Question about 1996 Chevrolet Lumina Mini

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No pressure in bakes

Brake pads, rotors, calipers all replaced & master cylinder

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  • Master
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Press down on the brake pedal then jam a piece of wood between the seat and the pedal so that there is a constant pressure on the system leave it for an hour or so and check to see if the pedal has dropped.

If it has you have a leak .

You can also try the following

Re-bleed the system starting from the furthest point from the master cylinder, use new fluid , the old stuff will have air in it from the previous bleeding

Posted on Oct 09, 2009

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Either there is a leak in brake system or you have to bleed your brakes.

Posted on Oct 08, 2009

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  • Contributor
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Tom is that with the engine running or off

Posted on Oct 21, 2012

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2 Answers

Power steering is winding and drakes are sticking


There are at least 2 items that will cause your problem. The first is when you changed the pads you place the caliper in a different place on the support pins that the caliper slides on to centralise the brakes on the rotor. These mounting pins are prone to rusting up and actually keeps one pad on the rotor as the caliper cannot centralise during brake application. The second is a problem that occurs when the brake fluid is pushed back into the master cylinder reservoir from pushing the piston back into the caliper. Muck in the lines is pushed back into the compensating ports in the Master cylinder causing the brakes to drag and build up pressure from the heat generated by having the brakes on. Try flushing out the brake system using metholated spirits or replace the master cylinder

Dec 01, 2013 | 2004 GMC Savana

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Rear pad removal?


Here ya go! This is for the rear brake pads removal:

Removal & Installation
  1. Remove the brake master cylinder filler cap. Check brake fluid level in brake master cylinder reservoir. Remove fluid until brake master cylinder reservoir is half full.
  2. Raise and support the vehicle.
  3. Remove the wheel and tire assembly.
  4. Inspect the brake pads for wear or contamination. If worn, damaged or past specification, install new components.
  5. Remove the caliper pin bolts.
  6. Remove the rear disc brake caliper.
  7. Remove the brake pads and rail clips.
  8. Inspect the disc brake caliper for leaks. If leaks are found, disassembly is required.
  9. Installation is the reverse of removal. Observe the following torques:
    • Caliper bolts: 27 ft. lbs. (36 Nm)
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May 12, 2011 | 2002 Ford E350

1 Answer

How can I change the rotors and brakes on a 2006 Cadillac?


Front brake
Step 1: Identify Front Disc Brake Components
brake_pads_rotor.jpg
Front Wheel Drive Brake Assembly
Most front disc brake components include: brake rotor, brake pads, brake caliper, caliper mount and brake flex hose. Brake service usual occurs between 20,000 and 40,000 miles depending on driver habits, road conditions and brake pad/ rotor materials used.
Step 2: Remove Brake Caliper to Replace Pads
brake_pad_set.jpg
Removing Brake Caliper Mounting Bolts
Locate primary caliper mounting bolts; apply wrench pressure counter-clockwise (When looking at the head of the bolt) to remove the bolts, upper and lower. Make sure the bolt threads are in good shape and replace if necessary.
Step 3: Remove Front Brake Caliper
remove_brake_caliper.jpg
Remove Front Brake Caliper
After removing the primary caliper mounting bolts lift the brake caliper off of the rotor and then tie or secure to the side, being careful not to bend or kink the brake caliper flex hose. Thoroughly inspect brake caliper and brake hoses for leakage, cracks or chaffing and replace as needed. Next remove the brake pads (If not mounted in the caliper) and secondary caliper mounting bolts. Notice how great protective gloves work, most technicians use them on the job today.
Step 4: Remove Brake Pads
remove_brake_pads.jpg
Remove Front Brake Pads
Once the brake pads have been removed, make sure if there is anti rattle hardware to transfer to the new brake pads. Some brake pad manufacturers will include the proper lube (Caliper slides) and anti-rattle hardware to ensure proper performance of their product.
Step 5: Remove Caliper Mount
remove_brake_pads_holder.jpg
Remove Caliper Mount Bracket
Finish removing secondary caliper mount bolts and remove caliper mount. Note: clean and lube caliper slides and pad friction surfaces of all foreign material or build-up.
Step 6: Remove Brake Rotor
brake_rotor.jpg
Remove Brake Rotor
With the caliper mount out of the way you can now remove the brake rotor. Sometimes it can get stuck so you may need to tap it with a hammer or use penetrating oil to free it up. Some manufacturers use small screws to hold the rotor on as well. Clean and inspect wheel studs, replace if any are damaged. Also clean bearing hub rotor mount surface to ensure the proper mounting of the new brake rotor. Inspect the ABS sensor wheel for cracks or damage and replace as needed.
Step 7: Depressing the Brake Caliper
compress_caliper.jpg
Resetting Brake Caliper
To install the new brake pads you must retract the brake caliper piston. Remove the master cylinder lid or open the brake caliper bleeder screw to allow excess brake fluid to be released if necessary. Install C clamp tool and gently tighten clamp until caliper piston is fully depressed. Note: use old brake pad to protect the caliper piston. Close the bleeders once the piston is retracted completely
Step 8: Installing New Brake Rotor
new_brake_rotor.jpg
Install Brake Rotor
Install new brake rotor, the new rotor is manufactured with a protective film over the rotor to keep it from rusting, remove protective film with brake cleaner before installing; also after the brake job is complete you may experience a small amount of smoke from the rotor when first used. This is normal and will go away after the first couple of uses.
Step 9: Installing New Front Brake Pads
new_brake_pads.jpg
Installing New Brake Pads
Reinstall the front brake caliper mount, and then install front brake pads. Make sure the pads are seated properly in the caliper mount; it must be a close fit to work properly..
Step 10: Reinstall Front Brake Caliper
front_brake_rotor_pads.jpg
Re-Install front Bake Caliper
Reinstall front brake caliper and reinstall caliper-mounting bolts, recheck all mounts and mounting bolts. Check the caliper slides to be sure there is no bind and that the caliper moves freely back and forth on the caliper slides. Bleed brake system per manufacturer's specifications to relieve any air trapped in the system. Before driving the vehicle, push the brake pedal down and let it up slowly, repeat until normal brake pedal operation resumes, this operation is forcing the brake pads to travel to the brake rotors.

