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Author Topic: Checking Brake Pad Wear on K75  (Read 6392 times)

Offline TimTyler

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Checking Brake Pad Wear on K75
« on: March 03, 2013, 04:24:10 PM »
What's a worn brake pad look like when viewed while it's installed? I could not see any wear indicating marks.

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Offline frankenduck

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Re: Checking Brake Pad Wear on K75
« Reply #1 on: March 03, 2013, 04:41:39 PM »
Min spec is 1.5mm.
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Offline TimTyler

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Re: Checking Brake Pad Wear on K75
« Reply #2 on: March 03, 2013, 04:51:05 PM »
Thanks, Duck.

I pulled out one of the pads and I'm good at 4mm.
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Offline frankenduck

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Re: Checking Brake Pad Wear on K75
« Reply #3 on: March 03, 2013, 06:21:07 PM »
In reality it really doesn't matter unless it wears all of the way down to the metal back of the pad and destroys your rotor.
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Once I had a Collie pup. Dug a hole and covered him up. Now I sit there by the hour. Waiting for a Collie-flower.
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Offline Chaos

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Re: Checking Brake Pad Wear on K75
« Reply #4 on: March 03, 2013, 06:33:38 PM »
Sometime when they get around 1mm or so the pad can flake off all at once.  Don't ask
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  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline rbm

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Re: Checking Brake Pad Wear on K75
« Reply #5 on: March 03, 2013, 09:57:59 PM »
My experience is that as the pad material thins,  it tends to squeal more readily.  The back brake on my K75 was making a racket and, when I checked the pads, they were at minimum thickness.  No squeal with the new pads.
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Offline frankenduck

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Re: Checking Brake Pad Wear on K75
« Reply #6 on: March 03, 2013, 10:19:54 PM »
Disc squeal is caused by high frequency vibrations as the caliper pistons vibrate against the backs of the pads. Very easy to cure by spraying this on the backs of the pads:

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Once I had a Collie pup. Dug a hole and covered him up. Now I sit there by the hour. Waiting for a Collie-flower.
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Offline Qdude

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Re: Checking Brake Pad Wear on K75
« Reply #7 on: March 04, 2013, 12:29:04 AM »

I have found that the squealing can be cured by applying a thick layer of grease to the rotors as well.
Stopping then becomes an issue though.
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Offline Mitcam62

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Re: Checking Brake Pad Wear on K75
« Reply #8 on: March 18, 2013, 08:46:12 AM »
Makes for an interesting ride though, no? LOL!

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Mitcam62

Offline Chaos

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Re: Checking Brake Pad Wear on K75
« Reply #9 on: March 19, 2013, 12:23:33 AM »
Apply the grease evenly to both sides or you will stop in circles  :loco:
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  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)
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