Toyota 4runner humming noise when off. Today on my way to work i put it in 4h when i was going about 15 mph and it did not engage. Recently it has developed a very strange humming noise. Sometimes it lasts only 2 3 seconds and then quits and once or twice it seemed to last 6 7 seconds.
It is about 35 degrees out. I would take a look at your power steering reservoir and make sure it is topped off. Toyota 4runner wheel bearing replacement.
At about 300 i went back out to start my truck and heard a humming motor sound coming from under truck by gas tank while truck was still off. When i drove in 4wd for about 1 mile the humming and slight vibration i was experiencing stopped. But as i tracked the noise down it was coming from underneath the rear of the 4r above the spare tire.
I first noticed it in february after eating out with my family for a birthday dinner. She asked me what it was. I have a 2006 toyota highlander and it makes a humming sound when i start my vehicle and it did it all the way home.
I have a 2006 toyota highlander making a humming sound. The other night my wife popped her head into the garage to throw something in the recycle bin and heard a buzzing noise. Is there something that could be running at this point so long after i turned it off.
I have an outdoor light timer that makes a faint buzzing noise and thought it was that. When i stopped i tried again and it engaged. So i have noticed on a few occasions not all after pulling into the garage and turning off the engine i hear a buzzing or humming coming from the engine.
Toyota 4runner forum largest 4runner forum toyota 4runner forum 4th gen t4rs weird humming noise. When i push on the gas pedal the sound rises when i let off the gas pedal.
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