95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

A Buzz then a TICK when Braking

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Old Feb 18, 2008 | 02:16 PM
  #1  
hani1400's Avatar
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From: Chicago
Question A Buzz then a TICK when Braking

The subject says it all.

When i break i hear a long Buzz sound then a kinda loudish Tick sound. It's random, not everytime i break.

It sounds like some system kicking in or something but i wonder why it's random, and happens even when i touch the break gently to come to stop so i don't think its the ABS.

It doesnt sound mechanical it sounds more electrical like some system starting up.

Is this normal?

I think i have bad breaks (bad disks) because i just bought it 3 months ago and when i touch the breaks to slow down it pulses.

Thanks
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Old Feb 18, 2008 | 02:42 PM
  #2  
MadCityRich's Avatar
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This is your brake booster system. On 2001 and 2002 models, this system replaced the vacuum booster of earlier versions.

It took me a little while to get used to it. But it is normal functioning.

MadCityRich
'02 4Runner Ltd.
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Old Feb 18, 2008 | 07:27 PM
  #3  
skjos's Avatar
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From: Orting, WA
Welcome to the 2001 - 2002 world of braking - here is another thread discussing the issue, bottom line is that the noise is normal.

https://www.yotatech.com/forums/f2/2...e-issue-77485/

Pulsing during braking would indicate a warp in the rotors, mine does it a little bit, but I'll live with it until it gets a more annoying.
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Old Feb 21, 2008 | 04:43 AM
  #4  
GSGALLANT's Avatar
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From: New Brunswick, Canada
Yep... nothing to worry about. It will do it every 5 or 6 brake pedal pumps. You'll get used to it and learn to ignore the noise.
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