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  #1  
Old 06-26-2009, 10:04 AM
kakerman kakerman is offline
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Default loud howl/whine under hood

During the summer/hot months (last year and this year) my '98 ranger has a loud (LOUD) howling noise after the engine is warm. Mostly stop-go traffic while the motor is under 2000 rpm. If I am at a light at about 750 rpm- loud. I'll rev the motor to about 2000 and it stops or gets quieter. I thought it was the t'mission but not sure?

Thanks for the ideas.
kake
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  #2  
Old 06-26-2009, 11:32 AM
littleblue littleblue is offline
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If its running hot it may be the fan clutch engaging to cool it off.
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  #3  
Old 06-26-2009, 11:49 AM
ck2379 ck2379 is offline
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I had that problem. Check the IAC idle air control valve. I took mine off and cleaned it out and it worked for a little while but then I eventually had to go buy a new one. It costs about 70 bucks.
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Old 07-04-2009, 11:05 PM
rem rem is offline
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Might check the power steering pump. Mine was loud and had to replace it. Smell the oil that will tell you if that's a possible problem.
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Old 07-05-2009, 12:55 PM
timmah timmah is offline
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just clean out the IAC with throttle body cleaner and and a Q-tip, let it soak for 5 mins and the howl will be gone. they tend to get sticky over the years.
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Old 07-06-2009, 07:11 AM
98blownranger 98blownranger is offline
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IAC
also follow the sound you should be able to find it that way
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  #7  
Old 07-10-2009, 05:59 AM
kakerman kakerman is offline
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cleaned the IAC - the howl is gone!!!
thanks for the help!!!!
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