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2002 Toyota 4Runner noises

Tiny
SGLINES
  • MEMBER
  • 2002 TOYOTA 4RUNNER
  • V6
  • AUTOMATIC
  • 135,000 MILES
I hear two strange noises when I'm driving my car. The first noise sounds like a chain dragging.
The second noise occurs when I back up. It sounds like something is scrapping against something else. I did take the vehicle to the Toyota dealer and no there could hear the noise. They did check the brakes and said nothing was wrong. If Toyota can't find the problem who should I take the car too. If you give me a possible name to the problem maybe Toyota can solve the problems. The vehicle is old and drives rougher now than when it was newer.
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Thursday, August 28th, 2014 AT 6:36 PM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Check to see of the backing plate behind the brake rotors is rusted and rubbing against the brake rotor.

Also, does the sound change speed?
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Thursday, August 28th, 2014 AT 7:18 PM
Tiny
SGLINES
  • MEMBER
  • 3 POSTS
I haven't noticed any change of speed. Are you asking about the chain dragging sound or the scrapping sound.
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Friday, August 29th, 2014 AT 4:09 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Is there anything that changes the sound?
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Friday, August 29th, 2014 AT 7:04 PM
Tiny
SGLINES
  • MEMBER
  • 3 POSTS
If I go very, very slow when backing up I don't hear the sound but if I go faster the sound gets louder. Also I think it gets louder if I turn the wheel.
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Saturday, August 30th, 2014 AT 1:59 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
That sounds like a wheel / hub bearing. Have you checked them? Tell me which direction you turn that makes it louder.
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Saturday, August 30th, 2014 AT 7:15 PM
Tiny
SGLINES
  • MEMBER
  • 3 POSTS
I think I'm turning my steering wheel to the right. But I know it was louder when I turned the steering wheel to the left. So the sound occurs when I turn the wheels both ways.
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Sunday, August 31st, 2014 AT 6:41 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
If it gets louder to the left, then check the right front bearing. When you turn left. More of the vehicle's weight is placed on the right wheel which makes a bad bearing louder. If it does it both directions, it sounds like both are bad.
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Monday, September 1st, 2014 AT 7:40 PM

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