Whack Stanley

[jdbubb at verizon.net (Dan Bubb)]

To my knowledge the cast ridge as a pad wear indicator was only used on early, small rotor diameter non-vented, brakes.
So, if you've got the 10.1's that shouldn't be it. Good thought though.

I'm wondering if you have a failed CV. I've seen the ball separator break, not hold the balls in the correct position and the CV becomes very notchy as it rotates. Kind of a long shot.
Dan

From: "Nate Lowe" <nlowe79@gmail.com>
Sent: Sunday, December 03, 2006 7:27 PM
Subject: Re: Whack Stanley


> Hm, I've never heard of this. I'll check my rotors, but they're after market
> 10.1" with new pads on them so I'm not sure they would have that feature. I
> suppose I could also turn the wheel with the car jacked up and see if I
> notice any "rough" spots. That'll give me a chance to give a closer look to
> the stuff Alan mentioned also just to be sure.
> 
> Nate
> 
> On 12/3/06, Karl Krupke <kkrup62@hotmail.com> wrote:
>>
>> Here's a shot in the dark... early Scirocco's (at least up to my old '79
>> Mk
>> 1) had a mechanical brake pad wear indicator; a ridge cast into the rotor
>> inside the main pad surface. When the pad wears down far enough, a shelf
>> on
>> the pad contacts the ridge every revolution. It creates a "thumping" or
>> "thunking" sound, which can easily be heard through the floor pan/fender.
>> You'd probably also feel a slight "wobble" in the steering wheel.
>>     And obviously it'll be consistent with road speed.
>>     Easy to check, just pull the wheel and see if there's a ridge on the
>> brake rotor, I seem to remember it's about 2" long or so; if it's there
>> and
>> it's shiny check your brake pads.
>>
>> Karl
>>
>> >From: "Nate Lowe" <nlowe79@gmail.com>
>> >To: "julie@menloparkrandd.com" <julie@menloparkrandd.com>
>> >CC: Scirocco List <scirocco-l@scirocco.org>
>> >Subject: Re: It's Alive!
>> >Date: Sun, 3 Dec 2006 09:15:45 -0500
>> >
>> >That's a thought. I guess my main issue is how to diagnose something like
>> >this. I suppose for the tire i could just rotate them and see if the
>> sound
>> >moves to a different location. If it's something else how would you go
>> >about
>> >figuring it out? I can't exactly look under the car while it's moving.
>> >
>> >Nate
>> >
>> >On 12/3/06, julie@menloparkrandd.com <julie@menloparkrandd.com> wrote:
>> >>
>> >>How about a tire? I had a tire that did some thing similar on the black
>> >>MKII. It went "whap" at certain speeds.
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