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New hoses,rotors,pats,master pum,blend air,repeared calipers. pedal qeep solf.

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Not bleed correctly

Posted on Mar 17, 2011

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Installed new caliber and rotor caliber still locking up, is master cylinder bad?


when you are done with a brake job it is always important to make sure you can slide the caliper both inward and outward by hand to ensure that there is no sticking, (that is with the pads in place and caliper piston completely depressed into the caliper) it is not rare to find that a piston that is very hard to depress back in the caliper is due to deterioration of the inner lining of the brake hose, if you have problems pushing the piston back into place most likely this is your problem. I have strong hands and is most vehicles I can push the piston back into the caliper by hand.

Mar 15, 2015 | 1998 Dodge Neon

1 Answer

How do I check if the proportioning valve is working correctly? I changed the brakes pads, hoses, rotors and calipers and now there is no brake fluid coming through the hose.


is the pedal firm when you pump the brakes? if not check check fluid from master cylinder first by loosening the lines and have someone press the pedal for you. if you have fluid there then make sure there is no air in the brake lines to the calipers. you have replaced alot a hydraulic parts and may have to bleed the lines several times.

Jul 13, 2011 | Dodge Caravan Cars & Trucks

1 Answer

1997 Jeep Grand Cherokee Brake Problem. Brake Pedal Falls To The Floor. Calipers were replaced twice,master cylinder,brake hoses and pads. Systemm has been bleed numerous times - no air but the brake...


This may sound dum but its been done a few times and is a simple mistake , the bleeder screw is up top, with the caliper on the bleeder screw should be up top, if not then calipers are on the wrong side, it sounds like air in the system, also you pumped the pedal up to push out the piston so pads hit rotor after bleeding,i dont see anything else, if the pedal is good with pinched lines at caliper then it got to be calipers are wrong or on the wrong side and the bleeder is not atop caliper,also you bleed the rear also? these trucks and cars use left caliper and rt rear on one system of the master and rt front and left rear on one side, let me know about the caliper, heres a picture to show you what i mean. hope this helpsjohnjohn2_23.jpg

Nov 16, 2010 | 1997 Jeep Grand Cherokee

1 Answer

How to change front brake pads on 2003 Chevy Suburban


Disc Brake Pads for Suburban 1500 Removal & Installation Front To Remove:
Front caliper mounting bracket 93086g95.gif

  1. Remove the cover on the master cylinder and siphon out 2/3 of the fluid. This step prevents spilling fluid when the piston is pushed back into the caliper bore.
  2. Raise and support the vehicle safely.
  3. Remove the wheel and tire assembly.
  4. Compress the brake piston back into its bore using a C-clamp.
  5. Remove the 2 caliper mounting bolts. Lift the caliper off the rotor.
  6. Remove the inboard and outboard pad.
  7. Remove and discard the anti-rattle clips.
To Install:
Caliper bracket sleeves 93086g97.gif

  1. Thoroughly inspect, clean and lubricate all caliper slide points, bolts and hardware.
  2. Install new anti-rattle clips.
  3. Position the inboard and outboard pads into the support bracket
  4. With the 2 pads in position, place the caliper over the brake rotor and align the holes in the caliper with those of the mounting bracket.
  5. Install the caliper mounting bolts through the sleeves in the inboard caliper ears and into the mounting bracket.
  6. Tighten the mounting bolts to: 80 lb. ft, (110 Nm).
  7. Install the tire and wheel assembly. Lower the vehicle.
  8. Add fluid to the master cylinder reservoirs so they are 1/4 in. (6.35mm) from the top.
  9. Test the brake pedal by pumping it to obtain a hard pedal. Check the fluid level and add fluid as necessary.
Rear To Remove:
  1. Remove 2/3 of the brake fluid from the master cylinder.
  2. Raise and safely support the vehicle.
  3. Remove the wheel and tire assembly.
  4. Remove the brake caliper mounting bolts. Suspend the caliper from the frame with mechanic's wire. Do not allow the caliper to hang from the brake hose.
  5. Remove the brake pads from the caliper mounting bracket.
  6. Remove and discard the anti-rattle clips.
Rear brake caliper 93086g96.gif

