Question about Chevrolet TrailBlazer

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Proportioning valve i have trailblazer 2003. just change rear brakes pads. while driving one of my rear wheels get so hot that there is a smoke coming out any body has a clue why?

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If the problem did not exist before the pads were replaced, I would agree that something is not assembled right, or the caliber is not sliding back to release.

Posted on Apr 30, 2013

Testimonial: "the pistons were greased but i will check and reassemble tommorrow. thank you"

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  • Chevrolet Master
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Just a guess, but maybe something is not put together right in that wheel?

Posted on Apr 30, 2013

Testimonial: "i will check and reasemble tomorrow"

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6ya6ya
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SOURCE: Brakes no longer work in 1989 Chevy half ton pickup 2 wheel drive 350cubic inch

change dump valve under master cylinder

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SOURCE: 98 caravan no abs

sounds to me if you replaced all of that than the power booster is sticking

Posted on Oct 27, 2008

cmccune04
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SOURCE: Rear Brake Proportioning Valve

Used GEO Parts Leads May 28, 2008 (i.e. Wheel, Seat Belt) 1990 GEO Tracker, SUV, 4-Cyl, Gas/Carburetor, Automatic, 4x4, Any Brakes, Rear, Brake Proportioning Valve which mounts on rear axle (Raleigh, North Carolina ...
www.automotix.net/20080528-used-geo-parts.html


Copy this link I found it on a google search and thought of you>

Posted on Dec 21, 2008

  • 599 Answers

SOURCE: the ABS/proportioning valve is not working.

these trucks need a seperate bleed procedure for ABS you need a scanner to put it into this bleed mode,hope this helps if not get back to me and we'll go from there. please rate my fix as i strive to be the best

Posted on May 19, 2009

  • 1 Answer

SOURCE: rear brake dragging

Suterman, RE: infamous GM right rear brake pad problem. A rapid inside RR brake pad wear problem is common on most GMC and Chevy trucks made from ?99 to ?04. The right rear brake caliper and pads are located in such a manner that road dirt/mud flies straight into them. This steady diet of grit causes the caliper to seize and the inside brake pad to wear out rapidly, causing the "squealing" or "grinding" noise often reported. SOLUTION: GM has had a problem with the rear brakes on their light duty trucks. There is a fix. The ALLDATA Information System shows GM Technical Service Bulletin # 00-05-23-005B, which they simply describe is a mud flap kit. This kit addresses the rapid brake pad wear problem. The GM mud flap kit is installed to block bombardment of road dirt and debris that is the cause of this very common problem. The GM kit part number is 15765007 and is pretty easy to install. I would suggest installing the mud flap kit before your next brake job.

Posted on Jun 05, 2009

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1 Answer

How do I check and/or find a brake proportional valve oem replacement part for a 1999 Lincoln Continental


proportional valves are designed to give the right amount of hydraulic pressure to the back brake to prevent them locking up with a resultant loss of control of the vehicle
replacement of calipers would only be need once to fix jammed or leaking pistons but the pads may have to be replaced more often.
if it only the front brakes that is the problem ,I suspect that the fault will be in the compensating ports of the master cylinder that is not releasing the fluid back into the reservoir and the resultant heat build up from the pads still in contact with the discs is building up brake pressure and so keeping the pads on the discs to the point where lock up is evident
failed proportioning valves will result in no brake action to the rear wheels or rear wheel lock up
If parts are not available from the manufacturer spares department, they should be still be available from reputable brake shops as car manufacturers do not make brake parts as such but rely on brake manufacturers to supply items to specifications
the unit will be repairable by an accredited shop and failing that would be available from the wreckers.

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Why is it that my Mitsubishi mighty max's rear brake grips first before the front brake?


there is a proportioning valve to the rear brakes that only allows them to operate fully under load or heavy braking. If it is faulty then full brakes will be applied to the rear which will allow them to lock up first.
Check pad/shoe condition and rear drum/shoe adjustment as well

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Smoke From Left Rear Wheel


Could be oil leaking onto the brake pads or shoes.

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I have a 2005 chevy silverado with drum rear brakes and it seems like i'm only useing my front brakes even though i adjust them it seems like they won't stay to wear i feel it in the brake pedal.....also...


The rear brakes normally only account for about 25% of your braking power. Due to engine weight being over the front wheels, and the way that the front settles down when braking, it's proportioned that way to get the best braking performance, especially in a pickup. Unless you change the proportioning valve, the amount of braking that the rear wheels do will not change. As for the brake dust, some types of pads do that more than others, and with disk brakes, this is normal.

Mar 31, 2010 | 2005 Chevrolet Silverado 1500 2WD

2 Answers

Brakes smoke and cause a drag when driving


Parts came loose in the drum on the side it's pulling to.the Nail may have poped off if you diden't replace them casueing the brakes to lock up. You have to take it apart angood luck doing it.

Jul 01, 2009 | 2003 Chevrolet TrailBlazer

1 Answer

2002 tahoe breaks lock up during driving


It sounds like the rear calipers are bad. Raise the rear wheels and see if you can turn the tires. If you can't, open the bleeder. If you still can't replace the caliper. If you can turn the wheel after you open the bleeder, replace the brake hose to that wheel.

Apr 12, 2009 | 2000 Chevrolet Silverado 1500

1 Answer

99 Jeep GC Brake Lock


todays sports utility vehicles are equiped with a proportioning valve. they are usualy located at the rear of the vehicle. this valve regulates the flow of brake fluid to the calipers. most suv`s have a ride control arm on them that is linked to the rear suspension to apply more braking force to the rear wheels in a harsh or sudden stop. if this valve is bad or malfunctioning even body roll can redirect brake fluid to the rear wheels causing them to lock up., hope this info helps

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