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Jul 21st, 2025 | | | | Joined: Dec 2006 Posts: 97 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2006 Posts: 97 | What would cause a disturber gear to brake teeth off ,never hurt the cam and its not locked up can turn with your hand ..could it have got in a bind some way ? . | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | took a bit to think you mean distributor gear - maybe the distributor not fully down?
Bill | | | | | Joined: Dec 2006 Posts: 97 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2006 Posts: 97 | Yes sorry about that that could be because the guy that did the motor could have not got it fully down ...what happen it got a knock in the motor that was thought to be a lose bolt on the flywheel so out comes the transmission (auto ) ever thing is okay so he pulls the motor and puts bearings in the bottom end and rings no more knock it runs good for hundred miles are so the takes out some teeth off the distributor ...one guy said the bushing had bound up ...but as i said you can turn the shaft with your hand ...so i am not sure what the cause was ,just put a new gear on and see what happen i guess ... | | | | | Joined: Feb 2006 Posts: 1,867 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 1,867 | Just curious, what engine are we talking about?
Jeff | | | | | Joined: Dec 2006 Posts: 97 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2006 Posts: 97 | Talking about a 1988 4.3 v 6 | | | | | Joined: Apr 2010 Posts: 283 Shop Shark | | Shop Shark Joined: Apr 2010 Posts: 283 | The hardest work a distributor drive does is power the oil pump and a high pressure or high volume pump can cause a well used gear to fail.
Inspect your old gear to see if the teeth are generally thinned---they won't usually be stripped all the way around.If they are thinned you will find the cam gear worn also and a new gear will likely not last very long.
On these engines the distributor not being all way down is NOT a very likely situation because the hold down clamp pulls it into mesh with the pump drive shaft.
Exactly the same as small block v-8
Bob Taylor
| | | | | Joined: Dec 2006 Posts: 97 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2006 Posts: 97 | Well i think that must the cause will look at the cam gear again ...Years i i had a 283 out of my 65 Chevy and it all bolted back in and put the disturber back in and it fell in i looked down the hold and i had left the shaft out of the oil pump !!! | | |
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