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  #1  
Old 11-27-2011, 11:59 AM
bdtaylor1979 bdtaylor1979 is offline
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Default Whistle/whine

Wasn't sure what section to put this in and did a search and didn't come up with much so.....

My truck has developed a whine/whistle lately and I'm not sure what it is. Sometimes it sounds like its coming from the front, sometimes the middle and sometimes the rear of the truck. So I don't don't know if its my stock airbox since I removed the silencer, or maybe the transmission or maybe the resonating tips I put on my dual exaust. Any ideas?
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Old 11-27-2011, 12:02 PM
pooleo pooleo is offline
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Default Re: Whistle/whine

Im still a believer in the plastic intake as the problem. Like when you blow over a pop bottle. All of my trucks have done it. It stopped on my 97 when I changed out the plastic intake for an aluminum one.....thats an extreme move to get away from it
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  #3  
Old 11-27-2011, 12:22 PM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

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Originally Posted by pooleo View Post
Im still a believer in the plastic intake as the problem. Like when you blow over a pop bottle. All of my trucks have done it. It stopped on my 97 when I changed out the plastic intake for an aluminum one.....thats an extreme move to get away from it
Are you talking about the intake that sits on top of the engine, not the airbox or intake? If so, mine has an aluminum intake, I think it was one of the last year models before they switched to the plastic intakes.
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Old 11-27-2011, 12:27 PM
pooleo pooleo is offline
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Default Re: Whistle/whine

yeah im talking about the engine intake. Thought you had plastic not sure then
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A Gladiator does not fear death. He embraces it. Caresses it. Fucks it. Each time he enters the arena, he slips his c0ck in the mouth of the beast, and prays to thrust home before the jaws snap shut. - Oenomaus
Ball Joints/Upper A-Arms How To
Replace Door pin/bushing
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VIDEO OHC Install
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  #5  
Old 11-27-2011, 12:30 PM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

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Originally Posted by pooleo View Post
yeah im talking about the engine intake. Thought you had plastic not sure then
Ok, just thought I would make sure. Thanks
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  #6  
Old 11-27-2011, 02:16 PM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

I did some checking and it sounds almost like its coming from the back of the engine. I stuck a long screw driver on top of the cam sync and the other end to my ear and could hear a whirring sound, I did that a bunch of times and sometimes it sounded louder than others, not sure if it was the angle of the screw driver or if its supposed to sound like that or if thats the sound i'm hearing or what. I heard the same sound but quieter when I stuck the screw driver up to the iac, I cleaned the iac not too long ago.
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Last edited by bdtaylor1979; 11-27-2011 at 02:24 PM.
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  #7  
Old 11-28-2011, 06:47 AM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

Bump
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  #8  
Old 11-28-2011, 12:57 PM
JGiddy JGiddy is offline
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Default Re: Whistle/whine

Quote:
Originally Posted by pooleo View Post
Im still a believer in the plastic intake as the problem. Like when you blow over a pop bottle. All of my trucks have done it. It stopped on my 97 when I changed out the plastic intake for an aluminum one.....thats an extreme move to get away from it


I have the plastic intake manifold and have no such noise
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  #9  
Old 11-28-2011, 05:29 PM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

I heard the sound again today when I got off work so I did some more listening and checking. I put the tip of a screw driver in the alternator and the other end to my ear and could hear the whistling sound really well, could the alternator be going bad?
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  #10  
Old 11-28-2011, 07:48 PM
SomeGuy SomeGuy is offline
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Default Re: Whistle/whine

3.0's are known for chewing up cam syc's. Id check that causes a whine from back of the engine, Front of engine all my alternators have whined, and they all tested good, i think its just normal, also an old belt can cause that a whining too. I get a whining comeing from my AC compressor, which i have had in both of my rangers. Honestly i would change the belt (20-30 bucks) and check to make sure your cam sync is in 1 peice.
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  #11  
Old 11-30-2011, 06:09 PM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

Quote:
Originally Posted by SomeGuy View Post
3.0's are known for chewing up cam syc's. Id check that causes a whine from back of the engine, Front of engine all my alternators have whined, and they all tested good, i think its just normal, also an old belt can cause that a whining too. I get a whining comeing from my AC compressor, which i have had in both of my rangers. Honestly i would change the belt (20-30 bucks) and check to make sure your cam sync is in 1 peice.
Ok, I checked the cps and the cam sync lastnight. The cps had some minor rust and the top of the cam sync had some as well. Cleaned the rust and took the cam sync out. Didn't notice any excessive wear or noises while turning it by hand.
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  #12  
Old 12-03-2011, 01:25 PM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

Bump
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  #13  
Old 12-11-2011, 04:12 PM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

I took my belt off today and I could still hear the sound. Not sure what it is. May half to take it somewhere to see if someone else can figure it out
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  #14  
Old 12-12-2011, 06:50 AM
bdtaylor1979 bdtaylor1979 is offline
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Default Re: Whistle/whine

Bump
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  #15  
Old 12-14-2011, 07:35 PM
Mr Jeff Mr Jeff is offline
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Default Re: Whistle/whine

Does it happen when you do something specific or just all the time?
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