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C4 front brake temperature question

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Old 06-21-2007, 09:56 AM
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90Z51
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Default C4 front brake temperature question

I recently upgraded my front brakes to the J55 on my 92. I used new delco calipers and new brackets. I also took the opportunity to upgrade to stainless lines and the DRM bias spring. I flushed the whole system and used ATE super blue fluid. I've noticed that when I drive hard the driver's side caliper heats up more than the passenger side caliper. I've checked to make sure the caliper and pads move freely and don't bind. The wheel rotates freely if you jack up the corner of the car and spin it by hand. There doesn't seem to be any residual pressure in the lines, as I can crack the bleeder and the fluid just barely seeps out. Is there something wrong with this scenario, or is it normal for the calipers to operate at different temperatures?
Old 06-21-2007, 10:21 AM
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Originally Posted by 90Z51
I recently upgraded my front brakes to the J55 on my 92. I used new delco calipers and new brackets. I also took the opportunity to upgrade to stainless lines and the DRM bias spring. I flushed the whole system and used ATE super blue fluid. I've noticed that when I drive hard the driver's side caliper heats up more than the passenger side caliper. I've checked to make sure the caliper and pads move freely and don't bind. The wheel rotates freely if you jack up the corner of the car and spin it by hand. There doesn't seem to be any residual pressure in the lines, as I can crack the bleeder and the fluid just barely seeps out. Is there something wrong with this scenario, or is it normal for the calipers to operate at different temperatures?
Define different. 50* or so isn't a big deal. 200* is.
Old 06-21-2007, 10:24 AM
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90Z51
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I don't know exactly. It's definately different to the touch. I'll borrow my infrared temp gun from work tonight and take some measurements.
Old 06-21-2007, 11:56 PM
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So it turns out the difference in temperature between the sides is about 30 degrees now. I filed the brake pad where it engages the caliper bracket. It moves more freely now, and the problem seems to be fixed.
Old 06-22-2007, 11:32 PM
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Originally Posted by 90Z51
So it turns out the difference in temperature between the sides is about 30 degrees now. I filed the brake pad where it engages the caliper bracket. It moves more freely now, and the problem seems to be fixed.
Keep an eye on it for awhile just to make sure
Old 06-23-2007, 12:16 AM
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I checked it again today, it's still pretty close between the sides. I'll definately keep an eye on it. Thanks
Old 06-23-2007, 07:46 PM
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uh, you tracking it clockwise? That's the reason. I wear out my drivers side tire and brake first, 'cause I track clockwise.

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