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940 Brake Job 900

posted by  javalion on  Sat Apr 16 17:17 CST 2005
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last visit: Wed Jul 23 09:57 CST 2014
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During the annual automotive inspection the tech warned my wife that there was only about 10% of the front pads left. Actually it was 30% remaining. Close enough for me. Before installing the pads I used a layer of brake pad quiet as I always do. The secret of using this stuff is letting it dry for about an hour before the pads are installed.

I measured a .032” ridge on each side of the 1.02” thick rotors which leaves .956”. If the minimum is .91”, by the time the second set of brakes need replacing the rotors will need replacing with an estimated .89” remaining. The new pads seemed to fit into the existing pad grove just fine.

Caliper pins were lubed about a year ago. The caliper piston was pushed in after loosening the bleeder and not clamping the brake line. The break-in was positive, no chattering, pulling, shimmy or loss of stopping power. And gone will be the heavy duty dust from the Volvo pads. I’ll bleed the lines in the next couple weeks.

--
Tom F. Couple of Volvos Mods, RainX & cup holders.









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    940 Brake Job 900

    posted by  Peter Penguin on  Sun Apr 17 02:58 CST 2005
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    last visit: Mon Oct 13 08:59 CST 2014
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    Thanks for that tip about the drying time... that's the first I've heard of it after reading all about brakes here on the Brickboard for years.







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      940 Brake Job 900

      posted by  javalion on  Sun Apr 17 04:52 CST 2005
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      last visit: Wed Jul 23 09:57 CST 2014
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      I found a brake job done on a car where the folds in the rubber dust bellows were glued together because the rubber cement was still wet. Just thinking out loud: a very thin rubber stickey back applied to the pad may work as well if not better. It would have to be very high temp resistant.

      BTW, 30% of the remaining pad thickness, .14 inches, is almost too close for comfort. I’d say the inspector saved me a set of rotors.
      --
      Tom F. Couple of Volvos Mods, RainX & cup holders.








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        940 Brake Job 900

        posted by  lucid on  Sun Apr 17 05:11 CST 2005
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        last visit: Fri Oct 24 12:31 CST 2014
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        FWIW, I've never used that kind of rubbery anti-squeal paste that dries, but haven't had a brake squeal in more years than I can recall.

        I'm not knocking the drying type, but I've always used a silicone-based goop/grease like Sil-Glyde. That's what I'm currently using on my 940's Axxis pads.

        NAPA sells a full 4 oz. tube of Sil-Glyde for $4.79. Ipd gets $5.00 + shipping for the 0.7 oz. size. That's 7/10ths of an ounce! I'm glad Ipd is around, and buy enough from them to stay on the catalog mailing, but IMO that's an outrageous markup. (495% if my math is right.)
        --
        Bruce Young
        '93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.








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    940 Brake Job 900

    posted by  Steve on  Sun Apr 17 01:13 CST 2005
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    last visit: Fri Oct 24 07:16 CST 2014
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    I agree with your remarks about the paste drying time. I've had no problems with brake squeel, but only when allowing the paste to dry far longer than the instructions on the label indicate.







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