Brake Replacement Information - Cadillac XLR Forum: XLR and XLR-V Forums
 
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post #1 of 15 (permalink) Old 06-17-2008, 01:22 PM Thread Starter
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Brake Replacement Information

Well it's been a fairly expensive week.

I just put new tires on my XLR and decided to go to the dealer to have the car aligned and the oil service and GM Safety Check done.

All of the jobs were done perfectly.

I also had them check the brakes and here's what they discovered:

The right rear caliper was sticking--some sediment or something BUT it caused the rear pads to stick and the rear one to wear down almost to the pad backing. So the pads had to be replaced.

NOW here's the news that is really interesting--When you replace the brake pads on our XLR's and XLR-V's you need to also replace the rotors. The cost for all four about $1,000!!!!!

Also, it seems that the average mileage before replacement is about 20k -30k miles.

There are those cars --and we have read some of these complaints on this site-- that have experienced problems with pulsating brakes. Well it seems that the rotor replacement is mandatory-- and some servicers have been only replacing the pads. Imagine that!!!

Current Owners--If you are having problems this is a starting point.

Prospective XLR and XLR-V Purchasers--If you are considering the purchase of a used vechicle I would strongly recommend reviewing the service history of the car you are consdering to determine if these components have been replaced along with the tires. The combined expense for these items --tires and brakes is about $2,500 which could increase your total vechicle purchase cost considerably.

Used Car Warranty's-- It is my understanding that if the brakes and tires are within "tolerances" they will not be replaced as part of any warranty program. So you could go 5-7k miles and then run into this expense.

As always, please feel free to add any comments to this post that will help the forum members.



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post #2 of 15 (permalink) Old 06-17-2008, 06:35 PM
 
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XLR brake rotors do not need to be replaced as long as they are within thickness spec., they can be serviced like any other brake rotor. Brake pads usually last around 30,000 miles,like most cars.

Bruce
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post #3 of 15 (permalink) Old 06-17-2008, 10:39 PM
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Gotta love it. Jerry goes in and places his "X" in the hands of his dealer, only to be fed a line of bullcrap (according to Bruce who services said "x's" for a living). And let's be clear; we trust you and believe your feedback Bruce - no offense intended.


As I have said before, Cadillac needs to step up and begin policing their dealer network, since not all of us want to wait until the annual trek to BG for "factory support".
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post #4 of 15 (permalink) Old 06-18-2008, 06:12 AM
 
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I'm going by the XLRs that I have serviced since '03. The only ones I have had that have gone through brake pads before 20,000 have been the ones with 22"-24" wheels and a lot of city driving and the rotors were able to be machined.

Bruce
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post #5 of 15 (permalink) Old 06-18-2008, 08:21 AM
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I've had brake jobs on other cars and they have replaced the rotors. But the cost of machining the rotors was almost a wash to the cost of new rotors. Are the cost of the rotors for our X's that much more than any other car? If so,,, the next question is, why they cost so much more? (Let me guess, Cadilliac tax).

Chad
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post #6 of 15 (permalink) Old 06-18-2008, 08:47 AM
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I've also had to replace rotors, however I've never done so on the first pad swap. Most people do not change them soon enough, creating a situation where re-surfacing takes them below thickness specs as Bruce points out. Luckily, there are several aftermarket options that are cheaper (and a whole lot better) than the price Jerry was quoted.
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post #7 of 15 (permalink) Old 06-18-2008, 10:54 AM Thread Starter
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Yea, I guess the ultimate decision is what the dealer and the customer feel comfortable with.

In looking at the rotors I saw the "cupping/wear that the pads create as they wear down--More on the rear rotors than the front. Of course the front brake assemblies are larger on the standard XLR's than the rear.

My mileage is 32-33k miles.

The rotors were from AC DELCO and are (Bruce) the new ones that are painted gray to minimize rust I guess--until the pads rub the finish away.

I understand that pad/rotor repacement process has been standard on most all foreign cars for several years now as it is with Corvettes. I'm just old school--a couple of pads kits and an hour or so and you're "good to go" another round.

As far as my dealer goes---they are honest and I do trust them!!!

However it would seem that if the pad wear indicators were doing their job and the owner (me) was diligent you could get away with a pad replacement for the first round.

In my case, the rears seemed to wear far more than the fronts did which seems to be because of the right rear pad sticking and possibly staying engaged with the rotor more than it should. That cost me a right rear rotor and set of pads. since I am one of those that replaces everything on the other side at the same time, the cost of the rear replacements is all my responsibility.

I will say this, the car rides and stops like a new one--as it should.

Now with all of the software updated, an oil service and alignment and this maintenance done I should be able to go at least another year or so.

IT'S FAR LESS EXPENSIVE THAN A NEW ONE!!



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post #8 of 15 (permalink) Old 06-18-2008, 12:00 PM
 
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Machined Rotors at Local Shop

I started to get pulsating brake at 23,000 miles on my 04. The brake pads were all in good shape. A local shop here in Huntsville AL charged $145 to machine all four rotors. They were all well within allowable machine tolerance. Problem solved.
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post #9 of 15 (permalink) Old 06-18-2008, 01:54 PM
 
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I am putting new brakes on my 05. and AutoZone and AdvanceAuto cannot get me front rotors for the X. However the OEM Parts.com folks can get me the OEM for cheaper than the after market part - and they have it in stock ready to ship. Just under $220 after shipping for both front rotors. Pads on the other hand are available from Autozone for 1/3rd the cost of OEM.

