Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [disk-brakes]

34 questions
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Brake discs and pads are corroded; do they need replacement?

I've taken my Ford Ranger to the garage for a health check test. The car has 2 years and 25k miles. Apparently there is corrosion on the inside part of the front discs. This affects the brake pads too. The thickness of the discs and pads is great,…
Cristian
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Do extremely rusty disc brake rotors/pads need to be replaced?

Toyota Prius that has been outdoors and not driven for 2 years has extremely rusty disc brake rotors. Sorry, I don't have any current photos or access to the vehicle. The rotors and pads were satisfactory (normal levels of rust on the rotors)…
Amazon Dies In Darkness
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Brake caliper leak while pushing piston back

I'm a bit worried about my front brake calipers on my MX5 MK1. I was replacing the front brake pads, and I had to push the caliper piston back in order to fit with the new pads. I used a C clamp to gently push the piston back, but after a few mm…
Alimba
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Is it normal for rust to appear on brake disks within a couple of days of buying a new car?

I bought a Mustang Mach-E two days ago. Been very happy with it, except it rained last night and today the brake disks are covered in rust on all four wheels. We do live near a salt water bay, but my VW Atlas, which is parked right next to it, has…
Aaron
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What thread lock is appropriate for caliper bracket bolts?

I drive a 2003 Ford Ranger with front disc brakes. About two years ago I replaced the rotors and pads and am sure I used a thread lock during assembly (and torqued to spec). The other day when I was applied the brakes on a freeway offramp I the…
STW
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Brake slide pin keeps pushing itself out

I drive a 1998 Honda Civic Ex. Lately I’ve been getting a pulsating noise from my passenger side tire during very slow speed braking (like approaching a stop sign) I had only a couple months back serviced my brakes, cleaning pad ears/brackets,…
ohmmy
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Motorcycle: Annoying brake disc rubbing. Can't understand why

My bike is two months old. After about 1000 km's. I noticed rubbing on front disks. I think the left one making all sound. And the worse, this rubbing shaking handlebar after about 95 kmph and all vehicle after about 120 kmph. It is not a constant…
gkonuralp
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Should the seals and pistons in a new caliper be flush with the caliper body?

I bought a remanned front brake caliper from advance auto parts and the seals and pistons are out about 3/8 inch. Should the seals and pistons be flush with the caliper body? [I'm inclined to say YES! The new rotors and pads are thick and the…
Julian Cienfuegos
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Can I replace drum brakes with disc brakes?

I have a Honda Civic with drum brakes that are giving me trouble. I'm considering switching to disc brakes, but I know it involves a lot of upgrades and modifications. Is it a good idea by doing so, or will it affect my car functions by changing its…
Vain Diesel Jr
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Why would shallow brake pads cause valleys & ridges (grooving) in disc brake rotors?

In one of Paulster2's helpful answers, he mentions: Usually when the brake pads get shallow, they start digging into the rotor and will cause all kinds of valleys and ridges. They may be large or small, but you'll definitely start seeing relief on…
Amazon Dies In Darkness
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Return springs for front disk brakes

I'm replacing the front disk brake pads on a 1997 Nissan Wingroad. The service manual shows 2 return springs (similar to those in the attached photo below) for each set of brake pads but when removing the old pads there were none present. As the…
jrcollins
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Brake disc corrosion - do they really need to be replaced?

I've been told by an authorised Mercedes service engineer that all 4 discs and all 4 pads need changing on my Mercedes GLC 43. It's just over 2 years old with 30k miles on the clock, so I am pretty surprised about this! They sent me this video of…
user62470
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Vehicle Steering wobbles during light braking

I recently bought a used Honda Civic. When i bought the vehicle, the tyres were literally bald, the steering used to wobble a lot when driving at higher speeds and braking. Due to this, I got the tyres changed and the wheels inspected for bends.…
kumarD
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How can I prevent hub and rotor rusting together?

I've got a 2013 BMW 335i with M-Sport options. It prompted this question but the issue (and probably the solutions) are not unique to it. Like many such vehicles, the rear brakes are part drum, part disc. Specifically, the rotor is shaped like a…
Edward
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I own a Ford Focus 2.0 tdci mk2 facelift model. Nearside rear wheel making strange noise

I've just had both rear wheels brake pads and discs along with a rear offside caliper replaced. The mechanics kept my car for 5 days and I picked her up last night just before I went to work. I drove home the following morning and as I slowed down…
Concerned driver
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