When my 67-1/2 was new, within less than a year of its purchase, I was getting
*that* squeal which frightened pedestrians at crosswalks. Mechanic at Von Hamm
Young (the Honolulu Datsun dealer at that time) recommended that I apply
powdered graphite (the spray, lock type) to the disk/pads. Lowered the
coefficient of friction for a while, reducing braking effectiveness, but when
braking returned to normal, the squeak was still gone, never to return.
Dave
'68 1600
Kailua-Kona
CarterCM@aol.com wrote:
> Many of us in SoCalROC have been or are still experiencing the same problem.
> It's a hellish squeal all right...I've had people in crosswalks cover their
> ears as I approach a stop!
>
> No one seems to know the exact cause because it happens with all combinations
> of new and just-turned rotors, new calipers, as well as with new stock and
> "metal" pads (my whole system was new). Don't know why this is such a problem
> now...it never happened when I was driving my car in the 70's & 80's. I
> wonder if the steel braided lines contribute to the problem?
>
> Anyway, I was finally able to eliminate 95% of it with CRC spray-on
> anti-squeal but the application is important. The first time I tried it it
> did not work at all...but when I pulled out the pads again, I found that much
> of the goo had been scraped off when I inserted them.
>
> So here's what I did...clean back of pads well with BrakeClean and a
> toothbrush, so goo will stick. Let dry thoroughly. Spray on MULTIPLE thinnish
> coats until there is a build up of 1/16" or more. Allow to fully dry (longer
> than it says to on can). Slowly reinsert pads being careful not to scrape off
> any goo. Worked for me.
>
> Hope this helps.
>
> Craig Carter
> Fountain Valley, CA
> 1970 SRL311 #14100 "DAT2000"
> 1968 Datsun Roadster DP racecars
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