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2000 Pontiac Sunfire Rear brakes are making loud grinding noise.


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texisman
New User

Apr 23, 2010, 11:00 AM

Post #1 of 3 (4540 views)
post icon 2000 Pontiac Sunfire Rear brakes are making loud grinding noise. Sign In

Car details: 2000 Pontiac Sunfire - 4 cyl - Front Wheel Drive - Automatic - 200,000+ miles

Hi, whenever I apply the breaks the rear ones are making a very loud grinding noise. What parts will I need to replace, how do I replace them and what tools will I need for the job?

I've replaced front brake pads on vehicles many times but I have never had to deal with rear breaks. Is it as simple as replacing front break pads or is there more involved?

Thanks!


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 23, 2010, 11:19 AM

Post #2 of 3 (4535 views)
Re: 2000 Pontiac Sunfire Rear brakes are making loud grinding noise. Sign In

It's quite a bit more involved and sometimes requires some special tools. UIf you attempt it, make sure you only do one side at a time so you can see how it goes back together. Your going to have to inspect it to know what parts you need. You likely need drums and the wheel cylinders have to be checked for moisture under the dust covers.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



nickwarner
Veteran / Moderator
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Apr 23, 2010, 11:23 AM

Post #3 of 3 (4533 views)
Re: 2000 Pontiac Sunfire Rear brakes are making loud grinding noise. Sign In

you didn't mention whether these are disc or drum. If disc, you change them like the fronts. some require the use of an inexpensive tool called a piston cube to rotate the piston back into the bore. Some don't do this, so you have to look at it. You would need new rotors too since they are ground into dust. If drum,you need shoes, drums and a hardware kit. It contains the springs and such that hold everything in place. Don't reuse the old ones, its inviting trouble. Not a bad idea to change the wheel cylinders too, as they aren't expensive and if they go out later you'll have to replace the shoes all over again from fluid getting on them. If you log on to autozone.com they have free online repair info that can help you through this job. If you've never done drum brakes before its not a bad idea to take a photo of where all the springs go when you pull the drums off. You can look at the other side for guidance, but bear in mind it will be reversed.






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