Rear brake job on a 2018 - TerrainForum.net: GMC Terrain Forum
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post #1 of 13 (permalink) Old 05-08-2019, 08:02 PM Thread Starter
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Rear brake job on a 2018

Something is going on with my rear brakes. Its like something is digging into the rotors. Possibly stones caught between the pads? Either way i need pads and rotors on both sides at 12000 miles. Anyone do a brake job yet? I am worried about the electric parking brake.
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post #2 of 13 (permalink) Old 05-09-2019, 08:08 AM
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It shouldn't be any different than any other brakes. However you might need the tool to actually screw in the piston unlike the old days of pushing it back in. I think before you do it you go to the dealer and have them take a look. They might fix it under warranty. If both sides are doing it, I would think that is extremely rare for both to have stone/rock stuck in them. Unless you drive in area that has a lot of gravel around.
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post #3 of 13 (permalink) Old 05-09-2019, 11:11 AM
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with 12,000 miles... and BOTH sides doing it, Its hard to imagine rocks got stuck on both.

Id take it in. No way pads should need replacing at 12K.


On our 2003 Trailblazer, I did once cross a small stream- and afterwards had a grinding sound-
Yeah, there was a rock between the caliper and rotor. Removed it- and all was well.





150,000 on my Traverse and im still on the factory rear pads.
85,000 on the Equinox and still on the factory rear pads.
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post #4 of 13 (permalink) Old 05-09-2019, 06:33 PM
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If you aren't comfortable doing them yourself for any reason, go to a professional. These are your brakes, there is nothing more important.

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post #5 of 13 (permalink) Old 05-09-2019, 09:27 PM Thread Starter
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It's not a big deal only the wife drives it
Just kidding
Yeah i bought a new vehicle so i wouldn't have to do brake jobs.
It has 3 deep concentric circles on one side and 2 on the other side. That would be 5 rocks. So maybe rocks is unlikely.
I will see what the dealer says.
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post #6 of 13 (permalink) Old 07-25-2019, 03:13 PM Thread Starter
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Just to let everyone know the dealer turned my rotors.
Not the fix i wanted but it was the only thing gm would pay for.
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post #7 of 13 (permalink) Old 07-25-2019, 08:19 PM
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Nothing wrong with turned rotors; they had to finish within specifications in order to complete it. Just means you caught it early enough that turning was possible. Anymore, rotors are typically replaced along with pads rather than turning them. They aren't as thick as they used to be and wear so they are borderline for turning and still have usable thickness for service. Make sure when tires are rotated that lug nuts are torqued to spec; can result in warped rotors.

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post #8 of 13 (permalink) Old 07-27-2019, 10:01 PM
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Just a heads up to anyone doing rear brakes on calipers with electronic parking brake motors, you will need to put the vehicle into brake service mode, if you don't then you will ruin the electric brake motor when you go to push the piston in, those calipers are expensive to replace, once in brake service mode you should not have to use the special tool that spins the piston in, it should just push straight in, and it should push in very easily, when you're done you will have to take the vehicle out of brake service mode
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post #9 of 13 (permalink) Old 07-28-2019, 06:17 AM
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Quote:
Originally Posted by Awakeatground0 View Post
Just a heads up to anyone doing rear brakes on calipers with electronic parking brake motors, you will need to put the vehicle into brake service mode, if you don't then you will ruin the electric brake motor when you go to push the piston in, those calipers are expensive to replace, once in brake service mode you should not have to use the special tool that spins the piston in, it should just push straight in, and it should push in very easily, when you're done you will have to take the vehicle out of brake service mode

Good to know .. Just had the Dealership do the Brake Pads at 40,000 and they still looked good for another 20,000 but on my limited retirement income wanted it done while can afford it a little better .. Doubt will have to do anything now to the Brakes for at least another 50,000 Miles if I'm still around ..

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post #10 of 13 (permalink) Old 07-28-2019, 07:57 AM
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Quote:
Originally Posted by Awakeatground0 View Post
Just a heads up to anyone doing rear brakes on calipers with electronic parking brake motors, you will need to put the vehicle into brake service mode, if you don't then you will ruin the electric brake motor when you go to push the piston in, those calipers are expensive to replace, once in brake service mode you should not have to use the special tool that spins the piston in, it should just push straight in, and it should push in very easily, when you're done you will have to take the vehicle out of brake service mode
This is something a DIYer can do ... from a menu on the screen ... or is it done right at the motor?

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