Question about Chevrolet Malibu

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JUST WAS TOLD MY ROTORS ARE HVYLY RUSTED AND WORN. ONLY 17500 MILES ON IT. I'M NOT A 'HARD BRAKER' . CAR IS DRIVEN FOR LEISURE AND MOSTLY ON HWAY & INTERSTATE ROADS. Is this a common problem with this model ?

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Hi, Is the rust on the working surface of the rotors ( where the pads make contact ) if so that rust
which usually is from rain will clean off as you use the brakes.
If the rust is on the hub of the rotor or the webbing for the cooling system ( slots built into rotors fof cooling purposes ) These areas get rusty quite early in the life of the rotors and in my experience
will not have any efect on the life of the rotor.
With regards to the rotor being worn, the rotors will have about 1/8th in. or more grove before they need replacing ( this is 1/8th in. grove on inside and outside so the thickness of the rotor is 1/4 in.
thinner than its new size ).
So with the low milege you have done i would say your rotors are fine unless u can see the wear
which i`ve said about
Hope i have been of some help to you
John ( South Wales UK )

Posted on May 23, 2011

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Do rotors wear out before the break pads do? I own a Honda CR-V 2009 and was just told my rotors need machening but I don't need to replace the break pads. Can this be right?



Hi Nancy,

Typically pads need to be changed more than once before rotors needs to be *replaced*. Most shops machine rotors when changing pads to give them a smooth, even surface. Machining removes groves that cut into them as a result of normal wear (or if pads are not replaced promptly). Machining can straighten warped rotors due to excessive heat / quick cooling. These are definitely NOT considered "worn out".

Worn out rotors must be *replaced* if they are too badly damaged, rusted, etc. or if they have been machine so many times that they are too thin to safely brake the car. There are specific guidelines that spell out exactly how thin rotors can be before they must be replaced. Mechanics measure the thickness of the rotor with a micrometer which reveal thicknesses to the 1/1000 of an inch.

I hope this was helpful & good luck!

Nov 20, 2014 | 2009 Honda CR-V

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Premature rear brakerotor failure


I have never had that issue in 50 years of doing brake work

You were given the dealership Dog & Pony Show as always

When you get a new vehicle the brakes are assembled dry at
the factory & rust on the train or car carrier

Like other vehicle parts they have to come apart,rust removed
& lube applied to all sliding surfaces & done at least once a year
on all vehicles

The same thing for spark plugs & trans fluid

30 days after you get it, you pull the plugs to gap them
& put anti-seize on them & change trans fluid to remove
the normal wear of bushings & debris you get when new

Feb 14, 2013 | 2011 Dodge Grand Caravan

1 Answer

My mechanic tells me I need rear brake pads and rotors as a cost of $ 320.00. I have 60000 miles on the car. I can't believe I need brakes so soon with low mileage.


The way in which a car has driven has a very direct impact on how long brake pads will last before they have to be replaced. For example, if you spend most of your time driving long distances on the highway, you're using your brakes much less often than in stop and go urban driving. I have seen cars that need brake jobs every 75,000 miles; I've seen similar cars, with different drivers and different driving routines, go 25,000 miles between brake jobs.

I would not be surprised at all if the front brake pads (and possibly rotors) of your Accord needed to be replaced at 60k miles of typical mixed driving. I am, however, somewhat surprised that your rear brakes need service at this point. The front brakes of a car typically provide much more of a car's stopping power than the rear brakes (it's a physics thing), and so they generally wear much more quickly than the rear brakes. All that said, I recently had to replace the rear brake pads and rotors of a 2002 Passat that had only 51,000 miles on the odometer. This car's pads were worn down to the metal, and one of the rotors was badly scored. Upon speaking with the owner of the car, though, things made slightly more sense. First, the car was equipped with a very active ABS braking system, which decreases front wheel braking and increases rear wheel braking depending on road conditions. As a result, the rear brakes of that car were used much more heavily than in the "average" car. Second, and more obviously, the owner admitted to forgetting to release her parking brake several times before driving off, sometimes going several miles before realizing her mistake. The emergency brake system on most cars engages the rear brakes, and driving off with those brakes still on will put a huge amount of wear on those pads in a very short distance.

One final, distant, thought is that it's possible that your rear calipers have gotten "sticky" and are not fully releasing after they have been engaged. Accumulated moisture on the brake pistons and piston channel walls can leave rust spots that hang up piston travel, leading to this condition. At the same time, it would be unusual for both brakes on the same axle to develop this problem at the same time--this typically happens one brake caliper at a time, and you notice the condition when you car begins pulling to one side when you brake or even after you release your brakes.

May 19, 2011 | 2003 Honda Accord

1 Answer

I have a 2008 hyundai sonata, my problem is that my rims are getting rusty & I would like to know if you can do amything about it. I spoke to the man that just surviced my car for its 15,000 mile check...


i would suspect that an inferior brake pad or rotor has been installed on the car. the metallics come out of cheap brakes, depositing on the rims and on the paint and rusting. also, if the brake or worn, they can be gouging excessive brake material, also depositing on the rims and paint. change your brakes to a quality rotor and a set of ceramic brake pads, should stop the fallout. as for the rust on the rims, if should just be sitting on top, and can be buffed off. good luck!

Apr 21, 2010 | 2008 Hyundai Sonata

2 Answers

2005 gmc 2500 hd needs front rotors at 23,000 miles cause there're rusted out. How do you change?


Its not uncommon for rust to accumulate on rotors. Normally rotors are good for 50,000 miles or more. If they're not warped or severly grooved, the rust won't hurts them.

Aug 16, 2009 | 2005 GMC Sierra 2500HD 4WD

1 Answer

Hyundai Accent 2000 When clutch is depressed gears crunchy.


how many miles have you driven the car sence it came out of storage? you said it sat for 6 years it could be rust on fly wheel or pressure plate, that would make it shift like you said, because the clutch plate is either sticking to the fly wheel or pressure plate. when it shifts hard that means the clutch is not releacing all the way most likely because of the rust. i would just drive it and see if it comes out of it. it shoud not take long maybe 50 to 100 miles more or less. also i would chg. trans oil, setting that long moisture could have got in there, you know what they say about oil and water. also if it has a cable for clutch chk. see if it's hanging up to. setting that long rust becomes a big factor. hope this helps.

Jan 13, 2009 | 2000 Hyundai Accent

1 Answer

2004 Malibu (new style) repeat brake failure


the desind is **** they should put drum in the back the problem with not driving enought the part get rusty the caliper bushing get hard and get stuck pressure on the brake stay on a bit the metal of the rear rotor get fatique it start to rust and when the car stay there not running the rust it the rotor out the worst thing is there nothing you can do about it maybe 1 thing apply the hand brake daily what it does the brake caliper bushing move more by moving there less rust that accumulate on them they stay lub longer hope it FIXYA our problem thank you
PIERRE

Jul 01, 2008 | 2005 Chevrolet Malibu

1 Answer

Honda Odessey 2002 - Rotor brake


Yes, depending on the quality of the rotor, in extreme conditions it can rust out quicker. The brake pad graps the rotor, 'cleaning' it as it stops the vehicle. If the vehicle sits for a long period of time then it is more likely to accumulate rust. If a rotor gets out of balance, (this is what causes your vibration) it needs to be remachined. The rotor can only be machined so many times before it is too thin to use. The rear rotor must be thinner than the front rotor. Since this is a vital part of your brake system, it's money well spent to help insure your safety.

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