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We recently had an H3 come into our shop with an unusual problem with the brake pads. In this video, we discuss the importance of using OEM-matched aftermarket brake pads.
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When we pulled the brake pads off the H3, we noticed the brake pads were riding higher than the rotor. In other words, part of the puck extended above the pad-swept area of the rotor. This caused a lip to form on top of the puck as the pad wore down over time.
At first, we weren't sure what caused this. At first, we thought it might be an issue with the caliper pins. As the pins wear down, it can cause the pads to move up and down on a fixed caliper. However, the pins looked ok on inspection.
Next, we checked the caliper itself for any malfunctions. Once again, everything checked out ok. As another step, we checked to make sure the correct rotor was installed previously, which it was.
Finally, when we pulled out a set of Raybestos pads to perform the brake job, we noticed what the problem was.
The pads previously on the vehicle were not OEM matched. The OE pad has a small gap between the puck and the top of the backing plate. The pad on the vehicle did not have the gap. This caused part of the puck to ride on top of the rotor, causing the lip to form over time.
This is a great example of why it's important to buy your brake parts from a reputable aftermarket company. Quality aftermarket manufacturers take the time to research and match their parts to OE specifications.
18 сен 2019
