post #16 of Old 09-10-2013, 09:38 PM
Gage56
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Quote:
Originally Posted by DustyGeneral View Post
Taking the belt off will only prove to me that the noise is coming from something belt driven. (Idler, power steering, alt, water). I would much rather replace a $25 water pump than I would a $100+ alternator and have it not be the problem. Especially if I have potential problems with cooling and never a problem electrically.

Ohh no doubt im not saying to Not rule out it being something belt driven at all

Cover all the bases for sure


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post #17 of Old 09-10-2013, 10:12 PM
SPYDERYJ
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I just took the belt off mine and the sound was still there. Now I've somewhat narrowed it down to the rear driver's side of the engine compartment and I'm checking all the vacuum lines to see if there is a crack in one that could be causing it.

1987 YJ with 6" shackle lift on 33x12.50R15's.
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post #18 of Old 09-10-2013, 11:48 PM
Luuca
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Does the throttle body have a spacer installed?

Posted via my pretentious iPhone.

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post #19 of Old 09-10-2013, 11:53 PM
Luuca
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Listened to the audio. My daughter heard it and stated that you "obviously" have a spooky ooky ghost in your motor.

Ya. She's 19. I dunno bout that. I think that it sounds like a throttle body spacer or a gap/missing gasket whistle.

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post #20 of Old 09-11-2013, 08:16 AM Thread Starter
DustyGeneral
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Have the belt off. I get paranoid when doing stuff like this (removing something and starting the jeep when something is missing). But I don't have to tighten the ps back down until I put the belt back on right? It won't hurt anything to start it with the power steering pump loose since it won't work because the belt's off right?
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post #21 of Old 09-11-2013, 08:18 AM Thread Starter
DustyGeneral
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Quote:
Originally Posted by Luuca View Post
Listened to the audio. My daughter heard it and stated that you "obviously" have a spooky ooky ghost in your motor.

Ya. She's 19. I dunno bout that. I think that it sounds like a throttle body spacer or a gap/missing gasket whistle.

Posted via my pretentious iPhone.
Nope no throttle body spacer and no spooky ooky ghost installed either.
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post #22 of Old 09-11-2013, 09:05 AM Thread Starter
DustyGeneral
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Quote:
Originally Posted by Gage56 View Post
100% Sure , my last yj had the same problem i changed the clutch ps pump water pump all the pullys and it still was there i had no reason to think it was the alt because it was charging just fine and then one day just for giggles i got a used one at the JY and switched it out and BAM no more noise


Here is what mine sounds like and if you listen close you can even hear the alt bearings making noise aswell

http://www.youtube.com/watch?v=1FVKN...YeOJnNkuqYmMjA

Well Gage you spoke from experience! Here's what I did:

1. Took the belt off
2. Started and listened. (OMG how I miss that deep purr over the spooky ooky ghost)
3. Turned the alt pulley by hand and boy was she rough.
4. Sprayed some WD-40 on the pulley.
5. Reinstalled the belt.
6. Started it back u and she purred then about 30 sec later the ghost came back, WD-40, 30 sec, WD-40, 30 sec.

SO I am gonna order an alternator (code DOW37 for Advance Auto gets you 35% off orders of $50 or more! SWEET!).
Thanks again everyone for the thoughts and input. So Luuca you can tell your daughter I will be getting rid of the spooky ooky ghost
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post #23 of Old 09-11-2013, 09:28 AM
Que89YJ
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Hey Dusty you might want to look at putting in a Grand Cherokee alternator. The price is close but it buts out almost 40 more amps.
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post #24 of Old 09-11-2013, 12:25 PM Thread Starter
DustyGeneral
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What exactly does that swap entail? Is it a bolt in and wire up or is it gonna require special mods? I will search when I get off of work.
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post #25 of Old 09-11-2013, 12:55 PM
Luuca
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Quote:
Originally Posted by DustyGeneral View Post
Well Gage you spoke from experience! Here's what I did:

1. Took the belt off
2. Started and listened. (OMG how I miss that deep purr over the spooky ooky ghost)
3. Turned the alt pulley by hand and boy was she rough.
4. Sprayed some WD-40 on the pulley.
5. Reinstalled the belt.
6. Started it back u and she purred then about 30 sec later the ghost came back, WD-40, 30 sec, WD-40, 30 sec.

SO I am gonna order an alternator (code DOW37 for Advance Auto gets you 35% off orders of $50 or more! SWEET!).
Thanks again everyone for the thoughts and input. So Luuca you can tell your daughter I will be getting rid of the spooky ooky ghost
Rig up some sort of timed servo that automatically sprays WD40 on the alternator every 30 seconds.

91 YJ "Alice" 2.5L, AX5, 2.5" OME 36Rs, Revolvers, 32" Yoko ATs, 4.10 D30/35 Aussie Lockers F/R Busted Knuckles YJOTM never
05 LJ Rubicon "Ghost"

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post #26 of Old 09-11-2013, 02:34 PM
jokerchief462
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I used to have a high pitched whine when on the trail. Thought maybe transfer case in low range but not so. Threw the wife out and the whining went away.

Sent from underneath my Jeep

89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.

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post #27 of Old 09-11-2013, 02:49 PM
Gage56
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Quote:
Originally Posted by jokerchief462 View Post
I used to have a high pitched whine when on the trail. Thought maybe transfer case in low range but not so. Threw the wife out and the whining went away.

Sent from underneath my Jeep


LMAO

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post #28 of Old 09-11-2013, 08:35 PM Thread Starter
DustyGeneral
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Quote:
Originally Posted by jokerchief462 View Post
I used to have a high pitched whine when on the trail. Thought maybe transfer case in low range but not so. Threw the wife out and the whining went away.

Sent from underneath my Jeep
Niiiiice. So I did a little digging and correct me if I'm wrong but the ZJ-YJ alternator conversion is simply the 90 amp with a 136 amp? Some people have had to grind away at the bracket and/or swap the wires out with better gause and/or run a fuse to the battery. While some others have just plugged it in and gone with it?
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post #29 of Old 09-11-2013, 08:40 PM
Que89YJ
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It's a bolt in for the 91/95
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post #30 of Old 09-12-2013, 02:01 PM Thread Starter
DustyGeneral
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136 amp alternator order. Gonna throw it in tomorrow after work. Let you know if that kills the ghost.
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