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Replacing master cylinder and brake booster on my 1994 chevrolet c1500 1/2 ton p/u 2WD 4.3L 6 cyl didnt go well. I need online how TO step by step.

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Posted on Jun 27, 2014

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How to replace brake booster on 2005 Pontiac aztek


Step 1 - Locate the Brake Booster The brake booster is located adjacent to the master cylinder. There will be 4 mounting screws protruding through the booster. The booster is also attached to the brake pedal in the interior of the car. This is where you will start work in replacing the brake booster.
Step 2 - Remove the Brake Booster Start by locating the booster rod that goes through the firewall and is attached to the brake pedal on the interior of the car. Typically, there is a cotter pin that secures the rod to the pedal, but there may also be nuts. When removing any fasteners in the course of this job, make sure to retain the nuts, cotter pins, and various other fasteners as the new brake booster will not come with replacement fasteners.
Remove the fasteners, whether it is a cotter pin or nuts. Slide the rod off the brake pedal. Disconnect the vacuum brake line that connects to the booster. In the engine compartment, there are four bolts securing the booster to the master cylinder and firewall. Loosen and remove these nuts. Remove the nuts (there are usually 2 in addition to the 4 that have already been removed) that secure the brake booster to the master cylinder. Wiggle the brake booster away from the master cylinder. There is a seal between the two. You will need to keep this as the new part does not generally come with another one. Remove the brake booster.
Step 3 - Install the New Brake Booster Set the new brake booster on the four mounting screws. Tighten the nuts on the bolts to the master cylinder. Insert the push rod through the firewall. Start these by hand so that the threads are not ruined. Reattach the vacuum hose, then the nuts to the 4 mounting screws. Reattach the push rod to the brake pedal by whatever means it was originally secured with, whether by cotter pin or by bolts.
Step 4 - Bleed the Brakes You will need to bleed the brakes after replacing the brake booster

Jul 11, 2016 | 2005 Pontiac Aztek

1 Answer

Step by step instructions for replacing brake booster on a 1999 Toyota Camry


its my pleasure to answer your question how to replace the brake booster :
1 With the engine off, step on the brake pedal several times to relieve the brake booster of vacuum.
2 Press the brake pedal down and start the engine. Verify that the brake pedal sinks slightly. Turn off engine.
3 Remove the vacuum hose from the brake booster.
4 Remove the brake lines from the master cylinder. Remove the master cylinder from the brake booster. Plug the fittings to prevent brake fluid seepage.
5 Disconnect the brake pedal from the push rod.
6 Have an assistant hold the brake booster from inside the engine compartment. Remove the nuts that hold the brake booster to the firewall. These nuts are usually located under the dash on the interior of the firewall.
7 Remove the brake booster.
8 Install the new brake booster to the firewall. Tighten the mounting nuts.
9 Connect the push rod to the brake pedal.
10 Connect the vacuum hose to the brake booster.
11 Attach the master cylinder to the new brake booster and reconnect the brake lines.
.12 Bleed the brakes at the master cylinder.

Oct 04, 2013 | Cars & Trucks

1 Answer

Step by step instructions for changing my brake booster


Remove only the two nuts that secure the master-cyl. to the booster NOT THE FLUID LINES and tie the master cylinder carefully out of the way.Then remove the four nuts under the dash that secure the booster to the fire wall.Not forgetting the booster push-rod connection to the brake pedal.Remove the clip and the pin and now the booster should be free to come out.There are torque specs. for tightening the nuts when replacing if you have a torque wrench.Refer to Haynes manual from auto shop
Also I think the brake booster push-rod is adjusted at the factory but if it isn't it may need adjusting otherwise you could find youre getting overheating brakes after the installation.

Apr 09, 2013 | Buick LeSabre Cars & Trucks

1 Answer

Have to replace my master cylinder and just not sure how to sepparate the linkage from the brake peddle


When replacing a brake system master cylinder you do not need to mess with the peddle that I know of. There should be two bolts on the master cyl. to unbolt it from the booster. You do not give Model or year, but the internal rod linkage will stay put as you remove the master cyl. It is best to get out as much fluid as you can, (old turkey baster). As brake fluid will ruin auto paint quickly. Remove any wires and brake lines, unbolt it from the booster and shes out. Hope this helps Fix Ya up.

Jul 16, 2011 | Chevrolet Silverado 1500 Cars & Trucks

2 Answers

When i step on my brakes u hear a loud air noise and they are hard to stop


You need to replace the pads or u have a hose or line busted which immediatly needs to be replaced.Hope this helps and Thank You for asking.

