Question about Chevrolet C1500

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My brake light came on and brake fluid leaking somewhere on drivers side rear wheel and brake pedal soft going to floor, what causes this?

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Youhave eather a brake line failure or if you have drum brakes in the rear your Brake cylinder might be bad eather way dont drive this car before its been repaired

Posted on Aug 20, 2010

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My break pedal goes to the floor


There are several causes for the brake pedal going to the floor:
- Broken seals in brake`s principal pump.
- Broken seals on rear brake's cylinder. (big lieak on wheel)
- Worn rear brake shoes, making seal travel out of cylinder. (big leak on wheel)
- Leak on tubings.
- Empty brake fluid deposit.

Nov 10, 2013 | 2001 Hyundai Accent

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1991 buick park avenue brake problem had busted brake line on drivers side rear brake so i fixed it then bleed the brakes.aint getting no brake fluid comming out of the passenger side rear so took of the...


Hi Chris, The brake system is basically very simple. If you have duel braking on your vehicle, the usual method is having two brakes operate on the front with for example the left rear and the other system will also operate two front and the right rear. This type of system will have two calipers on each of the front wheels. The tandem system works in a slightly different way, having the forward part of the cylinder pressurizing the rear brakes and the rear part of the cylinder pressurizing the front. I think under the circumstances you are describing, I would have a friend sit inside and pump the brakes repeatedly until the system becomes pressurized (maybe twenty thirty times of pumping the brake pedal) and then ask him or her to keep it pushed firmly down until you find out where its leaking. The amount of brake fluid you report having been sed would indecate a severe leakage. Check the lower parts of the rear wheels for signs of leaking wheel cylinders and then dito for the front wheels. Any signs of wetness at these areas and along the brake system (the plumbing or pipe work) will indicate where the leakage is. If you cannot identify a wheel which is leaking, carefully inspect around and blow the master cylinder and if this no sign go along the fluid lines, taking special note of where the damaged pipe was repaired. If there is a blockage in the line, air may be trapped at that point causing difficulty in pressurizing. Once the place of leakage has been identified it must be attended to before bleeding the system. When bleeding, begin with the wheel furthest from the master cylinder, and work your way back to the master cylinder one wheel at a time, until you reach the closest.Keep in mind that you may find it required to pump the pedal many many times before opening the bleed nipple.Regards John

Oct 29, 2011 | 1991 Buick Park Avenue

1 Answer

The brake does not work , there are times when it become soft an goes directly to the floor. it does not maintain preasure


If the ABS lights aren't on, then usually it is a normal brake problem.
Could be a faulty master cylinder, might be fautly/leaking wheel cylinders if it has a drum brake rear.
Disk pads might be worn right down and need replacing.
Have someone to pump the brake pedal while you look under the car from the front and rear, look at the inside of both left and right tyres near the bottom. If you see fluid then the brakes are leaking.
The flexible brake lines might be perished and swelling, this will often cause the pedal to go flat to the floor.

Aug 01, 2011 | 2005 GMC Envoy

1 Answer

1996 Dodge Dakota - Brake pedal became very soft . checked brake fluid ,it was seriously low ,added fluid ,now brake light & abs light stay on and the brake pedal is extremley soft.


You have a leaky brake line somewhere. You will need to find and repair it. If you don't see any lines that are wet, you may have to pull the rear brake drums to check the wheel cylinders. They can also start to leak but are not as likely as a line. If your truck is a standard it's possible that your hydraulic clutch uses the brake master cylinder as a resevoir so check that line as well. A soft pedal would suggest that isn't the problem but if the fluid was low enough air could get into the lines. Hope this helps.

May 22, 2011 | Dodge Dakota Cars & Trucks

1 Answer

I have a 1981 Corvette and my pedal has to be pumped to get a hard pedal.The Brake Master cyl. has been changed twice in 5 days the brake fluid level remains full.The brakes have been bled 5 times and on a...


First check each wheel brake cylinder for small leaks. If no leaks then the brakes have not been bled properly. Liquid will not compress like air, thus the reason pumping the pedal makes the brake pedal come up. If you had all of the air out of the lines then you pedal would not be soft. With your pedal going to the floor either there is air in the lines or fluid is slowly leaking.If it is a small leak on one of your wheel cylinders, it may be hard to detect without pulling the wheels off and looking. Small leaks on your wheel cylinders may never drip off of the car.

Dec 09, 2010 | 1981 Chevrolet Corvette

1 Answer

My brake pedal is on the floor and the brake fluid continuously goes low. It seems like the vacuum pressure never builds to keep the pedal off of the floor. Any ideas?


You will need to carefully inspect the entire brake system for leaks. Inspect the front calipers, rear wheel cylinders, all the hoses, the back of the master cylinder, and steel lines. If something looks wet or drips brake fluid it is leaking. If you haven't seen any brake fluid dripping from under the car my first thought is that the rear wheel cylinders are leaking.

If the pedal went to the floor and you didn't have to add fluid than you would more than likely have a bad master cylinder but since you are adding fluid there is a leak somewhere.

Nov 12, 2010 | 1992 Toyota Camry V6

1 Answer

Brakes have a mushy to floor response


usually an indicator of either a loss of pressure due to low fluid and/or air in the system (brake fluid leak) or extremely worn rear brakes (if drum brakes in rear). possible causes include master cylinder (internal fluid pressure leak), external fluid leaks (calipers, lines, wheel cylinders), rear drum brakes extremely worn down or severely out of adjustment. normally worn disc brakes may reduce pedal height SOME, but seldom "to floor". but the "mushy" quote combined with the "floor" quote suggests a hydrolic fluid pressure problem.

Sep 13, 2010 | 2005 Ford Taurus

1 Answer

My abs & brake lights go on & off brake pedal seems soft brake fluid - ok, no leaks, has new brake lines, slamming on the brakes locks 'em up. no abs, right? 2000 gmc jimmy 4.3


Sounds like you might have air in the brake system. You will need to bleed the brakes to remove air. Start with the passenger back wheel. use a small hose and submerge the end in a glass bottle filled 1/3 full of brake fluid. The other end goes on the nipple of the brake bleeder. Have someone pump the brakes and then hold the pedal down then loosen the bleeder. then tighten the bleeder. you should see bubbles in the brake fluid. Keep repeating this procedure until you see no bubbles. You might have to put as much as 1 quart of brake fluid thru each wheel to remove air. Then you do the driver side rear followed bypassenger side front and finally driver side front

Aug 11, 2010 | 2000 GMC Jimmy

2 Answers

Brakes


It sounds like you have air in the brake line(s). You need to bleed your brakes and that should fix your problem.

Sep 24, 2009 | 1984 Jeep CJ7

2 Answers

VR-4 Auto 1996/97 with spongy brake pedal


if you have not fitted brake pads to it [as these can take time to bed in ] and give the pedal a soft and extra travel feeeling you have air in the brake system the simple check to do is look behind all your wheels see if you can see brake fluid sepping down the back plates or any damp patchs which would inply there is a problem if not pick your bonnet up have a look around your master cylinder to see if theres any sign of a leak that was the easy bit if you can,t see anything you will have to take the wheels off to find out what is leaking don,t forget if you change one of the seals or calipers or cylinders on that axle change the other side yates210456

Sep 29, 2008 | Mitsubishi Passenger Cars & Trucks

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