Question about 1999 GMC Suburban

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Driving changed rotors bearings calipers lines master cyinder an still does same thing

This vehicle has done this since we owned it an abs light is not on but when removing master cylider front brake line on it had pressure still on the line

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I would presume this is a potential issue with the master cylinder not allowing fluid to return to the reservoir.
If the ABS had an issue, then the issue would likely be between the ABS unit and the brake unit.

Posted on Nov 06, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: changer rear brake rotors & brake pads

dont have to breake our head with abs change the pad and rotor be carefull for the wire thats it good luck pierre

Posted on Sep 27, 2008

  • 1118 Answers

SOURCE: front brake drag

Does it have abs breaks? I have heard of problems with the older abs systems.

Posted on Apr 13, 2009

mikesagenius
  • 24 Answers

SOURCE: no brake pressure

There IS one place it can still leak. behind the brake master cyl - into (inside) the power brake vaccum booster, although that doesn't seem the problem. You first need to make sure your master cyl is bench bled. with a hose bleeder kit, you can bench bleed in-car. you should be able to bleed sys through abs sys with no problem. Sounds like the master cyl needs to be re-bled.

Posted on Jun 03, 2009

  • 43 Answers

SOURCE: Front brakes on '98 GMC 1500 pulls to right as

have the brakes been bled you could have a bad caliper

Posted on Jul 19, 2009

  • 3640 Answers

SOURCE: How do I remove the front hub/wheel assembly? Hi

go to this site, it is for a 99 jimmy but the procedure is the same. www.handymanlyness.com/archiv...99 jimmy.html this will show you the basics. have a good day !!

Posted on Mar 24, 2011

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1 Answer

Abs brake system


Best case scenario bad vacuum pressure to the brake booster. Worst case bad abs control module or valve body/motor the abs system works by add and removing hydraulic pressure through valves and electric motor. Try using block off plugs at the master cylinder( remove lines plug outlets at master cylinder) check if brake pedal position and pressure is good(if there is no change problem is master cylinder or brake booster/ vacuum) if plugging at master cylinder solved issue repeat procedure at abs valve body after reinstalling lines from master cylinder if your problem returns your issue is in the abs valve body if plugging at the abs solves problem reconnect at the valve body bleed each line one by one testing between each line until you find the problem

Apr 11, 2014 | Hyundai Cars & Trucks

1 Answer

ABS warning light ON; brake pedal sinks to floor when applied; total loss of braking.


Your ABS light is on because the system detected a failure in the brake system. Sounds like either your master cylinder is bad or one of your brake lines has ruptured. Usually a master cylinder seal will degrade over time, not insantly. In a dual master cylinder configuration like all newer vehicles, you should still have some braking, even if a front or rear line ruptures. 1st step, check your fluid level.

Mar 31, 2014 | 2006 Ford F 350 Super Duty

2 Answers

Replaced some brake line, rear pads and one rear wheel cylinder. Now no pressure and nothing happening when trying to bleed.


Does the car have ABS ? And does it have an equalizer block for the 4 wheels ?
It sounds like the ABS has been affected, or there is an equalizer block that is stuck on the front wheels only.
Can you open the bleeder or the rear line on the master cyl and get fluid to come out by depressing the pedal ?

Jul 07, 2013 | 1997 Mercury Tracer

1 Answer

Replace Front Wheel Hub Bearing 2002 Jeep Grand Cherokee 2 wheel drive


Removal
  1. Raise and support the vehicle.
  2. Remove the wheel and tire assembly.
  3. Remove the brake caliper, caliper anchor, rotor and ABS wheel speed sensor.
  4. Remove the cotter pin, nut retainer and axle hub nut.
  5. Remove the hub/bearing mounting bolts from the back of the steering knuckle. Remove hub/bearing from the steering knuckle and off the axle shaft.
Installation
  1. Install the hub/bearing to the knuckle.
  2. Install the hub/bearing-to-knuckle bolts and tighten to specification.
  3. Install the hub washer and nut. Tighten the hub nut to specification. Install the nut retainer and a new cotter pin.
  4. Install the brake rotor, caliper anchor, caliper and ABS wheel speed sensor.
  5. Install the wheel and tire assembly.
  6. Remove the support and lower the vehicle.