Jul 19, 2010 | 1994 GMC Jimmy

1 Answer

How do i replace a power brake booster on a 97 ford taurus


  1. Step 1 Mark the brake lines coming into and out of the master cylinder using masking tape and permanent marker.
  2. Step 2 Orient the tube wrench so that it grabs the end of the nut by first sliding it over the brake line.
  3. Step 3 Pull the brake lines out of the master cylinder.
  4. Step 4 Unbolt the two bolts that hold the master cylinder to the brake booster.
  5. Step 5 Slide the master cylinder off the brake booster.
  6. Step 6 Remove the bolts that hold the brake booster to the firewall.
  7. Step 7 Remove the cotter pin from the pin holding the back of the brake pedal to the master cylinder.
  8. Step 8 Slide the brake booster to brake pedal pin out of the mounting bracket.
  9. Step 9 Pull the brake booster off the firewall.
  10. Step 10 Install the new brake booster. Installation is the reverse of removal.

Apr 24, 2010 | 1997 Ford Taurus

1 Answer

Any info on changing a brake booster on a 1996 Sierra and also help trouble shooting a master cy. Thanxlinder


a defective master has just one common symptom, a soft sinking pedal.
Instructions Things You'll Need:
  • Nose pliers
  • Ratchet and socket
  • Ratchet extension
  • Slip joint pliers
  • Wrench
  • New cotter pin
    Removing the Old Brake Booster
  1. Step 1 Park your car in a safe place with enough room to work around the front and driver side of the vehicle.
  2. Step 2 Locate the booster push rod connected to the brake pedal.
  3. Step 3 Remove the cotter pin securing the booster push rod pin to the brake pedal using a pair of nose pliers.
  4. Step 4 Release the push rod pin from the brake pedal and slide the push rod off the brake pedal.
  5. Step 5 Unscrew the four mounting nuts off the brake booster studs using a ratchet, ratchet extension and socket. You should be able to see the four booster studs extending through the firewall, in front of the brake pedal.
  6. Step 6 Disconnect the vacuum hose from the brake booster, working from the engine compartment. Use a pair of slip joint pliers.
  7. Step 7 Remove the two nuts holding the brake master cylinder to the brake booster. Use a wrench or ratchet and socket.
  8. Step 8 Separate the brake master cylinder from the booster just enough to make room for booster removal.
  9. Step 9 Pull the brake booster off the firewall and remove it from the vehicle.
    Installing the New Brake Booster
  10. Step 1 Set the new booster in place by sliding the push rod and four mounting studs through the mounting holes on the firewall.
  11. Step 2 Slide the brake master cylinder flange over the two mounting studs on the brake booster.
  12. Step 3 Start the two brake master cylinder mounting nuts by hand to avoid damage to the threads.
  13. Step 4 Tighten the two brake master cylinder mounting nuts using a wrench or ratchet and socket.
  14. Step 5 Connect the vacuum hose to the brake booster.
  15. Step 6 Screw the four mounting nuts to the brake booster working from inside the vehicle. Start the nuts by hand to avoid damaging the threads.
  16. Step 7 Tighten the four mounting nuts using the ratchet, ratchet extension and socket.
  17. Step 8 Position the brake booster push rod over the brake pedal and slide the push rod pin.
  18. Step 9 Install a new cotter pin to secure the booster push rod to the brake pedal

Nov 20, 2009 | 1996 GMC Sierra

1 Answer

2004 honda crv brakes are locking up, front right hydraulic line collapsed, had both front lines replaced, new front rotors the front right was scorched, new pads, new master cylinder was replaced, when...


check to see if the rubber bushing is on the master cylinder pushrod where it bolts up to the booster..if its missing and or doubles , it may cause u to lock ur brakes up..i had this problem where the tech didnt put one and or didnt remove one while installing the new master cylinders...there should only be one. most factory and aftermarket mast cyl come with one however techs sometimes for get to check the booster for the old one some assume its still there cuz they always almost get stuck in there..so they install the new master cyl.without one or with one and either they have none..or both...it only needs one...

May 11, 2009 | 2007 Honda CR-V

3 Answers

1994 ford explorer will not stop, I have replaced the brake pads,


My vote would be the Master Cylinder.
I had a truck sit for 4 years. After getting running again, it did the same thing you're describing. No brakes. I ended up replacing the Master Cylinder to fix the problem. Just make sure you bleed the system real good.

Mar 25, 2009 | 1994 Ford Explorer Limited

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