Question about 2005 GMC Sierra 2500HD 4WD

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How do i bleed rear brakes on a 2005 gmc 2500

Changed brake line - everything tight - how do i bleed the air out

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Tech Jenkins
  • 359 Answers

SOURCE: 1999 GMC Sierra brake problem

When you change the master cylinder it is best to gravity bleed first, then proceed to the pedal technique.

Gravity bleeding is when you just open the valve and let gravity pull the fluid down.

Keep in mind you must "prime" the master cylinder first before installing it, did you do that?

Priming the master cylinder is where you put it in a vise gently, you then take apaptors and screw into the outlets, then take tubes from the adaptors back into the resoirvor. You fill the resorvoir up with fluid and take a 3/8 extension for a socket and push the piston in and out slowly until there are no more air bubbles.

After this procedure you gravity bleed the brakes, then go on to the pedal technique.

Posted on Sep 04, 2008

USfalcon
  • 175 Answers

SOURCE: 2003 sierra rear brake rotors

there is many kind of brake system of ur truck here i will send u everything about the brake and i hope its help

Rear Brakes JC3

Rotor Discard Thickness* 18.50 mm/0.728 in Rotor Minimum Allowable Thickness After Refinish 19.0 mm/0.748 in Rotor Thickness (new) 20.0 mm/0.787 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring 1.50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
Rear Brakes JC4

Rotor Discard Thickness* 28.50 mm/1.122 in Rotor Minimum Allowable Thickness After Refinish 29.0 mm/1.142 in Rotor Thickness (new) 30.0 mm/1.181 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring1 .50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
Rear Brakes JH2

Rotor Discard Thickness* 28.50 mm/1.122 in Rotor Minimum Allowable Thickness After Refinish 29.0 mm/1.142 in Rotor Thickness (new) 30.0 mm/1.181 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring 1.50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
Rear Brakes JH6

Rotor Discard Thickness* 27.50 mm/1.082 in Rotor Minimum Allowable Thickness After Refinish 28.0 mm/1.102 in Rotor Thickness (new) 29.0 mm/1.141 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring 1.50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
Rear Brakes JH7

Rotor Discard Thickness* 28.5 mm/1.122 in Rotor Minimum Allowable Thickness After Refinish 29.0 mm/1.142 in Rotor Thickness (new) 30.0 mm/1.181 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring 1.50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
* All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this Specification. After refinishing the rotor, replace any rotor that does not meet the minimum or discard thickness specifications.

Posted on Mar 15, 2009

  • 6982 Answers

SOURCE: bleeding rear drum brakes

Take a small drill bit and clean out the center hole of both bleed screws (make sure you get all the way down into the hole, but don't go into the metal at the end.) Then, spray a good solvent into holes and on threads. Give some time for the solvent to soak in.
Put a six point box wrench on the bleeder then tap on the end of bleeder with a hammer. Keep doing this till it comes loose when turning the wrench. Don't use excessive force but don't be afraid to use enough force to get it to turn. Doing this, you will crush the tip of the bleeder, but that will not harm the "business end" Don't use vise grips on bleeders. At best you will damage flanks of nut portion, at worse, you will snap them off. Once you have removed bleeder, clean all rust off, make sure passageway is clear and re-install. If you do manage to break a bleeder, they can be drilled out, but it must be done carefully...if you damage threads or end seat it's officially junk. Bleeder screws are usually available at most parts stores...and, wheel cylinders are not very expensive if you need to replace one. Hope this helps!

Posted on Mar 25, 2009

dennymulford
  • 1055 Answers

SOURCE: 1998 GMC Sierra (C1500) 5.0L 305 V8-right rear brake line

i dont know of any recall for that
and yes it can be replaced without removing the bedeasy wasy too do it is go too auto zone and buy a roll of brake line and run it along side of the old one and just leave the old one in the hangers and use tie straps too hang the new one!!!

Posted on Apr 20, 2009

  • 1 Answer

SOURCE: need picture diagram of rear brake shoe

I need pictures for 1998 gmc sierra k2500 rear bkake shoes.

