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Date:         Thu, 17 May 2007 09:52:08 -0700
Reply-To:     neil <musomuso@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         neil <musomuso@GMAIL.COM>
Subject:      Re: Riddle me this... Honda Brake question NVC!
Comments: To: Dennis Haynes <d23haynes57@hotmail.com>
In-Reply-To:  <BAY125-DAV89AC101758D9C60702E3EA0330@phx.gbl>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Thanks Dennis.

Interesting, and as usual very informative!

As I had written, rotors were replaced free of charge. Even with what you wrote of, I can't see how they would have worn down that much with the **original** pads. Didn't make sense to me, and upon further conversation with guys at dealership, they found a bulletin regarding front pads.

All this is good though as I'm learning more about pads/rotors which will help in Vanagon-land in my world!

Neil.

On 5/16/07, Dennis Haynes <d23haynes57@hotmail.com> wrote: > On many cars it is becoming a normal practice to replace front rotors with > the pads. There are a number of reasons to do this: > > 1) It avoids or eliminates comebacks due to brake noises or bouncing > brakes. > 2) Due to the high costs of labor, even at the ridiculous price of dealer > rotors, it is not cost justified to cut them. > 3) Rotor cutting lathes are not that good and neither are low wage > operators, go back to step 1. > 4) Newer pad materials do cause rotor wear. Most vehicles only have 2mm > extra. Vanagons included. > 5) New rotors are not turned on a lathe. They are milled or fly cut. That > gives a cross hatch pattern which helps to seat the pads. Remember piston > and cylinder honing? Same concept. Back to #1. > 6) The outside of the rotor actually travels faster then the center. This > will often create a taper to the rotor surface. Not good for new pads and > will take some cutting to get straight. Rotor too thin and nothing left > for wear. > 7) Rotors that have seen hard use will work and heat harden. Can't be cut, > only ground. Not many shops can do that. > > As for a different pad, the PEM pads are usually the best all around > compromise. A softer pad will wear faster and in some situations have less > stopping power. Especially fade resistance. A harder pad will last longer > but may require more pedal effort and due to the lack of friction, may > heat up the rotors or worse leave deposits both causing more bouncy > brakes. I tried so called ceramic pads on my Benz. What a mistake. Has the > deposit problem. When cold the brakes are fine. Once heated they pulse and > grab and make noises that can be heard outside. You can see the film and > some metal transfer on the rotors. > > Pads have friction ratings. They are letters such as "EE" of "FF". The > higher the letter, the more friction. "EE" is a hard, long life pad > material. "FF" is common. The Vanagon front OEM is "GG". Of course there > is a ride range in actual performance for a given letter rating. Axxiss > Metal Masters work well in Vanagons even though they are "EE". I had "EE" > that simply will not stop. > > Hope this helps. > > Dennis > > > > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of > neil > Sent: Wednesday, May 16, 2007 7:07 PM > To: vanagon@GERRY.VANAGON.COM > Subject: Riddle me this... Honda Brake question NVC! > > Hi all. > > So, ok. > > A 2004 Accord, original owner (me!) 43K Km's, never had rotors turned, > front pads at 5%, but NO metal on metal. > > Why would the rotors wear to the point of having to be replaced?? > > I get the feeling they know something I don't (like orig rotors cheap > product) as they quoted me around $300 for pads/hardware/rotors > installed. Rotors were $93 ea., so that plus pads etc. AND labour > maybe should be higher? (I'm not argueing!) > > Should I specify a different type of pad next time? > > Sorry for attempting to avail myself upon the help of Vanagon people, > but this has me puzzled. > > -- > Neil Nicholson. 1981 Air Cooled Westfalia. > > http://web.mac.com/tubaneil > >

-- Neil Nicholson. 1981 Air Cooled Westfalia.

http://web.mac.com/tubaneil


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