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Old 06-02-2003, 05:08 PM   #1
twlai
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Member#: 11811
Join Date: Oct 2001
Chapter/Region: NESIC
Vehicle:
2002 09 MiniCooperS
02WRX 08EvoMR (sold)

Default difficulty installing brakepad

There was some noise coming from my front brake,
so I took off the brakepad to inspect it. I still have a lot of
pad left.

When I reinstall the brakepad, it is also impossible to fit
the brakepad back into the caliper. I have to jam the pad
into the caliper forcefully.

I tried the orginal stock pad, and I have the same problem.
I don't remember I need to force it in when I installed it new.
I think the rotor is constantly grinding on the pad because
the pad is not free floating, it may be the reason for the brake noise.

What could have cause it? Anyone has any suggestion?

Thanks.
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Old 06-02-2003, 11:09 PM   #2
ChrisDP
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Join Date: Apr 2001
Chapter/Region: MAIC
Location: Richmond,VA
Vehicle:
'02 WRX SDN 5MT
STS Civic, ITA Integra

Default

Are any of the guide pins bent? is there a lot of debris/dust caked onto them? I'd try cleaning the pins up really well with brake cleaner, then grease them with anti-squeal compound... the pads should slip in pretty easily. I'd just see if the pins have gotten bent in, that might be what's causing your pad to hang. Any chance you could post a picture showing how they're getting hung up when you try to slip them in?

BTW, there's a much easier way to install pads than trying to get them back into the caliper. Take off the two smaller bolts that attach the caliper to the caliper bracket. Then you should just be able to slip the pads into place in the caliper bracket after cleaning+greasing the pins. Push the pistons back into the caliper, then swing the caliper back into place. It should go on pretty easily. Reattach the bolts and you should be good to go.
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Old 06-02-2003, 11:38 PM   #3
mrazntre
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Location: sfVoltron garage in LA
Vehicle:
2003 WRX Sportwagon
MBP

Default

did you reset the pot?
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Old 06-03-2003, 10:40 AM   #4
twlai
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2002 09 MiniCooperS
02WRX 08EvoMR (sold)

Default

Thanks for the help.

I took off the caliper bracket from the car to look at guide pins.
There was some brake dust on them, I cleaned it up and I still
cannot slide the pad in easily. The guide pins doesn't look like that they are bent.

I will try to clean it up again with brake cleaner and grease them
this weekend. I'll post some picture if I still have the problem.

I did not reset the pot, it still goes it if I force the pad into the
caliper braket.


Thanks
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Old 06-03-2003, 11:48 AM   #5
mrazntre
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2003 WRX Sportwagon
MBP

Default

Quote:
Originally posted by twlai
Thanks for the help.

I took off the caliper bracket from the car to look at guide pins.
There was some brake dust on them, I cleaned it up and I still
cannot slide the pad in easily. The guide pins doesn't look like that they are bent.

I will try to clean it up again with brake cleaner and grease them
this weekend. I'll post some picture if I still have the problem.

I did not reset the pot, it still goes it if I force the pad into the
caliper braket.


Thanks
well, if you can force the pad into the caliper bracket, don't you think you'll have more clearance if you reset the piston? which will then allow the pad to free float?
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Old 06-03-2003, 03:35 PM   #6
twlai
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Member#: 11811
Join Date: Oct 2001
Chapter/Region: NESIC
Vehicle:
2002 09 MiniCooperS
02WRX 08EvoMR (sold)

Default

Quote:
Originally posted by mrazntre


well, if you can force the pad into the caliper bracket, don't you think you'll have more clearance if you reset the piston? which will then allow the pad to free float?
The pads do not float freely because of the caliper bracket holding the 2 ends too tight. I inspected the pads, and it became
a trianglar shape.
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Old 06-03-2003, 08:30 PM   #7
mrazntre
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Member#: 30156
Join Date: Nov 2002
Chapter/Region: SCIC
Location: sfVoltron garage in LA
Vehicle:
2003 WRX Sportwagon
MBP

Default

Quote:
Originally posted by twlai


The pads do not float freely because of the caliper bracket holding the 2 ends too tight. I inspected the pads, and it became
a trianglar shape.
oic.
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