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Old 11-07-2006, 03:05 PM   #1 (permalink)
01001010
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Join Date: Jan 2005
Location: Lawrenceville, GA
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Arrow Brake Squeal Discussion

As many of you may know, not too long ago, I replaced my brake components with DAP's HD Kit which included Cross-Drilled Rotors, and EBC Kevlar Pads. Ever since I did the change, I've had a squeal comming from the Rear Right tire (farthest away from the MC). I also purchased RTE's Extended Stainless Steel brake lines and Valvoline synth DOT4 Brake Fluid but I STILL have not done the switch or the brake bleed.

In other words, I have high performance rotors/pads with stock level hoses and fluids.

I've temporarily remedied the squeal by putting CRC's Disc Brake Quiet and later, combining that with a thin layer of cork behind the pad. The CRC adhesive lasted longer on its own, and the cork was eventually cut by the edge of the cylinder.

I have been told that the new pads and rotors, because of their construction and the materials they are made out of, produce more heat than stock components. Knowing this, and having my truck still produce the squeal, I'm lead to beleive that the fluid is the culprit of the squeal.

I've been doing some reading and it's all falling into place. The different DOT fluids have different Dry/Wet boiling points. Being that hydrolic fluids absorb water from the surrounding air, there is no doubt in my mind that there is SOME tiny percentage of water in my brake system. I feel that because of this, and the location of the squealing brake, the fluid just isnt enough to handle the vibration/heat of the new components and has eventually created steam and air pockets in the system, decreasing that brake's performance.

My dad's arguement ( he thinks I dont know what I'm talking about and that I've spent too much money on my brake system for it to still have the squeal) is that the brake fluid is a hydrolic fluid (correct) and its made to last a lifetime (incorrect) and that the squeal is being emitted by something else within the brake system back there.

Now, for some history, my 96 D1 has 140k on the clock and has had the same brake fluid for quite some time now. I'm aware that there's also a chance that my caliper may be internally worn/damaged as well. But before I spend more $$$ and make my dad hate my truck even more, I want tackle the Fluid issue first.

Someone please enlighten me (and please help me take this DAMN squeal away).
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JC...

1996 Discovery SE - The Blue Marlin - gone =(
1965 Series IIa 109 RHD 2.25L Dsl - Wilks

1965 Series IIa 88' LHD 2.25L Petrol - Fionna
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