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Problems bleeding brake lines in 2005 Chevy Trailblazer can't get rid of air bubbles

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6ya6ya
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Posted on Jan 02, 2017

protek480
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SOURCE: 1997 Chevy 1500 pickup 2wd

One of the wheel cylinders is leaking, pulling air back into brake system and it's going back to the4 master cylinder. Look for brake fluid leaking at one of the wheel cylinders, that's where the problem is.

Posted on Oct 10, 2009

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angelo_mlc
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SOURCE: Having trouble bleeding brake lines

Hi. First you need to gravity bleed the left caliper or wheel cylinder, if you replaced a large section of line it will take longer to bleed. If you ran it low on brake fluid until the brake pedal was on the floor, then you may have damaged the master cylinder, and will need to replace it in order to bleed the brakes.

Posted on Sep 04, 2010

  • 4088 Answers

SOURCE: bleeding air out of brake line after changing

Bleed the longest line first, then progressively shorter lines. Make sure you are using the correct technique in bleeding--be sure the master cylinder is always full, then pump the pedal several times in quick succession and hold pressure while your assistant opens the bleeder valve slowly and lets it drain until your foot is to the floor. Hold your foot until the bleeder is again closed, then repeat the process. Don't reuse the expelled fluid. Hope this helps!

Posted on Sep 19, 2010

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2 Answers

Bled brakes on my 1999 chevy blazer still goes to floor


this is an indication that there is still air in the system and the bleeding process was inefficient. Bleed the lines at the master cylinder first by loosening off the lines and holding the pedal down until the lines are retightened. Then starting at the longest line first bleed the system finishing at the shortest line . Keep the fluid level in the reservoir topped up at all times.

Apr 21, 2014 | 1999 Chevrolet Blazer

1 Answer

Rear caliper on 2005 Ford F150 not releasing, replaced both rear calipers, now pedal goes to the floor - no brakes at all. What can/should i do?


Sounds like it still has some air in the system or a bad master cylinder. First try bleeding all air, there is definitely some air left in the lines and this is most probably causing the problem. Bled the lines at the bleeder screws on the calipers. ---------- There is air left in the brake line.Any time the brake system is opened to replace brake lines, caliper, pads etc etc.Mostly the air enters the system, and that air has to be completely bleed.Otherwise the same symptoms , what you are getting will be noticed.-------- Brakes can be bled manually, with a power bleeder, injector tool or vacuum bleeder.IIt does not make any difference which method you use as long as all the lines and components are flushed with enough fluid to remove any trapped air bubbles or air pockets.----
The most common bleeding procedure is to bleed the brake furthest from the master cylinder first, then bleed the other brake that shares the same hydraulic circuit (which may be the other rear brake on a rear-wheel drive car or truck, or the opposite front brake on a front-wheel drive car or minivan). After these have been bled, you then bleed the other brake circuit starting with the furthest brake from the master cylinder.--------- When the complete air is bleed from the line, the brake should be firm when car is on.In your case brake brake pedal is loose and goes almost to the floor when car is ON.This is due to Air in the line.Get the complete air bleed from brake line.------- This will help.Thanks.Helpmech

Sep 07, 2011 | 1998 Ford F150 Regular Cab

3 Answers

My brakes are going to the floor


Hi, the likely cause is a leak that has used all the fluid in the reservoir and drawn air into the system. You will need to find the leak, repair it, and then bleed the whole system of air. Likely places for the leak are at the back of the master cylinder or at any of the 4 wheels. It is possible to draw air without a leak if your front brakes are extremely worn. If this is the case, replace the front brake pads and bleed only the front wheels. Please let me know if you have questions or need instructions, and thanks for using FixYa.

May 09, 2011 | 2005 Dodge Neon

1 Answer

My 2003 chevy trailblazer has expierenced a soft brake pedal for the past two years. The vehicle will brake when pedal is applied however when stopped you can push the pedal to the floor. I have replaced...


