Front brake pads changed 7 months ago and ever since my car squeaks/squeals intermittently when I’m reversing slowly ie. out of car park and using brakes?
Posted by Suspicious_Force_596@reddit | askcarguys | View on Reddit | 8 comments
Hi there,
I’ve had this problem with the brakes making a noise that literally started the week I got them changed 7 months ago. Initially I thought they were bedding in or whatever, but now it’s gone so long. I’ve visited the mechanic three times to try get it fixed, I feel like each time he just lubes them up but the problem is never solved, they squeak again within a few days. Since it only happens intermittently when I’m reversing and using the brakes (ie. down my driveway or out of a car park) should I just cop it? All up the service and brakes cost me $700… should I just accept the squealing? It does say they machined the rotors as well so I know that was done. Could it just be cheap brake pads?? I feel bad since I’ve gone back 3 times. Should I just accept the noise even though it cost that much and I feel it’s not perfect?
Stockholm_Throwaway@reddit
Ask them if they removed the rust by wire wheel on the wheel hub. Then make sure they use silglyde on the brake pad parts.
There is a tool to measure if rotor is rotating correctly but I am guessing they don’t know what to do
Suspicious_Force_596@reddit (OP)
Thank you! Yeah I called again to explain it was still squeaking? but he wasn’t particularly nice this time… so think I’ll just have to cop it and change mechanic then ask if they can check it out elsewhere at my next service
Stockholm_Throwaway@reddit
Look up royalty auto on YouTube and watch any bad rotor videos
CPT_BEEMO@reddit
Is this something that only happens say... first thing in the morning, backing out of your driveway on your way to work?
Suspicious_Force_596@reddit (OP)
I did get asked this, and if it could be condensation but sadly no, it’s in carpark when I back out in the middle of the day also 😬
CPT_BEEMO@reddit
Moisture can be a factor, but not what I was asking. I'm more wanting to know if this was after a long period of the vehicle sitting (overnight). So here's a couple theories
Flash rust - the surface of your rotors are just raw metal. Flash rust develops on the surface overnight, and it takes a few braking applications which can produce noise.
Pad material - if they installed semi-metallic pads, these may also produce noise as the metal in the pad compound results in a different friction coefficient than what was previously installed.
Temperature - when the pads and rotors are not at operating temperature, they will not be performing at their best and may chatter/vibrate and produce a noise.
The tl;dr of it... Is if this is a "first drive of the day but goes away within minutes" type of symptom, I would not be concerned about it.
Busy-Organization942@reddit
I changed mine on my Honda, and it does the exact same thing. Since it doesn't squeal driving forward, I just turn the radio up.
Suspicious_Force_596@reddit (OP)
🤣 this is a great solution