Date: Sat, 19 May 2012 08:20:31 -0700
Reply-To: neil n <musomuso@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: neil n <musomuso@GMAIL.COM>
Subject: Re: New Drums
In-Reply-To: <4FB72A5E.6030409@turbovans.com>
Content-Type: text/plain; charset=ISO-8859-1
Neat tips Scott. Thanks. My new Westy has a slight pulse in the brake pedal.
On Fri, May 18, 2012 at 11:37 AM, Mike S <mikes@flatsurface.com> wrote:
Failing to adequately clean off the protective grease before installing
> the drums.
I don't recall my new drums having any protective grease on them but I
installed them some time ago so it's a distant memory.
I do recall that when installing new rotors, they required several
cleanings. Here's an image of the cleaning rag after the 3rd or 4th pass
cleaning with Brake Parts Cleaner:
http://sites.google.com/site/tubaneil2/FrontRotorClean4.jpg
Neil.
On Fri, May 18, 2012 at 10:06 PM, Scott Daniel - Turbovans <
scottdaniel@turbovans.com> wrote:
>
>
> also ...a small test that may reveal something..
> while driving, say at 30 mph ...pull on the parking brake pretty hard
> and see if you feel pulsation there..
> if you do ..it is for sure associated with one or both rear drums.
>
> you can also do that test on the car by putting the drums on the rear
> wheel flange backwards ... or inside out .
> then drive it in first gear in the air..
> rig a pointer ..say a screw driver clamped to a jack stand ..
> it should be pretty close to round .. a few thou off is probably normal ..
> but .010" out would be pretty bad I'd say.
>
> for reference , a spark plug gap is .028" . to give an idea what .010
> is if you don't have a dial gauge.
>
> Do good careful work. It's all in the details.
>
> scott
> turbovans
>
>
> On 5/18/2012 9:14 PM, Ben T wrote:
>
>> Hi Steven,
>>
>> As Dennis Haynes just pointed out, the centerbore at flat surface of the
>> drum can get caught on the edge of the hub. Once torqued down, the drum is
>> frequently irreparable. I didn't believe it could happen to a new drum
>> until it did at a local shop working in a Westy for a friend of mine.
>>
>>
>> BenT Drum
>> sent from my electronic leash
>>
>> On May 18, 2012, at 11:20 AM, Steven Shelton<shelton4@GMAIL.COM> wrote:
>>
>> I just installed new Brembo drums and SBS shoes in my 1985 Camper. Now
>>> the
>>> brake pedal pulsates when I apply the brakes. The only thing I can think
>>> of that would cause this is out of round drums. Can anyone think
>>> of anything else that would cause this?
>>>
>>
--
Neil n
65 kb image Myford Ready For Assembly http://tinyurl.com/64sx4rp
'88 Slate Blue Westy to be named.
'81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/
Vanagon VAG Gas I4/VR Swap Google Group:
http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