Posted on Jan 05, 2010

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1 Answer

I had new brakes installed on my 2005 Kia Sorento and now the brake pedal seems softer. I have to push it almost to the floor to brake.


Sounds like the rear brakes are not adjusted - may not be tight enough.
You could also have air in the lines.

Aug 15, 2012 | 2005 Kia Sorento

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Brake pedal soft after changing pads and bleeding brakes


You will need to bleed the brake system. I would start with the rear brakes lines and work towards the front.You must have key off engine off when bleeding brakes, apply pressure on brake pedal 10 times and hold. The brake line is now ready to be open. Open and let the stream of fluid come out and close the line tight. Then release brake pedal once bleeder screw is close. This procedure must be repeated twice front and back. After, brakes have been bleed pump the brake pedal before putting in drive.
Note: Don't let the resevoir run low on brake fluid. This will cause air bubbles to accumulate on the brake system. Always top off before opening bleeder screw.

Nov 21, 2011 | 1992 Chevrolet Corsica

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I changed the brakes on my 2004 GMC Envoy. Everything is good accept the service brakes light is on and won't turn off. How can I turn it off?


Do you have a good brake pedal, does it hold when pushed? Is the ABS light on too?
There may be air in the brake lines, there may be dirt in the lines. Have you tried bleeding the system?

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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

1 Answer

Soft brake pedal on 1990 GMC Sierra. Replaced master cylinder, rear shoes are almost new, front pads are good.


if master replaced sounds like air still in lines rebleed the brake lines start with passenger rear than driver rear -pass front -than driver front last..before bleeding check rear brake shoes are adjusted correctly

Aug 10, 2011 | 1990 GMC Sierra

3 Answers

After putting on new calipers on both sides of my dodge ram 2005 1500 and bled brakes I have no brakes. What is the problem they worked fine until I did the caliper and brake


Did you bleed rear brakes also? Should do all 4 whenever bleeding brakes starting w/ right rear, left rear, right front then left front. Sounds like air in lines.

Mar 22, 2011 | 2005 Dodge Ram 1500

1 Answer

I just changed rear brakes and rotors and now I have no brakes. What's the problem


Try pumping the brakes...this is necessary after re-positioning the brake pistons...You either have a brake line leak...or your master cylinder is bad...try bleeding each side to remove any trapped air...be sure to recheck brake fluid level after bleeding...you can bleed at the brake line connection to each side...on each rear caliper...Hope this helps.

Feb 21, 2011 | 2005 Chevrolet Malibu

2 Answers

Hello sir.. i am bleeding the brakes in my 99 gmc sierra, i have replaced all the brake lines minus the two lines in the rear that route to a t, now from past this all the lines are new, everythings tight,...


U need a special tool that holds the poppet valves open in the ABS hydraulic control unit to bleed the brakes of air, without it u CAN'T get the air out of the system.

Sep 28, 2010 | 1999 GMC Sierra

1 Answer

Brake pedal goes to floor i have already changed mastercylinder and bleed brakes no waring lights are coming on new brake have been installed


sounds like air in the line. Did you start your bleed at the right rear.If you replaced the M/C you have air in the line.Get a helper and pump the brakes until all of the air is out , starting at right rear.It may take a few tries to get all the air out , but with new everything it is this or a leak. Was the master C. new or rebuilt. Check all 4 wheels for any sign of a leak. If no leaks and you bleed all the air out maybe your master cylinder is bad.

Jun 19, 2010 | 2003 Chrysler Town & Country

1 Answer

Replaced master cylinder 3 times air in brake line after a few weeks only front right brake


I am not sure what secquence you used when bleeding the air from the lines. But just to give you a little help if your not sure. Start at the back left, rear passenger side, next= rear right,rear drivers side, then passenger side front, and lastly drivers side front. Also ckeck and make sure all fittings are tight before moving on to the next.

Dec 07, 2009 | 2005 Chrysler Sebring Conv

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