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#4677293 - 02/25/18 07:35 AM How close to Service Limit?
artbuc Offline


Registered: 12/02/05
Posts: 1155
Loc: West Chester, PA
It took a few years of recovery but I finally gave up 3k oil changes. Now I am working on getting more mileage out of my brakes. The service limit on my MDX is 1.6 mm. Akebono says I could go down to 1mm. I am changing front pads this morning which average 3.5mm. I can not ever see myself going below that. In my mind I just donít see the point of trying to squeeze out the last 1-2mm of pad life. How close do you guys get to your service limit before replacing pads?

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#4677299 - 02/25/18 07:39 AM Re: How close to Service Limit? [Re: artbuc]
edwardh1 Offline


Registered: 01/17/03
Posts: 2941
Loc: Coastal South Carolina
most wait for a noise.
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#4677301 - 02/25/18 07:40 AM Re: How close to Service Limit? [Re: artbuc]
Audios Offline


Registered: 11/19/11
Posts: 884
Loc: Lyndhurst NJ
30% or so is my limit, BMW says this is the minimum amount of pad life to provide braking consistent with what OE performance for heat dissipation. If I happen to see something with the brakes that looks questionable, I just replace it. Gives me a chance to upgrade to a better pad or rotor.
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#4677315 - 02/25/18 07:57 AM Re: How close to Service Limit? [Re: artbuc]
fdcg27 Offline


Registered: 09/25/09
Posts: 15693
Loc: OH
I'll usually replace pads as a matter of convenience.
The newer Accord will get new pads at both ends sometime before next winter whether it needs it or not, for example.
I'll wait for a good deal on pads and then do the deed.
OTOH, there is no particular virtue in changing brake pads early. The term "service limit" means exactly that and as long as metal to metal contact is avoided it's all good.
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#4677341 - 02/25/18 08:19 AM Re: How close to Service Limit? [Re: artbuc]
Superflan Offline


Registered: 04/28/15
Posts: 357
Loc: Reunion Island
I replace pads when either:

- less than 1mm compound left, or

- metal-to-metal contact beginning because disc is used too much

In the end, I usually go through 2 entire pads set on the Koleos (2 tons, AT, door to door) before replacing discs (70000km), where as on the Kangoo or Yaris (lightweight, MT) Iíll go through 3 or even pads set before changing discs. The discs on Yaris are from factory, barely used.

Of course, I use only organic.
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#4677344 - 02/25/18 08:21 AM Re: How close to Service Limit? [Re: artbuc]
Cujet Offline


Registered: 02/15/03
Posts: 7146
Loc: Jupiter, Florida
I change rotors and pads at the same time. So I typically run them down to the limit.
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#4677348 - 02/25/18 08:27 AM Re: How close to Service Limit? [Re: artbuc]
SteveSRT8 Online   content


Registered: 10/10/08
Posts: 18953
Loc: Sunny Florida
With our 3500 service vans we run them to the limit, which is generally 1-3 mm of pad. But we will only change rotors when required, and that is rare.

BTW, our oem pads always go well over 100k miles!
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#4677359 - 02/25/18 08:37 AM Re: How close to Service Limit? [Re: artbuc]
eyeofthetiger Offline


Registered: 11/18/17
Posts: 683
Loc: South Carolina
I just did a brake job on a 2010 Malibu that used up over 100% of the brake pad. The caliper piston was doing the braking. It's pretty amazing what people drive.
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2017 Ford Fiesta 1.0T - Valvoline SynPower 5W-20, Motorcraft FL910S
1988 GMC K1500 4.3/700R4 - Supertech 15W-40, Fram TG3980
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#4677362 - 02/25/18 08:39 AM Re: How close to Service Limit? [Re: artbuc]
skyactiv Offline


Registered: 03/02/13
Posts: 4394
Loc: The Midwest
I look at the pads every time I rotate tires. I don't measure, I quit doing that when I quit my job as a mechanic at a Honda dealer.
My VW and my wifes Audi have a sensor built into one of the front brake pads that lights up a warning in the instrument cluster when your pads are worn.
Smart Germans!
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#4677364 - 02/25/18 08:40 AM Re: How close to Service Limit? [Re: eyeofthetiger]
Superflan Offline


Registered: 04/28/15
Posts: 357
Loc: Reunion Island
Originally Posted By: eyeofthetiger
I just did a brake job on a 2010 Malibu that used up over 100% of the brake pad. The caliper piston was doing the braking. It's pretty amazing what people drive.

Amazing that the piston didn't get slightly out of alignment, or even fell off...
_________________________
Yaris 1.0 201mkm 5W40 ACEA A3/B4
Kangoo 1.5 DCi 15W40 ACEA E7
Wife's Koleos 2.0 dCi DPF 6AT eco-map 162mkm 5W40 C3

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#4677392 - 02/25/18 09:11 AM Re: How close to Service Limit? [Re: edwardh1]
zeng Offline


Registered: 09/01/15
Posts: 2188
Loc: Malaysia
Originally Posted By: edwardh1
most wait for a noise.

+1

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#4677403 - 02/25/18 09:22 AM Re: How close to Service Limit? [Re: artbuc]
philipp10 Offline


Registered: 05/09/14
Posts: 1171
Loc: Minnesota
Originally Posted By: artbuc
It took a few years of recovery but I finally gave up 3k oil changes. Now I am working on getting more mileage out of my brakes. The service limit on my MDX is 1.6 mm. Akebono says I could go down to 1mm. I am changing front pads this morning which average 3.5mm. I can not ever see myself going below that. In my mind I just donít see the point of trying to squeeze out the last 1-2mm of pad life. How close do you guys get to your service limit before replacing pads?


I don't see what the big deal is to use up the pad life. You have over 2 mm, thats probably a years worth of driving easily. But then again, if you have the time or the weather is good thats a great time to get it done too.

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#4677425 - 02/25/18 09:52 AM Re: How close to Service Limit? [Re: artbuc]
artbuc Offline


Registered: 12/02/05
Posts: 1155
Loc: West Chester, PA
Yeah, I look at it this way. I will replace the pads one time on this vehicle and makes little diff if I do it now or next year. At my age I am starting to do things early just in case I may not be able to do them later.


Edited by artbuc (02/25/18 09:53 AM)

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#4677444 - 02/25/18 10:11 AM Re: How close to Service Limit? [Re: Superflan]
eyeofthetiger Offline


Registered: 11/18/17
Posts: 683
Loc: South Carolina
Originally Posted By: Superflan
Originally Posted By: eyeofthetiger
I just did a brake job on a 2010 Malibu that used up over 100% of the brake pad. The caliper piston was doing the braking. It's pretty amazing what people drive.

Amazing that the piston didn't get slightly out of alignment, or even fell off...


Oh, the piston fell out when I removed the caliper. The car got got a whole new caliper.
_________________________
2017 Ford Fiesta 1.0T - Valvoline SynPower 5W-20, Motorcraft FL910S
1988 GMC K1500 4.3/700R4 - Supertech 15W-40, Fram TG3980
1986 Ford Ranger 2.0 - uhh

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#4677474 - 02/25/18 10:28 AM Re: How close to Service Limit? [Re: artbuc]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2737
Loc: Wet side WA
I'm surprised we have had any theories on Extend Brake Changes. (EBC) popcorn
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