Question about 1997 Chevrolet Cavalier

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My girlfriend has 2000 cavalier and the brake pedal is goimg 2 the floor when u push brakes is it master cylinder

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Its either the master cylinder(most likely) or it could be the brake booster itself, if not the two obviouse check all four calipers or calipers and rear drums if so equipped for functionality and pad life, also check for cracks or leaks in line which allow air into the system which could also giv e you brake failure

Posted on Jul 12, 2009

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If there is no sign of fluid weeping from the pistons on the disc pads or a pool of fluid on the ground then it s a safe bet that the Master Cylinder rubbers have gone

I would still get it up on a ramp to check for leaks before you commit to that and I would check that all of the bleed nipples on the pistons will come free as you will need to pump fluid through the whole system after you have fitted the Master Cylinder



Posted on Jul 12, 2009

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Posted on Jan 02, 2017

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2 Answers

On a 97 gmc truck when you push the brake you can hear air from the brake booster into the cab of the truck and brake travels freely to the floor


When a vehicle is turned off, the brake pedal should remain firm. However, if the driver pushes the pedal lightly and it sinks to the floor, the master cylinder has an internal leak.

Feb 17, 2017 | GMC Cars & Trucks

1 Answer

THE BRAKES- PEDAL GOING TO THE FLOOR - FULL OF FLUID IN MASTER CYLINDER


That sounds like your cups that catch & push the brake fluid are worn out in the master cylinder, get a new master cylinder .

Jan 03, 2015 | Cars & Trucks

1 Answer

Clutch travel to the floor


the brake fluid has drain out of clutch master cylinder fill with brake fluid reservoir is next to the brake master cylinder. pump pedal if spongy then bleed system with a 2 ounce syringe at slave cylinder loosen screw and force fluid to the master this will push all the air out.

Apr 22, 2014 | 2002 Honda Civic

1 Answer

Replace mastercylinder'


The master cylinder in your Dodge Caravan is responsible for forcing fluid pressure to the four wheels when you apply the brakes. The master cylinder is also the main storage vessel for brake fluid. If the seals inside your master cylinder develop leaks, you will lose brake pressure internally. This could cause problems for the brake booster, as well as causing the brake pedal to sink to the floor when you press the pedal. The master cylinder can be replaced in about 30 minutes.
  • 1 Press the brake pedal a few times until you have a firm pedal.
  • 2 Open the hood and prop it up with the hood support rod. Locate the master cylinder, which is mounted to the brake booster on the bulkhead between the engine and passenger compartments, just in front of the driver. Spray the top area of the master cylinder liberally with brake cleaner. Push down lightly on the master cylinder filler tube and turn it counterclockwise to remove it.
  • 3 Locate the fluid-level sensor connector(s). There may be one or two sensors on your vehicle and they appear as wires, in a plastic housing, plugged into the side of the master cylinder. Remove each connector by depressing the locking clip and pulling straight out from the master cylinder.
  • 4 Remove the brake lines from the master cylinder by turning the fittings counterclockwise with the flare nut wrench. Gently pull the brake lines away from the master cylinder.
  • 5 Remove the bolts securing the master cylinder to the brake booster by turning the nuts counterclockwise with a socket and ratchet. Pull the master cylinder straight out, being careful to avoid spilling brake fluid on your vehicle's painted surfaces.
  • 6 Verify that the rubber O-ring seal is in place on the new master cylinder and then slide the master cylinder in place over the mounting studs. Thread the nuts onto the studs by turning them clockwise. Tighten the nuts to 18 foot-pounds. You may have to hold the booster actuator rod in position as you install the master cylinder.
  • 7 Fill the master cylinder with new brake fluid and thread the bleeder fittings into the brake line ports by turning them clockwise by hand. Install the rubber tubes onto the fittings and secure the tube ends in the master cylinder filler opening. Make sure the ends of the tubes are completely submerged.
  • 8 Depress the brake pedal a number of times, slowly and evenly, while a helper watches to ensure that no more air escapes from the bleeder tubes. Remove the bleeder fittings by turning them counterclockwise and carefully set them aside. Reconnect the electrical fittings by firmly pushing straight in until they click.
  • 9 Thread the brake lines into the proper ports by turning them clockwise by hand. Tighten the fittings to approximately 13 foot-pounds with the flare nut wrench. Have your helper press the brake pedal slowly and evenly five times and then hold it. Slowly crack open the front fitting by turning it a quarter-turn with the flare nut wrench and allow the brake pedal to fall to the floor. Have your helper hold the pedal on the floor as you tighten the fitting. Repeat this process until no more air bubbles appear. Repeat this process on the rear port.
    Retighten the fittings to 13 foot-pounds. Install the filler tube by placing it on the filler opening and turning it clockwise. Refill the master cylinder to the "Fill" mark or 1/4-inch from the top

Oct 05, 2011 | 2000 Dodge Caravan

1 Answer

I depressed brake pedal with parking brake on... it went to the floor & brake warning light went on... brake fluid appears okay. 1996 cavalier


If there's no leaks ( check back of tires ) your master cylinder is by passing, replace master cylinder and bleed brake system to get all air out of new master cylinder. ( bench bleed master cylinder first ).

Jan 08, 2010 | 1996 Chevrolet Cavalier

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 failure


I would bleed the brakes with a power bleeder.

Nov 02, 2008 | 1992 Chevrolet Cavalier

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