just needed to be a little more aggressive and it came right out because of my lack of experience I was concerned about damaging something but its all good now thanks a lot... Any advice... I'm putting it back together any tricks that I need to make sure I do correctly

Last edited by C3s4me; Feb 12, 2016 at 06:03 PM.
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Old Feb 12, 2016 | 05:41 PM
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Originally Posted by redvetracr
try tapping the bottom of the mainshaft with a brass hammer as you twist the top of the shaft
RVR - now that's 19 Delco units that make neophytes like me, have restoration dreams of inventory overload.

Awesome.
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Old Feb 12, 2016 | 06:04 PM
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Originally Posted by redvetracr
try tapping the bottom of the mainshaft with a brass hammer as you twist the top of the shaft
Dang... Looks like about 20k sitting on that table?
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