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Look under the left front and left rear (drivers side US). That is where the wire is located for the brake pad. They will break with road debris. I have repaired mine twice now and as of a few days ago, I have to do it again. You can easily check the rotor pad thickness if you can see the rotor. The wire is a thin single one.
Rotors usually have a minimum thickness stamped on or near the rotor hat. It will be a number like "28mm". The rotors should be replaced if they are worn beyond (or almost to) the minimum thickness. You can measure the thickness of each rotor with a caliper or micrometer. If you're concerned that the mechanic is scamming you, ask him to show you the measurements and the minimum thickness ratings of your rotors. Note that the front and rear rotors might have different ratings as well as different levels of wear.
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My car has 44,500 miles on it. Just received the Brake Pad warning light on the dash.
Everything I've read suggests not to replace the rotors (scam by mechanics (usually)).
Does anyone have experience going to an independent shop versus the dealer for this service? The car has been serviced exclusively at the dealer.
Thanks
I have a 2013 A7 with about 58k miles. I recently replaced my rear brakes myself. I did not replace the rotors. I did an inspection of my rotors looking for cracks and grooves. There were no obvious cracks and my rotors were not grooved. Based on that, I did not replace them. I am currently running the Akebono Ceramic Pads EUR1547A. I have less brake dust than the front OE pads and I have no unusual sounds, squeaks or squeals. More than happy to share any additional information. Also, the warning light comes in when the insulation wears off the sensor wire. See image
I called my trusted local Audi dealer. The wanted around $1,100 to replace all rotors and pads.
Took it to a local recommended shop that works with Audis. Akebono pads on all 4 (rotors didn't need replacing) and labor was $360. Went with them and no issues.
Wondering if anyone could help me figure out my issue as cheaply as possible.
My Audi Q5 2010 has 68000 miles on the clock and full and regular service history with Audi Approved service centres.
At 54000 Miles I had the rear break pads and discs replaced at Sydenham.
At 67000 (only 1000 miles ago) I had the front pads and disks replaced at Wimbledon, following a full service.
This evening, driving home, the amber warning light for my brakes appeared on the dashboard.
Reading through this thread, I am not sure how the vehicle requires new front or rear pads after such a small interval. If there was an issue with one of the brake components, such as a corrosion, would this not have been picked up in the engineers report or addressed whilst replacing the brake pads and discs just a few weeks ago?
Any help greatly appreciated as what was a bargain pick up at the time is not bleeding my bank account dry!
Take measurements and establish that the pads and rotors are worn beyond limits or not. You may find that the parts are correct but the system was not reset at the time of the replacement.
Take measurements and establish that the pads and rotors are worn beyond limits or not. You may find that the parts are correct but the system was not reset at the time of the replacement.
thanks so much for the reply. Mysteriously, the wanring lights have now disappeared. Any further thoughts?
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Brake Pad Warning Light