Apr 22, 2012 | 2002 Jeep Grand Cherokee

1 Answer

No pressure on brake pedal 95 suburban 2500 4x4 7.4L


try bleeding your ABS block first, if that doesn not work could need a master or proportioning vavle. Some scan tools are capable of bleeding the ABS system on some vehicles, and some you have to bleed manually.

Apr 07, 2012 | 1995 Chevrolet Suburban

1 Answer

Front line blow, replaced line master cly to abs block and from abs to right front wheel. bleed have very low and soft paddle.on 03 gmc 2500 hd 4x4. did not put all the turns and bends back in line does...


Ok here is what you have to do. First off make sure your master cylinder is full, Second your vehicle must be running when you bleed brakes that is equiped with ABS this allows the ABS pump to to run you must bleed both front brakes starting at the passenger side wheel then moving to the drivers side. It will take quit a bit of bleeding and be sure to keep checking fluid level in master cylinder well bleeding. Just remeber the vehicle must be running while bleeding the brakes.

May 12, 2011 | Chevrolet 2500 Cars & Trucks

1 Answer

How to bleed brakes on 1997 Saturn


The brake system bleeding procedure differs for ABS and non-ABS vehicles. The following procedure pertains only to non-ABS vehicles. For details on bleeding ABS equipped vehicles, refer to the ABS procedures later in this section.

WARNING Make sure the master cylinder contains clean DOT 3 brake fluid at all times during the procedure.
  1. The master cylinder must be bled first if it is suspected of containing air. Bleed the master cylinder as follows:
    1. Position a container under the master cylinder to catch the brake fluid.
    2. Loosen the left front brake line (front upper port) at the master cylinder and allow the fluid to flow from the front port.
    3. Connect the line and tighten to 24 ft. lbs. (32 Nm).
    4. Have an assistant depress the brake pedal slowly one time and hold it down, while you loosen the front line to expel air from the master cylinder. Tighten the line, then release the brake pedal. Repeat until all air is removed from the master cylinder.
    5. Tighten the brake line to 24 ft. lbs. (32 Nm) when finished.
    6. Repeat these steps for the right front brake line (rear upper port) at the master cylinder.
WARNING Do not allow brake fluid to spill on or come in contact with the vehicle' finish, as it will remove the paint. In case of a spill, immediately flush the area with water.
  1. If a single line or fitting was the only hydraulic line disconnected, then only the caliper(s) or wheel cylinder(s) affected by that line must be bled. If the master cylinder required bleeding, then all calipers and wheel cylinders must be bled in the proper sequence:
    1. Right rear
    2. Left front
    3. Left rear
    4. Right front
  2. Bleed the individual calipers or wheel cylinders as follows:
    1. Place a suitable wrench over the bleeder screw and attach a clear plastic hose over the screw end.
    2. Submerge the other end in a transparent container of brake fluid.
    3. Loosen the bleed screw, then have an assistant apply the brake pedal slowly and hold it down. Close the bleed screw, then release the brake pedal. Repeat the sequence until all air is expelled from the caliper or cylinder.
    4. When finished, tighten the bleed screw to 97 inch lbs. (11 Nm) for the front, or 66 inch lbs. (7.5 Nm) for the rear.
  3. Check the pedal for a hard feeling with the engine not running. If the pedal is soft, repeat the bleeding procedure until a firm pedal is obtained.
zjlimited_349.jpg

Fig. 1: Loosen the front brake line in order to bleed the master cylinder

zjlimited_350.jpg

Fig. 2: Connect a bleed hose from the bleed valve on the front caliper to a jar of brake fluid

zjlimited_351.jpg

Fig. 3: Always follow the lettered sequence when bleeding the hydraulic brake system





Hope this helps to solve it; remember to rate this answer.

