Question about 1999 GMC Sierra

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, now i have bled many braking systems before, im curious if theres something to do with the vacuum module or what.. anyways if you could shed some light on this it would be appretiated. thanks

Posted by on

2 Answers

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • GMC Master
  • 959 Answers

When bleeding brakes ( or any hydrolic system) you should always start at the point furthest from the master cyclinder... (Rear right wheel on a 99 chevy truck).

Posted on Sep 28, 2010

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Top Expert:

    An expert who has finished #1 on the weekly Top 10 Fixya Experts Leaderboard.

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

  • GMC Master
  • 75,005 Answers

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.

Posted on Sep 28, 2010

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

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

1 Answer

What special tool is need to bleed brakes on 1999 gmc sierra? Had to replace all lines due to rust. I can only get the front driver side to bleed. The brake peddle is like steeping on steel. ...


You can actually bleed each caliper at the brake line connection to the caliper...you will need someone to depress the brake pedal, or you can borrow the auto bleed brake pedal tool from your local auto parts store...sounds like you can fix this yourself...the symptom says..."air in lines"...Hope this helps.

Feb 21, 2011 | 1999 GMC Sierra

1 Answer

My brakes are going all the way to the floor of the vehicle. I have a new brake line and My brakes are still good.


try bleeding you brakes,go from rear to front,check rear wheel cylinders also.











TIM............

Oct 22, 2010 | 1992 GMC Sierra

1 Answer

Drivers side rear brake locks up on severe braking, then releases and I have no brakes


If you are dealing with ABS brakes you probably have a bad wheel cylinder on that wheel and air in the line. Replace the wheel cylinder and bleed the system.

Aug 26, 2010 | 1989 GMC Sierra

1 Answer

I am having a problem bleading my 2000 grand pris brakes. check all the brake line no leaks but when i bleed the brabe pedal coes to the floor. i have also bleeb frunt to rear and rear to frunt.


This is a two person job. You have one push the brake pedal to the floor and hold it there. Then the other opens the bleed valve until brake fluid comes out. Close the bleed valve and have the other person release the brake pedal. Repeat. Continue doing this on each brake bleed valve until there is no more air coming out of the lines at each bleed valve just a solid stream of fluid. Fill master reservoir back up with brake fluid as needed through the process. You bleed from farthest to closest meaning from rear to front.

Aug 04, 2010 | 2000 GMC Sierra

1 Answer

1997 GMC Sierra 5.7 changed master cylinder calipers and brake pads. I have a hard pedal until I turn the truck on and the pedal goes to the floor? Is there something I am missing? I have bled the brakes...


check under your master cylinder,is there another clyinder below with one line in and one line out,if you do I found this is for the Abs to the rear,I had to replace this it was full of air,and did exactly what yours is now

Dec 06, 2009 | 2003 GMC Sierra 1500

1 Answer

Hard to push brake pedal down to stop.


1. Check brake fluid level and look for leaks in the brake lines and at the calipers.
2. Bleed the brake fluid completely and replace with fresh fluid (google search: how to bleed brakes). Then bleed air by having someone press the brake pedal 4-5 times, then press and hold while you open the bleed valve and close when fluid streams out. start with the rear wheel (if 4wheel disc brakes) then move to the front.
3. Replace Master Cylinder (sorry, but if 1 or 2 didn't fix it, this is the last option) This is usually over $150, and will involve step 2 again when completed.

Good luck, hope this helps.

Sep 29, 2009 | 1996 GMC Sierra

1 Answer

Leaking brake line(drivers side)


The hose is only maybe 15- 20 bucks depending on if its a 2wd or 4wd. I don't know what a brake shop will charge. They will just have to bleed all brakes and replace 1 line. a 4 wheel brake bleed is usually around 40 - 50 bucks, plus the labor to change the hose. This happens when stupid retarded brake guys change the pads and let your calipers hang by the hose. Thats the most common reason. However if one side is cracking bad and leaking, then it would be best to replace both sides and check the rear distribution block hose.

Jun 20, 2009 | 1994 GMC Sierra

1 Answer

Dash brake light flashes


check rear wheel sylinders for moister. an indicator for a leak. replace it then bleed brakes. refill resivore should be fine then. check front calipers also or leaking line.

Feb 10, 2009 | 1991 GMC Sierra

Not finding what you are looking for?
1999 GMC Sierra Logo

596 people viewed this question

Ask a Question

Usually answered in minutes!

Top GMC Experts

yadayada
yadayada

Level 3 Expert

74945 Answers

Freddy

Level 3 Expert

1311 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22095 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...