Question about 1992 Chevrolet Lumina

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I have a 92 chevy lumina 3.1 v6 we are trying to change the power brake booster. my quastion is is theie a specail tool to get to the four nuts behind the booster??

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Those four nuts are loosened from inside the car, above the brake pedal. They are regular nuts, no special tools required besides a ratchet and proper size socket.

Posted on Sep 28, 2010

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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

2 Answers

Brakes


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

Jul 07, 2013 | 1998 GMC Jimmy

1 Answer

Brake booster removal from 1995 chevy trk


You might be able to unbolt the master cylinder from the front of the booster and move it out of the way without taking any of the brake lines off. If not then just remember your gonna have to bleed the brakes after your done. the booster is held on by four nuts that are screwed onto studs that will stick out of the firewall on the INSIDE of the cab. Look high and behind the brake pedal. Once the four nuts are out and the pedal is disconnnected, the booster will pull out from the engine side.

Jul 02, 2011 | Chevrolet C1500 Cars & Trucks

2 Answers

My 1992 chev lumina apv van stalls everytime i put on the brakes at every red light it restarts after no codes are coming up what could it be?:


check to make sure the power brake booster is not leaking, do this by starting the van and just let it idle in park and push the brake pedal if the engine stalls or surges or you hear a sucking noise under the dash then replace the power brake booster if there is none of these systems then replace the idle control motor. GOOD LUCK

Mar 08, 2011 | 1992 Chevrolet Lumina APV

1 Answer

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.

Jun 27, 2010 | 1998 Chevrolet K1500

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

How do you change the high pressure hose that comes from the pump to the steering wheel ? I cant get to the nut,,,Hope I don't half to take off the power booster


if you can't get to the nut from underneath taking off the power booster isnt hard. there should be three or four bolts on the inside of the car above the brake pedal.

Aug 04, 2009 | 1995 Chevrolet Lumina

1 Answer

92 chevy lumina dies when braking hard also the cruise control doesn't hold speed. Both of these happen only after 1/2 hour of driving


It sounds like a faulty check valve, it is located inline with the cruise control vacuum line or the vacuum brake booster vacuum supply line.

Jul 15, 2009 | 1992 Chevrolet Lumina

1 Answer

Need to replace a brake booster on a 1998 chevy cavalier


get ready for some work.you need to remove the master cylinder nuts that hold master cylinder to brake booster.once you remove nuts you have 2 choices remove master cylinder to remove booster. to keep from bending brake lines.or you can leave master cylinder in pull it toward you easily careful dont bend lines .disconnect vacuum line at booster .go inside vechicle to floor on driver side loosen four nuts on floor to booster .disconnect power brake push rod from brake pedal .dont force pushrod to the sides when disconnecting it.remove four booster nuts then remove booster.when in stalling the new booster loosely install four nuts then connect the push rod to the brake pedal .install new clip tighten the booster unit .if you decide to remove master cylinder use inline wrenches on master cylinder to remove lines.also plug the master cylinder brake line holes to keep from losing all brake fluid.

Apr 26, 2009 | 1998 Chevrolet Cavalier

1 Answer

Brake booster i want to replace it where do i start


remove retaining clip and slide the power brake push rod off the brake pedal pin, then remove booster to firewall nuts. installation is in reverse order.

Oct 19, 2008 | 1996 Chevrolet Lumina Mini

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