Dec 18, 2010 | 2006 Cadillac STS

1 Answer

How do you replace the front and rear brakes in a 2003 pontiac Grand Prix


Removal & Installation Front To Remove:
  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.
  3. Install 2 wheel nuts to secure the rotor on the hub.
  4. Remove the bottom brake caliper pin bolt.
  5. Pivot the brake caliper body upward and secure out of the way. Do NOT disconnect the hydraulic brake flexible hose from the caliper.
  6. Compress the piston back into the bore using a C-clamp. Figure of brake assembly with caliper raised showing brake pads in mounting bracket gmpc_l4.gif

  7. Remove the inboard and outboard brake pads from the brake caliper bracket.
To Install:
  1. Install the brake pad retainers and both brake pads into the caliper bracket.
  2. Pivot the brake caliper down over the brake pads and into the brake caliper bracket. Insert the lower brake caliper pin bolt and torque bolt to 70 ft-lb. (95 Nm).
  3. Reinstall the tire and wheel assembly.
  4. Lower the vehicle.
  5. Refill the master cylinder. Pump the brake pedal several times to seat the pads against the rotor.
  6. Check the master cylinder level and add fluid as necessary.
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.
  3. Install 2 wheel nuts to secure the rotor on the hub.
  4. Remove the upper caliper mounting bolt.
  5. Pivot the caliper down to access the pads.
  6. Remove the inboard and outboard pads from the caliper bracket.
  7. Remove the brake pad clips from the caliper bracket.
  8. Compress the piston back into the bore using a C-clamp and the old inner pad.
To Install:
  1. Install new brake clips in the caliper bracket.
  2. Install the inboard and outboard pads in the caliper bracket.
  3. Pivot the caliper up over the pads.
  4. Reinstall the upper mounting bolt and tighten to 32 ft. lbs. (44 Nm).
  5. Remove the 2 wheel nuts securing the rotor.
  6. Reinstall the tire and wheel assembly.
  7. Refill the master cylinder. Pump the brake pedal several times to seat the pads against the rotor.
  8. Check the master cylinder level and add fluid as necessary.
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Aug 26, 2010 | 2003 Pontiac Grand Prix

1 Answer

Brake pad replacement 2004 audi a4 and rotor how do i do and what tools are neccessary?


