Question about 1994 Pontiac Grand Am

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1996 Pontiac Grand Am. Front brake issue

1996 Pontiac Grand Am. Just replaced front brake pads, routers, and calipers, yet it still seems like the brakes will not release so that I can drive. Best way to describe it. I've stopped the car. Most cars, you take your foot off the brake pedal and the car rolls forward. Mine does not. What is still wrong. Also, at each stop, smoke is coming out from under the driverside wheel well.

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If you had a mechanic replace all those parts correctly (no air bubbles), the problem may be a blockage in the break line. What you can try is buy about a half gallon or so of brake fluid and a large disposable bucket or bowl and get a friend to help you.

Remove the brake line from the caliper that is giving you the problem (smoke) and place the line in the bucket. Open the brake fluid resivoir and make sure it is full. Have your friend pump the pedal (with the engine and key OFF) all the way to the floor a few times, refilling the brake fluid as needed. After you have done this until you think all the fluid has been replaced, replace the line to the caliper. You should find a small "nipple" that looks like it should be connected to something, but it may not be. This is the bleeder valve.

With the engine still off, have your friend pump up the brakes until they are stiff and hold pressure on the brake pedal while you loosen this valve to allow any air to escape, then tighten the valve back before repeating the process. Making sure that all the air is out of the lines and caliper may take a lot more brake fluid and you can still use the bucket to prevent making a mess.

Don't forget to dispose of the used brake fluid properly. Most auto mechanics will take in the used fluid (motor oil too) and recycle it for you.

If this doesn't solve your problem, have a mechanic check the master brake cylinder and lines to the brake caliper and replace any lines that may be blocked. You can also have them just replace the lines to that caliper if you don't want to make a mess and get a little dirty! :)

I hope I could help narrow down your problem and help you get it fixed. Good luck and don't forget to rate! Thank you.

Posted on Mar 01, 2009

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  1. Drain 2?3 of the brake fluid from the front reservoir. Use the bleeder screw at the front outlet port to drain the fluid. If equipped with anti-lock brakes, relieve the system pressure.
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  8. Using a piece of mechanics wire, support the caliper so there is not tension on the brake hose.
  9. Remove the brake pads from the caliper. Fig. 2: Installing the inward brake pad on the front caliper pistons - 1999-01 Grand Cherokee 93026g92.gif
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  10. Position the brake pads onto the caliper.
  11. Position the caliper into place on the anchor.
  12. Coat the caliper slide pins with silicone grease and torque them to 21-30 ft. lbs. (29-41 Nm). Install the slide pin bushing caps.
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  14. Fill the master cylinder with fluid and bleed the brake system.
  15. Before driving the vehicle, pump the brakes several times to seat the pads.
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Rear
  1. Drain 2?3 of the brake fluid from the front reservoir. Use the bleeder screw at the front outlet port to drain the fluid. If equipped with anti-lock brakes, relieve the system pressure.
  2. Raise and safely support the vehicle.
  3. Remove the wheels.
  4. Insert a small prybar through the caliper opening and pry the caliper (using the outboard brake pad) to bottom the piston in the caliper bore. NOTE: This will back the brake pads off of the rotor surface to facilitate the removal and installation of the caliper assembly.
  5. Pry the caliper support spring out of the caliper.
  6. Remove both caliper slide pin bushing caps and slide pins.
  7. Lift the caliper from the anchor.
  8. Using a piece of mechanics wire, support the caliper so there is not tension on the brake hose.
  9. Remove the brake pads from the caliper. Fig. 3: Installing the inward brake pad on the rear caliper piston - 1999-01 Grand Cherokee 93026g95.gif
    To install:
  10. Position the brake pads onto the caliper.
  11. Position the caliper into place on the anchor.
  12. Coat the caliper slide pins with silicone grease and torque them to 21-30 ft. lbs. (29-41 Nm). Install the slide pin bushing caps.
  13. Install the caliper support spring in the top of the caliper under the anchor; then, install the other end into the lower caliper hole. NOTE: Hold the spring in the caliper hole with your thumb while prying the spring end out and under the anchor.
  14. Fill the master cylinder with fluid and bleed the brake system.
  15. Before driving the vehicle, pump the brakes several times to seat the pads.
  16. Install the wheels.

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Rear To Remove:
Rear disc pads R&I gm-09-00-492.gif

  1. Inspect the fluid level in the master cylinder reservoir. Remove fluid from the reservoir until the level is lower then half way between the MAX and MIN levels.
  2. Remove the tire and wheel assembly.
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