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Noticed an issue over week ago when the car (2016 model, FWD) felt like the rear passenger side was dragging and lead to vibrations in the cabin. I inspected both rear caliper and these were my findings:
1. Checked both rotors and discovered the the rear passenger side was stuck and would not rotate. I opened the bleeder and it then rotated, though not completely freely. The same test was done on the rear driver side and that had no issue.
2. I suspected this meant either the caliper or the brake hose but just to ensure I did a thorough check I inspected the caliper slide pins, cleaned them as well as the boot to ensure they moved freely. This was when I noticed that the slide pin with the rubber boot at the tip would not move without a significant amount of force. I inspected it but it was not swollen and did not appear torn. I couldn't see any defect at all but no matter what I tried, once I slid it in it remained at the position that I left it. It would not move up or down
So now I'm not sure whether the slide pin is the culprit or is it the brake hose as the initial test points to. If it is the pin, is it really as easy as just replacing the boot (assuming I can find one that fits).
Also a side note...can anyone confirm whether the slide pins on the left and right side should be the same length? When I compared both slide pins (the ones with the rubber boot) I noticed that the pins were not exactly the same. Even the rubber boot on the pins is different. On the driver side the pin boot is slightly longer than the one with the issue. I've never changed these before so this seemed odd to me.
1. Checked both rotors and discovered the the rear passenger side was stuck and would not rotate. I opened the bleeder and it then rotated, though not completely freely. The same test was done on the rear driver side and that had no issue.
2. I suspected this meant either the caliper or the brake hose but just to ensure I did a thorough check I inspected the caliper slide pins, cleaned them as well as the boot to ensure they moved freely. This was when I noticed that the slide pin with the rubber boot at the tip would not move without a significant amount of force. I inspected it but it was not swollen and did not appear torn. I couldn't see any defect at all but no matter what I tried, once I slid it in it remained at the position that I left it. It would not move up or down
So now I'm not sure whether the slide pin is the culprit or is it the brake hose as the initial test points to. If it is the pin, is it really as easy as just replacing the boot (assuming I can find one that fits).
Also a side note...can anyone confirm whether the slide pins on the left and right side should be the same length? When I compared both slide pins (the ones with the rubber boot) I noticed that the pins were not exactly the same. Even the rubber boot on the pins is different. On the driver side the pin boot is slightly longer than the one with the issue. I've never changed these before so this seemed odd to me.