Question about 1998 Chevrolet K1500

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Power Brake Booster 1998 Chevy K-1500

How do you change the power brake booster?? The bolts inside the cab on the firewall are easy enough to figure out as is detaching the master cylinder, but how do disconnect the "plunger" or whatever the part is called that's connected to the brake pedal??

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  • Anonymous Jan 13, 2009

    how do you remove the locking clip on the brake pedal and stoplight switch without destroying it.

  • Anonymous Feb 23, 2009

    I don't know how to disconnet the part that goes to the brake pedal?


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There is a lock clip use a small straight screwdriver pull out the center and slide off the clip

Posted on Oct 01, 2008

Power Brake Booster 1998 Chevy K-1500 - 7032eed.jpg

Posted on Oct 20, 2008

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2000 chevy blazer power brake booster replacement

unbolt the nuts holding the master cylinder to the power brake booster and move it gently to one side without undoing the brake lines. next unbolt the bolts holding the booster to the firewall and vacume line and remove. install in reverse order.

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There should be two or four mounting bolts accessed from under the dash. Usually the booster has studs and you remove the nuts.

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In 96 cougar is bad,,,how do i replace it

    • Mark the location of all of the brake lines running into the brake master cylinder using masking tape and permanent marker.
    • 2Slide the tube nut wrench over the brake line running to the brake master cylinder. Orient the wrench so that it fits over the end of the tube nut.
    • 3
    • Turn the nut counterclockwise to remove it from the master cylinder.
    • 4Pull the brake lines out of the master cylinder.
    • 5Remove the bolts holding the master cylinder to the brake booster.
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Replace brake booster

  • Slide the tube nut wrench over the brake line to the master cylinder connection. The master cylinder is normally on the driver's side of the engine bay and mounted on the firewall. Orient the wrench so that it fits over the tube nut on the end of the brake line.
  • 2Disconnect the brake line. Turn the nut counterclockwise to remove. Note the location of each brake line. There are four lines total, and they need to be put back in the same location when reinstalling the lines. You may want to mark them with masking tape and permanent marker.

  • 3Unplug the master cylinder cap electrical plug.
  • 4Remove the brake master cylinder to brake booster bolts with a socket wrench.
  • 5Back the master cylinder off the brake booster.
  • 6Unbolt the bolts holding the brake booster to the firewall on your vehicle.
  • 7Pull the cotter pin out of the brake pedal to brake booster connecting pin with a pair of pliers. This is done inside the vehicle down in the driver side foot well.
  • 8Pull the brake pedal to brake booster connecting pin out to disconnect the brake pedal from the brake booster connecting arm.
  • 9Mark and remove the vacuum hoses on the brake booster and slide the booster off the firewall.
  • 10Install the new brake booster. Installation is the reverse of removal
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    How do i change a brake booster


    1. Disconnect the negative battery cable.
    2. Apply the parking brake.
    3. Unplug all necessary electrical connections.
    4. Remove the master cylinder from the booster and pull it off the studs, CAREFULLY! It is not necessary to disconnect the brake lines.
    5. Disconnect the vacuum hose from the check valve.
    6. If necessary, remove the brake light switch.
    7. Disconnect the booster pushrod at the brake pedal.
    8. Remove the booster mounting nuts, located on the inside of the firewall.


    Fig. Fig. 1: Vacuum booster mounting

    1. Lift off the booster and remove the gasket.

    To install:
    1. Install the booster with a new gasket.
    2. Tighten the booster mounting nuts to 21 ft. lbs. (29 Nm) on all except 1996-98 models. On 1996-98 models, tighten the nuts to 26 ft. lbs. (36 Nm).
    3. Install all remaining components.

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    How to remove the power brake booster on a 1990 gmc 1500 sierra

    Remove the brake master cylinder from the front of the booster, then unbolt the unit from the firewall. there should be two nuts in the engine compartment and two bolts under the dash. The easiest way to the pedal rod is to remove the dash panel. then it pretty easy to get to the rod and the bolts. disconnect the vacuum line from the booster and it comes of the firewall. Replace it in the opposite order.

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    How do I get the brake power booster off of a 1500 98 chevy truck

    The power brake booster is fastened to the firewall with studs and nuts that are located up under the dash. You'll need to remove the master cylinder first, then locate the studs and nuts which are on either side of the brake pedal arm. Use a deep socket to remove the nuts, then pull the booster from the firewall.

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    1986 blazer power brake booster leaking on firewall inside the cab???

    you should replace the booster and master cylinder. With brake fluid there ,the diaphram in the booster will be damaged .

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    Press brake pedal several time to exhaust pressure from accumulator, Clean dirt from hydrulic line connections at booster and at master cylinder.Disconnect hydraulic lines from booster and plug all openings. Note; in most cases it is not necessary to disconnet master cylinder brake lines to remove booster.Remove and support master cylinder.Disconnect booster push road from brake pedal. remove booster to firewall nuts from inside vehicle.Remove booster and gasket

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