My intention is to do the breaks myself with replacing the rotors and I can get them turned for $8 a pop on base at the auto hobby shop. Once turned I will hang on to them for when the ones on the car start to vibrate and then I will swap them out again and have the spare set turned and standing by.
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post #10 of 15 (permalink) Old 06-18-2008, 02:40 PM
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Something to check with your dealer - I had pulsating brakes on my DTS and the were replaced under warranty by Cadilac. I went muck longer than I would have with the problem if I had know it was a warranty repair. Evidently my dealer saw the pulsation as a warranty issue. Worth checking into if you have this problem.
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post #11 of 15 (permalink) Old 06-18-2008, 03:22 PM
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Quote:
Originally Posted by XLR I FL View Post
Well it's been a fairly expensive week.

I just put new tires on my XLR and decided to go to the dealer to have the car aligned and the oil service and GM Safety Check done.

All of the jobs were done perfectly.

I also had them check the brakes and here's what they discovered:

The right rear cliper was sticking--some sediment or something BUT it caused the rear pads to stick and the rear one to wear down almost to the pad backing. So the pads had to be replaced.

NOW here's the news that is really interesting--When you replace the brake pads on our XLR's and XLR-V's you need to also replace the rotors. The cost for all four about $1,000!!!!!

Also, it seems that the average mileage before replacement is about 20k -30k miles.

There are those cars --and we have read some of these complaints on this site-- that have experienced problems with pulsating brakes. Well it seems that the rotor replacement is mandatory-- and some servicers have been only replacing the pads. Imagine that!!!

Current Owners--If you are having problems this is a starting point.

Prospective XLR and XLR-V Purchasers--If you are considering the purchase of a used vechicle I would strongly recommend reviewing the service history of the car you are consdering to determine if these components have been replaced along with the tires. The combined expense for these items --tires and brakes is about $2,500 which could increase your total vechicle purchase cost considerably.

Used Car Warranty's-- It is my understanding that if the brakes and tires are within "tolerances" they will not be replaced as part of any warranty program. So you could go 5-7k miles and then run into this expense.

As always, please feel free to add any comments to this post that will help the forum members.
Just had my brakes replaced. The rotors were machined down and new pads (ceramic) replaced all around. I went to "Just Brakes" and had the whole works done for $411.

In addition, they also warantee the brake pads for the life of the car.

I generally believe that when you have a GM vehicle, you should run GM parts in it, but looking at this thread, it seems like your dealer was a bit higher than the competition.

Rick H
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post #12 of 15 (permalink) Old 06-19-2008, 10:35 AM Thread Starter
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Quote:
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Just had my brakes replaced. The rotors were machined down and new pads (ceramic) replaced all around. I went to "Just Brakes" and had the whole works done for $411.

In addition, they also warantee the brake pads for the life of the car.

I generally believe that when you have a GM vehicle, you should run GM parts in it, but looking at this thread, it seems like your dealer was a bit higher than the competition.
THANKS TO EVERYONE FOR ADDING YOUR OWN EXPERIENCES TO THIS THREAD!!!!

That way the members can decide what the best solution is for them when they need brakes.

Frankly, I forgot about the OEM Parts people and would have at least checked to see what they would charge.

In any event after the new 2009 pictures many of you took up at Bowling Green I decided to wait another year before I considered a new one.

So I invested some money in it to keep it pristine. Since it only has 33k miles on it and is driven by a little old ----man (me) I know it's in good shape and will make it another year to year and a half until we all see what the 2010's are all about.



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post #13 of 15 (permalink) Old 06-19-2008, 11:54 AM
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Quote:
Originally Posted by XLR I FL View Post
Well it's been a fairly expensive week.

NOW here's the news that is really interesting--When you replace the brake pads on our XLR's and XLR-V's you need to also replace the rotors. The cost for all four about $1,000!!!!!

Also, it seems that the average mileage before replacement is about 20k -30k miles.
I just had my rear brake pads replaced and nothing was mentioned about replacing rotors. The cost was something like $250 for both brakes.

My dealer did mention that rear brake lifetime is approximate 25,000 miles so that seems to be consistent with what you heard.
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post #14 of 15 (permalink) Old 07-22-2008, 08:37 PM
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Slotted and drilled

My brakes are worn after 28,000 miles. I always replace both pads and rotors since they are so inexpensive if you do it yourself and its just a simple bolt on process. I just paid $220 for slotted and drilled rotors for a set of 4 and another $80 for the pads and they look much better than the original.
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post #15 of 15 (permalink) Old 07-23-2008, 10:15 AM
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Rotors

What most shops miss and what causes the wear and the problems is wheel torque. Most shops use torque wrenches that are suppose to be pre set and most shops use air guns. All wheel nuts should be torqued by HAND with an adjustable torque wrench set to factory specs. What happens is they use say a 90 lb pre set wrench and put it in a air driver and it may go too 100+ lbs Now you have just warped the rotors a tad and when you brake you FELL that slight thupping feel in your pedal. This happens more than youll ever know.
The other problem I am finding is NAPA and other after market parts lately are absoultly just terrable. I have 20 vehicals here we service ourselfs for my company and my cars and the aftermarket parts have been extremely undependable. We now use the Manufactures correct parts. I had put after market rotors on my wife 97 Seville and they and the pads were totallly shot in 14-15 months and less than 10k miles My one excpetion to that rule is the older Rolls and Bentley cars we repair. Rolls aand Bentley back then bought all there parts from venders and today when you buy a "CREW" made part there are just someone else's parts marked upand in some cases GM may have the part as long as I know the cross reference number, NOT NAPA for sure. The difference in brake parts is american steel is still the best. Just my 2 cents guys and 45 yrs expeience! jim f
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