YOU NEED REMOVE A LITTLE BRAKE FLUID FROM MASTER CYLINDER.THEN YOU RAISE VECHICLE SAFELY.SUPPORT IT WITH JACK STAND.MAKE SURE VECHICLE IS ON LEVEL SOLID GROUND.REMOVE TIRE OR WHEEL.THEN YOU NEED A LARGE C - CLAMP.PLACE C - CLAMP OVER BRAKE CALIPER AND BRAKE SHOE BACKING.TIGHTEN C - CLAMP JUST ENOUGH PUSH CALIPER PISTON BACK IN CYLINDER BORE TO REMOVE CALIPERS FROM ROTORS.TO REMOVE BRAKE CALIPER YOU NEED 2 OPEN AND BOX END WRENCHES ONE TO HOLD CALIPER SLIDE PINS AND THE OTHER WRENCH FOR LOOSEN CALIPER BOLTS.THEN YOU REMOVE CALIPER AND REPLACE FRONT BRAKE SHOES.IF YOU NEED TO REMOVE BRAKE ROTORS JUST REMOVE THE BRAKE CALIPER CARRIER SUPPORT BOLTS THE REMOVE THE BRAKE CALIPER CARRIER SUPPORT THEN REMOVE ROTOR.YOU NEED TO REPLACE BOLTS WITH NEWS AND USE LOCK TIGHT.THEN YOU PUT IN NEW BRAKE PADS IN CALIPER PUT CALIPER BACK ON SUPPORT CARRIER.REPLACE WITH NEW BOLTS USE LOCK TIGHT THEN TORQUE BOLTS TO 26 FT LBS.MAKE SURE MASTER CYLINDER COVER IN PLACE.WHEN YOU FINISH REPLACING BOTH FRONT BRAKE PADS PUMP BRAKE PEDAL TO SEAT BRAKE SHOES AGAINST BRAKE ROTORS SO YOU WILL HAVE FIRM BRAKES WHEN YOU APPLY THEM. THEN CHECK YOUR BRAKE FLUID LEVEL IN MASTER CYLINDER MAKE SURE ITS NOT LOW. MAKE SURE YOU HAVE FIRM BRAKES BEFORE DRIVING.IF YOU HAVE ANY PROBLEMS CHANGING FRONT BRAKE PADS YOU CAN GO TO ANY AUTO PARTS STORE AND BUY A HAYNES REPAIR MANUAL.

Jun 16, 2010 | 2004 Audi A4

1 Answer

Good afternoon, I have a Skoda Fabia Combi 1.4 TDI...


It can be the wheel Hub bearings. The rotors if warped will wear out pads early. Bad calipers are another possibility as well as a bad Master cylinder.

If the Hub bearings are bad your tires will have cupping. If the tires are okay the rotors are warping from contact with the pads. The pads won't release if the calipers are jamming OR the Master Cylinder is keeping pressure to the calipers.

You can get a pressure check done on the Master cylinder to see if the pressure is releasing when your foot is off the brake. If the pressure is releasing then the calipers are probably sticking. Make sure to use new brake hardware and a lubricate for the hardware when you assemble the calipers.

May 16, 2010 | Cars & Trucks

2 Answers

Brake pedal go down all way new rotors pads reaer


SOUNDS LIKE MASTER CYLINDER SEALS ARE GONE. REPLACE MASTER CYLINDER WITH NEW OR REBUILT UNIT.

Jan 27, 2010 | 1997 Chevrolet K1500

2 Answers

How do I replace rear brake pads on a 2004 Olds


find out what tool you need to remove bolts for the caliper(2) once you get the bolts out remove caliper. next step remove old pads.then you will need a c clamp to compress piston on the caliper back in then get new pads and install them on caliper easy fix reinstall caliper on to rotor and put bolts back in just observe how the caliper came off

Jan 10, 2010 | 2004 Oldsmobile Alero

2 Answers

I can't even think how you would get a c clamp in there? Any other tricks to getting that done cause it's kicking my ****!


Removal & Installation
  1. Before servicing the vehicle, refer to the precautions section.
  2. Remove or disconnect the following:
    • Wheels
    • Pad retaining clip
    • Cap from the bottom caliper bolt
    • Lower caliper mounting bolt and swing the caliper up
    • Brake pads
To install:
  1. Press the caliper piston back into the cylinder using tool 49 0221 600C.
  2. Install or connect the following:
    • Outer pad to the mounting support and inner pad to the caliper
    • Caliper. Torque the caliper lower mounting bolt to 19–22 ft. lbs. (25–30 Nm). Install the bolt cap.
    • Retaining clip
    • Wheels
  3. Pump the brake pedal several times to seat the pads.
6c5d395.gif
Press the front caliper piston back into the cylinder—Mazda3

Oct 13, 2009 | 2005 Mazda 3

1 Answer

Pistons in both front calipers stay out, both calipers replaced


You may have a leak in the booster or master cylinder. You can put a pressure tester on the system to test for leaks. It does sound like you have an air leak.
You can try to bleed the master cylinder, then slave cylinder, then brake lines.

Aug 24, 2009 | 1993 Oldsmobile Achieva

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