Sounds like you have air in one or more brake lines. All four brake lines needs to be bled to get all air no matter how little air is in them. Recommendations use two people to do this one in vehicle one at the wheel you are bleeding. Loosen bleeder,attach a rubber tube that fits tight around fitting, get a glass jar, (I use a baby food jar) put a little brake fluid in jar so the tube doesn't **** back in air, slowly apply brake and watch air bubbles in jar, do this until no more air bubbles come out. You must do this on all four wheels to be effective. If this doesn't work there is a leak somewhere. Lines, caliper, or wheel cylinder.
Happy Motoring!!!!!!

Mar 21, 2011 | Chevrolet TrailBlazer EXT Cars & Trucks

1 Answer

I changed the front pads on my 05 trailblazer i did not have a c clamp so i took the break line off the caliper now when i tried to bleed the breaks with the bolt on the break line i only get a stiff pedal...


Have you checked your Master Cylinder to ensure that it's full of fluid? If it is empty the best way to bleed the brakes in that case would be to add fluid and then break the caliper bleeders loose and let gravity do its thing. Gravity bleeding is the best way to make sure you don't trap air in the brake system. Make sure you keep the master cylinder full of fluid while gravity bleeding. Run approx 2 reservoirs full to make sure that you have no more air in the line! And you should be done.
Also, the vehicle does not need to be running to gravity bleed.
Good luck!

Feb 06, 2011 | 2005 Chevrolet TrailBlazer

1 Answer

How to replace a master brake cylinder on a 1989 oldsmobile 88 delta


First thing you need to do is bench bleed the new master cylinder.new master should have come with 2 plastic tubes and fittings.screw fittings into new master,fix tubes to fittings other end in to top of master where fluid goes.fill with fluid make sure the tubes are submergered in brake fluid for entire process.take a screwdriver and press plunger in rear of master.use short slow strokes to start you will see air bubbles in resovoir.slowly increase length of stoke watchin resovoir till no mome bubbles.now ready to install.Remove failed master,(loosen lines befofe removing mounting bolts)remove lines last.reinstall new master then remove bleeding tubes last install and tighten lines.Fill fluid replace lid,have a helper sit in car,loosen lines about half a turn.Have helper depress brake pedal slowly and hold down pedal untill lines tightened.when tight release pedal and repeat 5/6 times.fluid should come out of lines without any air when bled propperly.if failed master did not run out of fluid uyou should be finished.if pedal still soft/mushy will have to bleed a wheels also.use same proceedure but openening bleed screws not lines.may take many times to get rid of all air,you can see and hear the air exiting bleeders.keep an eye on fluid level while bleeding if u run out you are starting again

Jan 24, 2011 | Oldsmobile 88 Cars & Trucks

1 Answer

1997 Chevy 1500 pickup 2wd v8, stepping down on brake bubbles master cylinder checked all lines checked all wheels and bleed ABS system, still have bubbles. Master cylinder is new. Any ideas?


One of the wheel cylinders is leaking, pulling air back into brake system and it's going back to the4 master cylinder. Look for brake fluid leaking at one of the wheel cylinders, that's where the problem is.

Oct 10, 2009 | 1997 Chevrolet K1500

2 Answers

93 chevy lumina the brake lines aren't getting fluid


Open the bleeder screws on your brake, and stick a gas line hose on the bleeder screw. Put the other end in a clear bottle of brake fluid, and pump the brake till all the air bubbles quit coming out. Then tighten the bleeder. If no bubbles come, you may have a faulty master cylinder.

Jun 06, 2009 | 1993 Chevrolet Lumina

1 Answer

Masterclinder


You have one or more problems. Leaking wheel cylinders, leaking master cylinder, air in the brake lines of a combination. When you bleed the brakes, bleed them in this order with a positive pressure brake fluid container. Right rear, left rear, right front left front. If you bleed them on any other order, you will just push the air around in the system. Bleed until no bubbles come out.

Nov 15, 2008 | 1996 Chevrolet Monte Carlo

2 Answers

Replaced master cylinder


bleed system of all air. easiest way is get a glass jar fill it some with brake fluid for no air .. (air bubbles fluid is sucked in when pumping) with 1 hose dipped in fluid in glass jar

Aug 01, 2008 | 1991 Honda Civic

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