To Install:
  1. Install new anti-rattle clips.
  2. Position the brake pads to the caliper mounting bracket.
  3. With the 2 pads in position, place the caliper over the brake rotor and align the holes in the caliper with those of the mounting bracket.
  4. Install NEW caliper mounting bolts. Tighten to: 30 lb. ft, (40 Nm).
  5. Install the wheel and tire assembly.
  6. Lower the vehicle.
  7. Refill the master cylinder to the proper level with fresh brake fluid. Pump the brake pedal slowly and firmly to seat the brake pads. Burnish the brakes as needed.
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Jul 05, 2010 | 2004 Chevrolet Suburban

1 Answer

Need help changing brake pads and routers on 2003


Remove brake fluid from the master cylinder brake fluid reservoir until the reservoir is approximately 1/2 full. Discard the removed fluid.
  1. Raise and safely support the front of the vehicle. Remove the front wheels.
    1. Remove or disconnect the following:
    2. Front brake caliper guide pin bolts
    • Brake caliper by slowly sliding it up and off the adapter and brake rotor. Support the caliper out of the way with a strong piece of wire. Do not let the caliper hang by the brake hose or damage to the brake hose will result.
    1. If necessary, compress the caliper piston into the bore using a C-clamp. Insert a suitable piece of wood between the C-clamp and caliper piston to protect the piston.
    2. Outboard disc brake pad from the caliper by prying the brake pad retaining clip over the raised area on the caliper. Slide the brake pad down and off the caliper.
    • Inboard disc brake pad from the caliper by pulling the brake pad away from the caliper piston until the retaining clip on the pad is free from the caliper piston cavity
  • To install:
    1. Be sure the caliper piston has been completely retracted into the piston bore of the caliper assembly. This is required when installing the brake caliper equipped with new brake pads.
    2. If equipped, remove the protective paper from the noise suppression gaskets on the new disc brake pads.
    3. Install or connect the following:
      • New inboard disc brake pad into the caliper piston by pressing the pad firmly into the cavity of the caliper piston. Be sure the new inboard brake pad is seated squarely against the face of the brake caliper piston.
      • Outboard disc brake pad by sliding it onto the caliper assembly
      • Brake caliper assembly over the brake rotor and onto the steering knuckle adapter
      • Caliper guide pin bolts and torque to: 35 ft. lbs. (47 Nm) on 2002–04 models or 26 ft. lbs. (35 Nm) on 2005 models
      • Front. Apply the brake pedal several times until a firm pedal is obtained.
    4. Check the fluid level in the master cylinder and add fluid as necessary. Road-test the vehicle.

    For the rotors:

    1. Remove brake fluid from the master cylinder brake fluid reservoir until the reservoir is approximately 1/2 full. Discard the removed fluid.
    2. Raise and safely support the front of the vehicle. Remove the front wheels.
    1. Remove or disconnect the following:
    2. Front brake caliper guide pin bolts
    • Brake caliper by slowly sliding it up and off the adapter and brake rotor. Support the caliper out of the way with a strong piece of wire. Do not let the caliper hang by the brake hose or damage to the brake hose will result.
    1. If necessary, compress the caliper piston into the bore using a C-clamp. Insert a suitable piece of wood between the C-clamp and caliper piston to protect the piston.
    2. Outboard disc brake pad from the caliper by prying the brake pad retaining clip over the raised area on the caliper. Slide the brake pad down and off the caliper.
    • Inboard disc brake pad from the caliper by pulling the brake pad away from the caliper piston until the retaining clip on the pad is free from the caliper piston cavity
  • To install:
    1. Be sure the caliper piston has been completely retracted into the piston bore of the caliper assembly. This is required when installing the brake caliper equipped with new brake pads.
    2. If equipped, remove the protective paper from the noise suppression gaskets on the new disc brake pads.
    3. Install or connect the following:
      • New inboard disc brake pad into the caliper piston by pressing the pad firmly into the cavity of the caliper piston. Be sure the new inboard brake pad is seated squarely against the face of the brake caliper piston.
      • Outboard disc brake pad by sliding it onto the caliper assembly
      • Brake caliper assembly over the brake rotor and onto the steering knuckle adapter
      • Caliper guide pin bolts and torque to: 35 ft. lbs. (47 Nm) on 2002–04 models or 26 ft. lbs. (35 Nm) on 2005 models
      • Front. Apply the brake pedal several times until a firm pedal is obtained.
    4. Check the fluid level in the master cylinder and add fluid as necessary. Road-test the vehicle.

