Question about 2001 Isuzu Rodeo

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Engine whine - loud inside truck

I recently purchased an '01 Rodeo DOHC V6, automatic with 160k miles.

Whenever I have my foot on the gas (even in neutral) there is a loud whine that seems to be coming from the engine compartment to the left of or directly behind the steering column. When my foot is off the gas the noise stops. The noise is quite loud inside and more noticeable with the windows closed (even at a standstill).

Standing outside the truck with the hood open, the engine on, in neutral and revving the motor, you can barely hear the sound and it's impossible to tell where it's coming from.

Suggestions?

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  • ITSaZOO Nov 03, 2008

    It happens whether or not the fan is running.

  • adlooper Feb 03, 2009

    Just bought a 2001 Rodeo with the I4 DOHC auto trans. Same loud whine. Sounds to me like timing gears or alternator ? Anyone know if these have a timing belt or steel gears?

  • Anonymous Mar 28, 2014

    there is a loud whining sound under the motor on start-up and while in traffic with foot off gas pedal what is going on?

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Does this appear to happen when the fan is going? Try having your fan belt checked.

Posted on Nov 03, 2008

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Is the metal protector of manifull. bend a little. its near of O2 sensor.
try.

Posted on Feb 17, 2009

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