Question about 1991 Pontiac Grand Prix

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Cannot get brake fluid to bleed at rear brakes. Rebuilt master cylinder and replaced all brake lines. 1991 grand prix gtp

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How are you bleeding it ?

Need engine running and a helper

Posted on Mar 17, 2011

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We're is the bleeding screw on the master cylinder on a 1999 Plymouth Grand Voyager


The master cylinder doesn't have a bleeding screw. Bleeding screws are located on each front caliper and the rear drum brakes. You'll need an assistant to press the brake pedal down on signal as you open the bleed screw slightly and close it back before they allow the pedal to return to normal position each time, until you've purged it through with new clean fluid. Fill up the master cyclinder frequently as you do this to assure it doesn't run dry. (If it does the master cylinder may be toasted.) Remember bleeding these types of cars is different than many others as it has dual lines, one for each side of the car. the bleed order is: LR, RF, RR, LF to get all the air out of the lines properly. Brake should be replaced every two years in humid or wet climates as brake fluid is hygroscopic... attaches to water vapor and stays in the braking system.

May 29, 2015 | 1999 Plymouth Grand Voyager

2 Answers

My 2000 Grand Prix the brake pedal just went to the floor. What is wrong :(


It could be that your brake fluid reservoir is empty. You might also have a crack in the line.

Mar 08, 2015 | 2000 Pontiac Grand Prix GTP

2 Answers

Brake booster


are you getting a spongy feeling & no brakes? first answer these questions & it may solve your problem as boosters rarely fail


Did you bleed the brakes?


Did you bench bleed the master cylinder ? if not you can bleed the brakes for a year and never get a pedal.


to bleed the master remove it from the car just the master not the booster. clamp it good in a vise ,you should have gotten a bleeder kit with the new one , 2 hoses and a couple of fittings, find the fitting that fits, tighten it hand tight attach the hoses to the fittings and place the other end of the hoses in the master below the fluid line ,take a phillips screwdriver and pump the plunger on the master untill you see no more bubbles, leave the hoses attached intill you reinstall it. attach the brake lines and bleed the brakes starting with the passenger side rear , the driver side rear , passenger front ,driver front, in that order. good luck.

Sep 14, 2012 | 2001 Pontiac Grand Prix

1 Answer

Have an 89 festiva changed 5 master cylinders and still cant bleed front driver and rear pass wheel and also changed distribution block 3 times. i cant bleed it rite from the front port of the master...


Section 06-06: Hydraulic Brake System 1992 Festiva Workshop Manual GENERAL SERVICE OPERATIONS Manual Bleeding
  1. Read Hydraulic System Bleeding General Information.
  1. Clean all dirt from the master cylinder filler cap.
  1. Fill the master cylinder with the specified brake fluid. During the bleeding operation do not allow the master cylinder to run dry.
  1. If the master cylinder is known or suspected to contain air it must be bled before the wheel cylinders or calipers. To bleed the master cylinder, loosen the front line fitting and have an assistant push the brake pedal slowly through its full travel. While the assistant holds the pedal, tighten the brake line fitting. After the line fitting is tightened, the assistant may release the brake pedal. Repeat this procedure on the rear brake line. Repeat the entire process several times to ensure all air has been removed from the master cylinder.
  1. Remove the bleeder screw cap from the appropriate rear wheel cylinder.
  1. Position a box end wrench on the bleeder fitting.
  1. Attach a rubber hose to the bleeder fitting. The hose has to fit snugly around the bleeder fitting.
  1. Submerge the free end of the hose in a container partially filled with brake fluid.
  1. Loosen the bleeder fitting approximately three quarters of a turn.
  1. Have an assistant push the brake pedal slowly through its full travel and hold it there.
  1. Close the bleeder fitting.
  1. Have the assistant release the brake pedal.
  1. Repeat Steps 9 through 12 until air bubbles cease to appear at the submerged end of the bleeder hose.
  1. When the fluid entering the bottle is completely free of bubbles, tighten the bleeder screw, remove the bleeder hose, and install the bleeder screw cap.
  1. Repeat Steps 5 through 14 at the appropriate diagonal front caliper.
  1. Check the master cylinder fluid level. If necessary fill it to the correct level with the specified brake fluid.
  1. Check pedal feel. If the pedal remains spongy, repeat the bleeding process or, if necessary, refer to Diagnosis and Testing in Section 06-00.

