Swishing sound
#1
Thread Starter
Swishing sound
I have an 01 with 27k.
1. swishing sound on each rotation of the wheel
2. Seems to originate in the area of the rear/driver side wheel/brake area
3. Very noticable between 10-20 mph
4. Changes little whether in or out of gear
5. slightly louder with gentle application of gas
I have completely dismantled the brake and found no debris.
With the car on jack stands and running in gear, I'm unable to hear the noise.
With the wheel off and hand rotating system produces no sound.
Can anyone make some suggestions on this one.
TIA, Cal
1. swishing sound on each rotation of the wheel
2. Seems to originate in the area of the rear/driver side wheel/brake area
3. Very noticable between 10-20 mph
4. Changes little whether in or out of gear
5. slightly louder with gentle application of gas
I have completely dismantled the brake and found no debris.
With the car on jack stands and running in gear, I'm unable to hear the noise.
With the wheel off and hand rotating system produces no sound.
Can anyone make some suggestions on this one.
TIA, Cal
#2
Thread Starter
Update-
Back up on the jackstands, I rotated the wheels by hand. I can clearly hear, though
much softer, the swish sound at the same point of each rotation for about 20% of the
rotation on the driver's side only.
Cal
Back up on the jackstands, I rotated the wheels by hand. I can clearly hear, though
much softer, the swish sound at the same point of each rotation for about 20% of the
rotation on the driver's side only.
Cal
#3
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Maybe its the rear brake pads just partly touching the rotor?
Does it become more then 20% when you slightly engage the parking brake?
(1 click at a time...)
Or a balancing weight?
Does it become more then 20% when you slightly engage the parking brake?
(1 click at a time...)
Or a balancing weight?
#4
Originally Posted by SpitfireS,Jul 29 2006, 03:39 PM
Maybe its the rear brake pads just partly touching the rotor?
Does it become more then 20% when you slightly engage the parking brake?
(1 click at a time...)
Or a balancing weight?
Does it become more then 20% when you slightly engage the parking brake?
(1 click at a time...)
Or a balancing weight?
You have an '01 car. Have you re-torqued the axle nut to the newly revised 221 lb/ft? This will also help your wheel bearings live long and prosper.
#5
Thread Starter
Okay, I just tried the ebrake application one click at a time. The swish increased
slightly both in loudness and duration.
If it's a brake problem, would you say a warped rotor? Very unusual but I have attended
10 HPDEs this year with OEM rotors and Cobalt pads.
Cal
slightly both in loudness and duration.
If it's a brake problem, would you say a warped rotor? Very unusual but I have attended
10 HPDEs this year with OEM rotors and Cobalt pads.
Cal
#6
Originally Posted by xviper,Jul 29 2006, 03:20 PM
I concur with this. If it's a slight brake rub, applying the brakes a little bit will change the sound. If it doesn't change the sound, it's not likely brakes. It could be wheel bearing.
You have an '01 car. Have you re-torqued the axle nut to the newly revised 221 lb/ft? This will also help your wheel bearings live long and prosper.
You have an '01 car. Have you re-torqued the axle nut to the newly revised 221 lb/ft? This will also help your wheel bearings live long and prosper.
Is there a guide on how to do this?
#7
Originally Posted by Thnks2u,Jul 29 2006, 06:37 PM
Okay, I just tried the ebrake application one click at a time. The swish increased
slightly both in loudness and duration.
If it's a brake problem, would you say a warped rotor? Very unusual but I have attended
10 HPDEs this year with OEM rotors and Cobalt pads.
Cal
slightly both in loudness and duration.
If it's a brake problem, would you say a warped rotor? Very unusual but I have attended
10 HPDEs this year with OEM rotors and Cobalt pads.
Cal
Pretty much every brake pad will slightly touch the rotor and you will hear a friction noise. The fact that yours is rhythmic may mean a slightly warped rotor but it may not be anything to worry about. Whenever I have my wheels off and I manual turn the rotor, I always get a friction sound of the pads rubbing up against the rotor. It's normal. However, since we can't hear what you hear, it's impossible to say whether or not yours is normal. I would suggest you check the runout on each rotor to see if they are within spec.
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#8
Originally Posted by jert534,Jul 29 2006, 07:08 PM
I bought a USED 00 and Im not sure if the previous owner did this...
Is there a guide on how to do this?
Is there a guide on how to do this?
https://www.s2ki.com/forums/index.php?showt...dpost&p=8212787
Your dealer should be able to do this for you for free if you still are under warranty.
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