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I hear a rattling sound coming from the passengers side of my car when I drive

Tiny
MWATTERSON
  • MEMBER
  • 2007 HUMMER H3
  • 5 CYL
  • AWD
  • AUTOMATIC
  • 66,129 MILES
Does any one have any ideas and how it fix it. The rattle sounds like it is coming from the passengers side seat.
Monday, February 6th, 2012 AT 3:32 AM

9 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Make sure the nuts that secure the seat rails to the floor are tight.
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Monday, February 6th, 2012 AT 3:50 AM
Tiny
MWATTERSON
  • MEMBER
  • 40 POSTS
I tightened the nuts to the rail. It did not work. Is there a way to tighten the seat back? Thank you
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Monday, February 6th, 2012 AT 3:58 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Front seat or rear? The rear seat seat back is bolted at the bottom. You'll need to remove the bottom.

The front seat back pivot points may be able to be tightened. I don't have one handy to look.
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Monday, February 6th, 2012 AT 4:11 AM
Tiny
MWATTERSON
  • MEMBER
  • 40 POSTS
It is the front seat
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Monday, February 6th, 2012 AT 4:14 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
See image
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Monday, February 6th, 2012 AT 4:27 AM
Tiny
RAZAMAN
  • MEMBER
  • 1 POST
Sadly enough it may be your ball bearing on the front right wheel if you feel the vibration on the floor or the gas/brake pedal.
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Friday, March 23rd, 2012 AT 2:35 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
I'm guessing the sound goes away when somebody sits in the passenger seat.
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Friday, March 23rd, 2012 AT 2:42 AM
Tiny
MWATTERSON
  • MEMBER
  • 40 POSTS
Yes the sound does go away when someone sits in th seat!
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Friday, March 23rd, 2012 AT 5:38 AM
Tiny
KEVIN10SKIDOO
  • MEMBER
  • 1 POST
The Rattle on my 2007 Hummer H3, that sounded like it was behind the glove box, was vibrating at lower engine speed. Turns out my heater hose was laying against the transmission dipstick causing the heater core to vibrate inside the car. So I just bent the dipstick forward about a half inch and it fixed the noise. I was a piece of cake.
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Tuesday, October 8th, 2019 AT 7:21 PM

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