I think my distributor is worn out - JeepForum.com

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post #1 of 24 Old 07-04-2011, 06:36 PM Thread Starter
ZeeJay1997
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I think my distributor is worn out

When I grab the shaft and rotate, it has about 1* slop. When I wiggle the top of the shaft, it moves about 1/8".

Replace? What say you?

edit: Everything else has been replace at some time or the other...

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post #2 of 24 Old 07-04-2011, 06:55 PM
zander21510
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Probably wouldnt hurt...notice any performance drops?
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post #3 of 24 Old 07-04-2011, 07:07 PM Thread Starter
ZeeJay1997
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It misses from time to time. No codes lately. It happens more when the PCM would be adjusting the timing slightly, like changing from a slight grade to flat ground or vice versa. I can make it do it by feathering the pedal. That line of thought is what made me check it.
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post #4 of 24 Old 07-04-2011, 07:19 PM
Virmagicus
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Doesn't sound bad to me. A little play is normal for the age.
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post #5 of 24 Old 07-04-2011, 08:39 PM
zander21510
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If I were you, I would try it and see if it fixed the problem, if not, you've eliminated one possibility Check your spark plugs and wires too if its missing. Maybe check timing belt too.
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post #6 of 24 Old 07-04-2011, 09:24 PM Thread Starter
ZeeJay1997
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It has a chain, not a belt, but i get your drift.

FSM says no more than 1/2" slack, but if I get that far, I'm replacing it...

Has anyone ever had a chain make one skip??
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post #7 of 24 Old 07-04-2011, 10:08 PM
zander21510
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lol well i couldnt remember if it was a chain or belt....i loose :P

I suppose a chain can't slip so theres that logic gone lol....maybe its something with the computer.
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post #8 of 24 Old 07-05-2011, 04:40 AM Thread Starter
ZeeJay1997
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Quote:
Originally Posted by zander21510 View Post
you've eliminated one possibility
I have a box full of those
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post #9 of 24 Old 07-05-2011, 05:40 AM
melk
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Rebuilt distrib is like $50 after core :shrug:
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post #10 of 24 Old 07-06-2011, 04:21 AM
coralman
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Zee, I;m not getting the 1" slop part. Mine started squealing like a pig on startup about 8 months ago and it turned out to be the bushings. The jeep was still running OK. Side to side play then was about 1/8. Replaced the dist. and all was groovy. Seems like I read somewhere that cardone is now offering "new" distributors. The last time I checked the dealer one was close to 400.
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post #11 of 24 Old 07-06-2011, 11:12 AM
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Quote:
Originally Posted by ZeeJay1997 View Post
It misses from time to time. No codes lately. It happens more when the PCM would be adjusting the timing slightly, like changing from a slight grade to flat ground or vice versa. I can make it do it by feathering the pedal. That line of thought is what made me check it.
Hmm... got me thinking... (rarity). My ZJ does that at one certain stoplight in my area. There's a really steep downgrade leading up to the stoplight. If I'm on the downgrade and I have to stop for the light, by the end of the light, the ZJ is running like garbage. It doesn't do it every time, but when it does, it's bad. Could that be my distributor? I don't get any codes when it does it and it normally idles a little rough.

97 ZJ - 5.2L, 242, 4" IRO lift w/short arms & adj. TBs, JKS Discos/BPEs, DT3000s, Aussie'd 44A, sliders, bumpers, bunch o' skids, 31" Duratracs on 15x8s
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post #12 of 24 Old 07-06-2011, 05:57 PM Thread Starter
ZeeJay1997
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Quote:
Originally Posted by coralman View Post
Zee, I;m not getting the 1" slop part.
That's one degree rotation, not 1 inch. It makes me think that any given time, the timing could off by up to 1 degree
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post #13 of 24 Old 07-06-2011, 06:01 PM Thread Starter
ZeeJay1997
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Originally Posted by ejschultz View Post
Could that be my distributor?
Doesn't sound a lot like a distro... unless you've eliminated a host of other possibilities. I can't say for sure because you're driving a V8 and I'm a 6 banger type.
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post #14 of 24 Old 07-06-2011, 06:03 PM Thread Starter
ZeeJay1997
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Rebuilt distrib is like $50 after core :shrug:
The money pit is hungry.
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post #15 of 24 Old 07-06-2011, 07:01 PM
ejschultz
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Quote:
Originally Posted by ZeeJay1997 View Post
Doesn't sound a lot like a distro... unless you've eliminated a host of other possibilities. I can't say for sure because you're driving a V8 and I'm a 6 banger type.
I've essentially eliminated nothing. I'm going to swap my plugs. The wires and cap are newer (within a year and a half/20,000 miles). I recently did the "zip tie" fix for the connectors on my ECM and that actually seems to have made a slight difference. I wonder if the connections were coming loose and now they're tight. It's probably the placebo affect... Who knows. I also pulled my transmission and fuel pump relays and cleaned the connectors. I figured it wouldn't hurt while I was in there.

97 ZJ - 5.2L, 242, 4" IRO lift w/short arms & adj. TBs, JKS Discos/BPEs, DT3000s, Aussie'd 44A, sliders, bumpers, bunch o' skids, 31" Duratracs on 15x8s
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