Dec 29, 2010 | 1997 Saturn SL

1 Answer

The brake lines rusted off and i do not know where they hook up to abs


Here's a basic rundown on brake lines: Brake lines start at your master cylinder go to a main proportioning/combination valve to adjust brake pressure to front/rear of vehicle from here your brake lines will either go directly into your calipers on a disk brake setup or to a wheel cylinder on a drum brake set up. ABS or Antilock braking system is a computer assisted braking which generates numerous pulses per second to eliminate locking your brakes and loosing control of your vehicle. There are components which are needed by the system but as to hooking brake line to abs no. You can get preformed/exact replacement brake lines from dealer or some parts stores or you can get the correct length and a piping/tubing bender and form your own. Hope this clarifies things a bit. Need anything else let me know

Dec 11, 2010 | 2002 Chevrolet Silverado 2500HD

3 Answers

Right front wheel bearing is bad how do I change it


  1. Raise and support the vehicle safely. Place jackstands under the frame, then lower the vehicle slightly to allow the control arms to hang free.
  2. Remove the tire and wheel assembly.
  3. Insert a drift punch into the caliper and rotor vanes to prevent the rotor from turning, then remove the hub/drive axle nut. Clean the threads of the nut.
    1. Unfasten the caliper mounting bolts, then remove and support the caliper aside with a suitable piece of wire.
    2. Remove the rotor by sliding it from the hub.
    3. If equipped with ABS, detach the front wheel speed sensor connector and unclip it from the dust shield.

    The hub and bearing are replaced only as an assembly.
    For 1987-92 vehicles, perform the following:
  4. Using a suitable front hub spindle removal tool, separate the hub from the halfshaft.
  5. Remove the hub and bearing retaining bolts, shield, hub and bearing assembly and the O-ring.
  6. Separate the ball joint from the steering knuckle, using the proper tool.
  7. Remove the halfshaft assembly and tap the seal from the steering knuckle. Remove the steering knuckle from the hub.
  8. For 1993-99 vehicles, perform the following:
    1. Unfasten the hub and bearing retaining bolts and dust shield.
    2. Place the transaxle in PARK.
    3. Using a suitable front hub spindle removal tool, separate the hub and bearing from the drive axle.
    4. If necessary, remove the steering knuckle.

  9. Clean the rust and foreign material from the knuckle mounting face, bore and chamfer to allow the bearing to properly seat in the knuckle.
To install:
  1. For 1993-99 vehicles, perform the following:
    1. If removed, install the steering knuckle.
    2. Position the hub and bearing assembly to the drive axle. Apply a light coating of grease to the knuckle bore. If the new hub and bearing has a protective plastic cover, remove it before installation. Also, do not handle the knuckle or hub assembly by the ABS sensor wire.
    3. Install a new drive axle nut and draw the hub and bearing onto the axle.
    4. Place the transaxle in NEUTRAL.
    5. Install the dust shield, being careful not to damage the bearing outboard lip seal.
    6. Install the hub and bearing bolts, then tighten to 70 ft. lbs. (95 Nm).

  2. For 1987-92 vehicles, perform the following:
    1. Install a new hub and bearing seal in the steering knuckle with a suitable seal installation tool. Install the steering knuckle to the strut.
    2. Lubricate the hub and bearing with grease. Fill the cavity between the seal and bearing completely.
    3. Install the halfshaft.
    4. Connect the ball joint to the steering knuckle and insert a new O-ring around the hub and bearing assembly.
    5. Install the hub and bearing, and shield into the steering knuckle. Tighten the bolts to 70 ft. lbs. (90 Nm).

  3. If equipped, attach the ABS front wheel speed sensor connector, then clip the wire to the dust shield.
  1. Install the rotor and caliper assembly. Tighten the caliper bolts to 38 ft. lbs. (52 Nm).
  2. Insert a drift punch into the caliper and rotor vanes to prevent the rotor from turning. If not already done, install the shaft washer and nut (if equipped). Tighten the nut to the following specifications:
  3. 1987-88 vehicles: 3 ft. lbs. (270 Nm).
  4. 1989-90 vehicles: 15 ft. lbs. (260 Nm).
  5. 1991-99 vehicles: 107 ft. lbs. (145 Nm).
  6. Install the tire and wheel assembly.
  7. Carefully lower the vehicle, then tighten the lug nuts to 100 ft. lbs. (136 Nm).
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Sep 21, 2010 | 1995 Buick LeSabre

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