Front Brake Squeak When Stopping
#1
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My 350Z has 42K miles on it, I imagine it has original brake pads. Does this car have a wear limit notification sound? When I step on the brake lightly I hear a pretty loud squeak squeak squeak from the right front, it just started doing this recently.
#2
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See if you can get a good look at the pads, most have a depression/groove down the middle. If you cannot see a groove or either pad has less than 3-4 mm of lining it's time for new pads. Gl!
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Kinda hard to diagnose without a picture. Most all modern brake pads include a steel strip that rubs the rotor to alert the operator of wear. My 1st guess would be one or more pads are glazed, since the noise occurs with little pressure. Depending on how much lining is left it's possible to deglaze pads and re-bed them.
See if you can get a good look at the pads, most have a depression/groove down the middle. If you cannot see a groove or either pad has less than 3-4 mm of lining it's time for new pads. Gl!
See if you can get a good look at the pads, most have a depression/groove down the middle. If you cannot see a groove or either pad has less than 3-4 mm of lining it's time for new pads. Gl!
This. ^^
If they're original pads, likely due for a change even if 42k is low. They're at least 12 years old. Heat cycles and environment can take its toll. If you go to the trouble of inspecting them, might as well replace them, turn/replace the rotors if runout is out of spec, check the rest of the system for leakage/wear. Pads are cheap (stock grade anyways), don't scrimp on the number one safety feature of ANY car.
#4
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I will open it up this week. Probably will replace the rotors too even though they look pretty good. Do I need any special tools other than the ordinary stuff? How about any squeak stuff or anything else besides pads and rotors?
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Also, a bit of anti-squeal goop on the back side. A lot of pads come with it. If not, grab a can/tube at the parts store.
Alcohol or Brakleen to clean up the calipers and new rotors.
Simple stuff.
#6
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I pulled the pads on the questionable side tonight, the valley in the middle of the pad is almost gone. Looks like the light medal backing plate on the pad had a tab that was just starting to touch the rotor. I'll order new pads but the rotors like fine so I plan to use them again.
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When you swap out the pads, rub your finger over the edge of the rotors. If it's smooth when you slide your finger, it has life in them. If you feel a lip at the edge, then the material is on it's way out.
Perform your proper break-in bedding, and while you're in there, check your brake fluid level. Based on the pads's information, it's a good chance the fluids may be old. I recall break flush is to be done every 2-3 years.
Perform your proper break-in bedding, and while you're in there, check your brake fluid level. Based on the pads's information, it's a good chance the fluids may be old. I recall break flush is to be done every 2-3 years.
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#9
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Okay, just finished bedding the front pads and rotors, all is good no noise and stops really well. Now I'm going to do the rear pads and rotors. How do you bed the rear pads? I have not pulled it apart but I assume the removal and replacement process is the same as the fronts?
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Okay, just finished bedding the front pads and rotors, all is good no noise and stops really well. Now I'm going to do the rear pads and rotors. How do you bed the rear pads? I have not pulled it apart but I assume the removal and replacement process is the same as the fronts?
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Glad to hear everything worked out for the better.
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