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#1
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Dumb question - brake 'squonk'
Hi all, my '96 SW2 brakes (?) are suddenly giving a short low-pitched
'squonk' right before stop, when I would expect a longer high pitched squeak (I know it's probably time for service). It's pretty loud too, has been since the beginning about a week ago. And I can't tell where it's coming from. My pal suggested this could be some kind of suspension problem or something more serious. Can anybody shed any light on this before I spring for the brake job? Thanks for any help! |
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#2
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Dumb question - brake 'squonk'
How much is left on the pads? Are they equally worn (inner and outer)? What
is the surface condition on the rotors? Often you can make a short term improvement by lightly sanding the rotor faces with a fine grit. When the surface gets glazed, it is more likely to make noises against the pads. You can also apply a Hight temp silicone grease (sparingly) between the back of the pads and the pistons. I use this grease to lube the pad, calliper sliding points to keep things from binding. Makes them pretty quiet too. (Obviously *don't* get grease on any of the friction surfaces) Take a closer look and also check if anything appears loose. the sound you are hearing is a 'stick-slip' between the pad and the rotor. the higher the frequency, the tighter everything is - lower / looser. "Ouroboros_Rex" > wrote in message ... > Hi all, my '96 SW2 brakes (?) are suddenly giving a short low-pitched > 'squonk' right before stop, when I would expect a longer high pitched > squeak (I know it's probably time for service). It's pretty loud too, has > been since the beginning about a week ago. And I can't tell where it's > coming from. > > My pal suggested this could be some kind of suspension problem or > something more serious. Can anybody shed any light on this before I > spring for the brake job? Thanks for any help! > |
#3
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Dumb question - brake 'squonk'
Oppie gave good advice.
The bottom line here is that you need to do a physical inspection to determine the cause of the noise. If the brake pad material is worn down to the backing plate then the sooner you do this the better the chance you can salvage the rotors. Also next time I'd encourage that you post the mileage on the vehicle and the time/miles since the brakes were serviced since this might get you more informed answers. Good luck. Bob "Oppie" > wrote in message .. . > How much is left on the pads? Are they equally worn (inner and outer)? > What is the surface condition on the rotors? > Often you can make a short term improvement by lightly sanding the rotor > faces with a fine grit. When the surface gets glazed, it is more likely to > make noises against the pads. You can also apply a Hight temp silicone > grease (sparingly) between the back of the pads and the pistons. I use > this grease to lube the pad, calliper sliding points to keep things from > binding. Makes them pretty quiet too. (Obviously *don't* get grease on any > of the friction surfaces) > > Take a closer look and also check if anything appears loose. the sound you > are hearing is a 'stick-slip' between the pad and the rotor. the higher > the frequency, the tighter everything is - lower / looser. > > > "Ouroboros_Rex" > wrote in message > ... >> Hi all, my '96 SW2 brakes (?) are suddenly giving a short low-pitched >> 'squonk' right before stop, when I would expect a longer high pitched >> squeak (I know it's probably time for service). It's pretty loud too, >> has been since the beginning about a week ago. And I can't tell where >> it's coming from. >> >> My pal suggested this could be some kind of suspension problem or >> something more serious. Can anybody shed any light on this before I >> spring for the brake job? Thanks for any help! >> > > |
#4
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Dumb question - brake 'squonk'
"Bob Shuman" > wrote in message . .. > Oppie gave good advice. > Why, Thank-you. We Bobs gotta stick together... Oppie (aka Bob Oppenheimer) |
#5
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Dumb question - brake 'squonk'
"Bob Shuman" > wrote in message . .. > Oppie gave good advice. > > The bottom line here is that you need to do a physical inspection to > determine the cause of the noise. If the brake pad material is worn down > to the backing plate then the sooner you do this the better the chance you > can salvage the rotors. > > Also next time I'd encourage that you post the mileage on the vehicle and > the time/miles since the brakes were serviced since this might get you > more informed answers. Thanks, guys, I'll do that next time. The mileage is about 120k, and I bought the vehicle less than a year ago and don't have the service history. When I was trying to identify a noise earlier that turned out to be a tire bump, I got a brake estimate that said I would soon need to replace pads and rotors, so I already knew I probably need service and that was coming up in a couple months. I was trying to find out if I was suddenly in even more trouble of an unknown sort. Thanks again for all your help, I'll be moving the brake work up to ASAP status. -cmb > > Good luck. > > Bob > > > "Oppie" > wrote in message > .. . >> How much is left on the pads? Are they equally worn (inner and outer)? >> What is the surface condition on the rotors? >> Often you can make a short term improvement by lightly sanding the rotor >> faces with a fine grit. When the surface gets glazed, it is more likely >> to make noises against the pads. You can also apply a Hight temp silicone >> grease (sparingly) between the back of the pads and the pistons. I use >> this grease to lube the pad, calliper sliding points to keep things from >> binding. Makes them pretty quiet too. (Obviously *don't* get grease on >> any of the friction surfaces) >> >> Take a closer look and also check if anything appears loose. the sound >> you are hearing is a 'stick-slip' between the pad and the rotor. the >> higher the frequency, the tighter everything is - lower / looser. >> >> >> "Ouroboros_Rex" > wrote in message >> ... >>> Hi all, my '96 SW2 brakes (?) are suddenly giving a short low-pitched >>> 'squonk' right before stop, when I would expect a longer high pitched >>> squeak (I know it's probably time for service). It's pretty loud too, >>> has been since the beginning about a week ago. And I can't tell where >>> it's coming from. >>> >>> My pal suggested this could be some kind of suspension problem or >>> something more serious. Can anybody shed any light on this before I >>> spring for the brake job? Thanks for any help! >>> >> >> > > |
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