Question about 1996 Chevrolet Cavalier

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Brake pressure lost all pressure when press on brakes, have to tap the brakes to stop, nothing is leaking when I look, please help? I have the same problem but have checked the brake fluid and it seems to be holding in the system, but I still get no brake pressure. No evidence of it leaking anywhere either. The brakes need to be replaced, I know that...could worn brakes cause a loss of pressure somehow?

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  • Master
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Yes, when your brakes are worn the extra heat can boil your brake fluid and put ait and moisture into the system, which will give you no or a soft pedal. you need to replace the worn brake pads and rotors, flush and bleed the brake system- you should always change your brakes before they get totaly bad, you are risking your own life and everyone elses by driving with bad brakes. hope this helps you and good luck.

Posted on May 25, 2009

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  • Chevrolet Master
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Your brake master cylinder has failed, the internal seals of the cylinder atre leaking, see attached for repair and replacement intrustions for master cylinders.
http://autorepair.about.com/od/fixityourself/ss/MC_replace.htm

Posted on May 25, 2009

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1 Answer

I lost all brake pedal pressure on my 2003 Chevy Express Van.


You never pump brakes-- for any reason

Certainly not when bleeding them,makes no sense
& does nothing

Check all brake tubing for leaks

Check reservoir for fluid being low
Never remove the cap unless your adding
to bleed brakes,as you let air in

Brakes have to be bleed every 2 years, to remove
moisture,adjust PH,remove copper,etc

Check for fluid leaking behind the master
Would be running down in front of the booster

Check ABS Fuse

Check for ABS Codes-need professional scanner,
for enhanced codes

Check all four corners for a caliper or wheel cylinder leak

I'm guessing you have a rusted out brake tube

Have to fabricate 80% of all the lines, I would say,
because of rust

Oct 08, 2014 | Cars & Trucks

2 Answers

How do you know that a brake booster is bad?


Booster problems are rare but they do go bad sometimes.
A bad booster generally causes the brake pedal to feel hard to push down, and a lot of pressure on the brake pedal is required to make the car stop.
Rarely, a vacuum brake booster will develop a vacuum leak, which can cause engine performance problems, hissing or whistling noise, as well as requiring increased pressure on the brake pedal to stop.

The first test:
With the vehicle parked, turned OFF, and the parking brake set, pump the brake pedal 5 to 6 times. If the pedal gets harder to push after several times, your booster is probably good.

The second test (To make sure):
After the test above, without making any changes, press and hold the brake pedal with light to moderate pressure.
Now with your foot still on the brake pedal, start the vehicle.
If the booster is good, you will feel the pedal go down when the engine starts.

Hope this helps!

Jun 21, 2014 | 1993 Cadillac DeVille

2 Answers

My 1993 chev cheeyyne 4x4 brake light came on and break peddle lost pressure ,i have no fluid leaks could this be the master brake cylinder ,currently the truck is working fine this problem has occoured...


You can have a bad master cylinder without any fluid loss, because the leak can be back up into the reservoir.
But with a 1993, the master cylinder is 18 years old, and moisture has been bound to have collected in the brake fluid over that time.
A new master is only about $75, and a good investment.
Remember to bleed the air out if it before tighting down the lines, in order to make the final bleeding easier. For the final bleed, start with the furthest bleeder valve.

Jun 25, 2011 | Chevrolet C2500 Cars & Trucks

3 Answers

I just had the brakes done on my 92 firebird about 5 months ago now my brake light came on yesterday and I have to push the brake to the floor to stop. Whats wrong with it?


either fluid level is low or you need to check the sensor located in the master cylinder. Master cylinder can also be bad.

Apr 05, 2011 | 1992 Pontiac Firebird

1 Answer

My brakes wont stop the car refilled brake fluild but brake pedal still is too loose what is the problem?


you may have a bad caliper leaking if you had to add fluid. you have lost the pressure in the brake system to stop the vehicle.

Feb 14, 2011 | 1986 Chevrolet El Camino

1 Answer

I lost nearly all break pressure while driveing my brake and ABS light turned on. So I bleed the brakes and the truck seemed to be working fine then 5 days later i again lost all break pressure with all...


does the truck have rear drum brakes on the rear? if so then the fluid is leaking out of the rear wheel cylinders. or the master cylinder is leaking fluid into the brake booster.

Jan 12, 2011 | 1999 Dodge Ram

1 Answer

My brake lights stay on after I turn off the car


Hello,

If the light is on all the time, it could mean you simply forgot to release the
parking (emergency) brake. The brake warning light remains on when the brake is set
as a reminder. If the brake warning light remains on when the parking brake is
released, then something is amiss.

In some cases, the brake warning light may remain on if the switch on the parking
brake pedal or lever is misadjusted. Nothing is wrong with the brakes and a simple
adjustment should fix the problem.

If the brake warning light comes on when you apply the brakes,
or is on continuously, it means that hydraulic pressure has been lost in one side
of the brake system or that the fluid level in the master cylinder is dangerously
low (due to a leak somewhere in the brake system).
In either case, the fluid level in the master cylinder should be checked.
Adding brake fluid to the master cylinder reservoir may temporarily solve the
problem. But if there's a leak, the new fluid will soon be lost and the warning
light will come back on.

Brake fluid leaks are serious because they may cause the brakes to fail!
So avoid driving the vehicle until the system can be inspected to determine what's
wrong. Leaks can occur in brake hoses, brake lines, disc brake calipers,
drum brake wheel cylinders or the master cylinder itself.
Wet spots at hose or line connections would indicate a leak that needs to be fixed.

Leaking brake fluid can also contaminate the brake linings,
causing them to slip or grab. The uneven braking action that results may cause the
vehicle to veer to one side when the brakes are applied. Brake shoes or pads that
have been contaminated with brake fluid cannot be dried out and must be replaced.

Hope this helps.

Dec 17, 2010 | 2001 Volvo S80

1 Answer

Ford 1998 F-150. Brakes overhauled 6 mos. ago. Hwy/City driving percentage: 90/10. I was driving on the freeway this morning, cruise control on, when the abs and brake light lit suddenly. I tapped...


With the sudden loss in brake pressure, and the light on, I would check the fluid level and if its low, suspect a brake fluid leak, that may be the burning smell, maybe leaking near a exhaust pipe? You dont mention where you are, but if its NORTH and salt is used to get snow off the roads, brake line failures are real common.

Nov 02, 2009 | 1998 Ford F150 Regular Cab

1 Answer

Brake pressure


Hi I am Vortash no pressure has got to mean the loss of oil somewhere .. but you may not see it if it is soaked up by mud or has blown clear of the vehicle while you where traveling .. check your reservoir and see if the levels have dropped .. this fault is usually due to leaking Master Cylinder Seals .. ( the oil could be inside the car with this in the servo or in the actual car ) Broken pipe split or rusted , brake cylinder seals .. worn pads would explain why it leaked so quickly and why you cant see evidence of oil ..if it is the rear cylinder and if the pads are low .. but first check is the reservoir .. it is a sealed system so theoretically it should never become empty ...... Regards Vortash

May 20, 2009 | 1999 Dodge Ram

3 Answers

Braking system: 1980 Ford F-100 (doesn't work)


You need to bleed the brake lines.....I can tell you how if need be.

Apr 26, 2009 | 1981 Ford F 100

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