Jan 04, 2011 | 1991 Ford Festiva

1 Answer

How do i bleed the brakes on a 1999 Pontiac Grand Am?


Bleeding the Brake System
When any part of the hydraulic system has been disconnected for repair or
replacement, air may get into the lines and cause spongy pedal action (because
air can be compressed and brake fluid cannot). To correct this condition, it is
necessary to bleed the hydraulic system so to be sure all air is purged.

When bleeding the brake system, bleed one brake cylinder at a time, beginning
at the cylinder with the longest hydraulic line (farthest from the master
cylinder) first. ALWAYS Keep the master cylinder reservoir filled with brake
fluid during the bleeding operation. Never use brake fluid that has been drained
from the hydraulic system, no matter how clean it is.

The primary and secondary hydraulic brake systems are separate and are bled
independently. During the bleeding operation, do not allow the reservoir to run
dry. Keep the master cylinder reservoir filled with brake fluid.


  1. Clean all dirt from around the master cylinder fill cap, remove the cap and
    fill the master cylinder with brake fluid until the level is within 1/4 I n.
    (6mm) of the top edge of the reservoir.
  2. Clean the bleeder screws at all 4 wheels. The bleeder screws are located on
    the top of the brake calipers.
  3. Attach a length of rubber hose over the bleeder screw and place the other
    end of the hose in a glass jar, submerged in brake fluid.
  4. Starting at the right rear proceed in this order left front, left rear and
    right front.
  5. Open the bleeder screw 1/2 - 3/4 turn. Have an assistant slowly depress the
    brake pedal.
  6. Close the bleeder screw and tell your assistant to allow the brake pedal to
    return slowly. Continue this process to purge all air from the system.
  7. When bubbles cease to appear at the end of the bleeder hose, close the
    bleeder screw and remove the hose.
  8. Check the master cylinder fluid level and add fluid accordingly. Do this
    after bleeding each wheel.
  9. Fill the master cylinder reservoir to the proper level.


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Sep 21, 2010 | 1999 Pontiac Grand Am GT

1 Answer

Bleeding brakes 2000 suburban wsith ab


Why were the brake lines replaced?

Sounds like the mastercylinder may have run dry. You have to bench bleed the master and then DO NOT allow fluid to run low, while bleeding brakes...

if master cylinder runs low on fluid and air gets in, almost impossible to bleed with out releasing the lines and bleed master it self.

Sep 20, 2009 | 2000 Chevrolet Suburban

2 Answers

Brakes loose pressure no leaks in lines


(1) Hi, If you have drum brakes on rear you could check the wheel cylinders to make sure they are not leaking. (2) check the brake fluid to see if it has dropped below min if it has then you could have air in the sytem, (3) last thing now is the brake master cylinder faulty this is proberly the one.
Hope this helps you out.
George.

Jul 17, 2009 | 2000 Pontiac Grand Prix

1 Answer

Rear brakes wont bleed. Sucks fluid in when brakes applied. Has ABS.


try this. open the two bleeder screw at the rear calipers. leave it open untill the fluid drips generously. close the bleeder. try the brakes. if it works bleed it the nornal way. note: make sure you dont run out of fluid in the master cylinder

Jun 02, 2009 | 1991 Lincoln Mark VII

2 Answers

My 1994 buick lesabre's brakes will not work. I have low brake fluid and the brake pads were just replaced. My friend said that there was brake fluid leaking from the car and that I might need a master...


if you can see a good amount of wet brake fluid between the brake master cylinder and the brake booster. and you have been adding fliud often,you could have a bad master cylinder. it has to be replaced not rebuilt. you however may have a far more common problem, a rusted through brake line.have someone pump the brake pedal, than look under the car for a brake fluid leak ,repair as needed. than bleed the brakes for a good hard brake pedal
good luck chris

Mar 18, 2009 | 1993 Buick LeSabre

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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