    May 28, 2010 | 2003 Chrysler Town & Country

    2 Answers

    Brake pedal go down all way new rotors pads reaer


    SOUNDS LIKE MASTER CYLINDER SEALS ARE GONE. REPLACE MASTER CYLINDER WITH NEW OR REBUILT UNIT.

    Jan 27, 2010 | 1997 Chevrolet K1500

    1 Answer

    How do I remove the front rotors from my 1999 honda accord


    Removal & Installation

    d4d9fd4.gif
    After removing the caliper body, unfasten the retaining bolts and remove the caliper mounting bracket, in order to remove the rotor

    1. Use a siphon or clean turkey baster to remove about half of the brake fluid from the master cylinder.
    2. Raise and safely support the vehicle and remove the tire/wheel assembly.
    3. Remove the caliper mounting bolts, then lift the caliper assembly away from the brake rotor.
    4. Use a suitable piece of wire to suspend the caliper assembly. This will prevent the weight of the caliper from being supported by the brake flex hose which will damage the hose.
    5. Once the caliper body and brake pads are removed, unfasten the caliper bracket mounting bolts, then remove the bracket from the rotor.
    6. Remove the rotor retaining screws.
    7. Remove the brake rotor by pulling it straight off the wheel mounting studs or if seized in place, remove the stubborn brake rotor by threading in two 8 x 1.25mm bolts, two turns at a time until the brake rotor is released.
    To install:
    1. If necessary, completely retract the piston into the caliper using a large C-clamp or other suitable tool as provided in the front disc brake pad replacement procedures in this section.
    2. Install the brake rotor onto the wheel hub and tighten the mounting screws.
    3. Install the caliper mounting bracket and secure with the retaining bolts.
    4. Install the caliper and pad assembly over the brake rotor and mounting bracket and install the mounting bolts.
    5. Fill the master cylinder to the proper level with fresh brake fluid.
    6. Install the tire/wheel assembly and lower the vehicle.
    7. Pump the brake pedal until the brake pads are seated and a firm pedal is achieved before attempting to move the vehicle.
    CAUTION Do not move the vehicle until a firm pedal is obtained.

    1. Road test the vehicle to check for proper brake operation.

    Nov 01, 2009 | 1999 Honda Accord

    1 Answer

    Pistons in both front calipers stay out, both calipers replaced


    You may have a leak in the booster or master cylinder. You can put a pressure tester on the system to test for leaks. It does sound like you have an air leak.
    You can try to bleed the master cylinder, then slave cylinder, then brake lines.

    Aug 24, 2009 | 1993 Oldsmobile Achieva

    2 Answers

    Poor breaks


    When you open the breaking system you allow air to enter the break lines and that will cause squishy or weak breaks. You have too "bleed" the air out of the lines now. The way to do this is to have someone help you with this process. They will need to pump the break pedal until the break pedal is stiff and hold pressure on the pedal while you open the valve on the caliper or wheel cylinder(disc or drum) until you have a steady stream of fluid with no air. To ensure you get all the air out you need to start from the passenger rear tire,then driver rear, pass. front, driver front. Make sure you slip one end of a hose over the bleeder valve and the other end in a container so that you don't allow the break fluid to contaminate the new brakes,

    Dec 03, 2008 | 1995 Chrysler New Yorker

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