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Installed 4 new rotors, 1 caliper and master cyclinder, can't get pressure for brakes

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Have someone pump up the brakes and hold to the floor open the bleeder on the caliper you changed when brake fluid comes out close. you might have to do this a few times until all air is out make sure you keep the brake fluid filled when doing it.

Posted on Aug 05, 2010

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1 Answer

Could the master cyclinder be going out if I apply brakes and get a bumping like a rotor problem


Bumping like,problem?You are probably describing a ABS problem,check the tire pressure and tire size

Dec 15, 2012 | 2005 Chevrolet Malibu LS

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

Replace rear brake pads 2006 Chevy Impala


Hello, to replace the rear brake pads follow the following steps:

1. Lift the Chevy Impala with the jack and place it on jack stands.
2. Remove the wheels with a lug-nut wrench and set them aside. The lug-nut wrench can be found in the trunk of your Chevy Impala.
3. Remove the caliper with a ratchet and use a bungee cord to hang the caliper. Do not let the caliper hang from the brake hose, as the hose might break and cause fluid to leak.

4. Remove the brake caliper bracket from the steering knuckle with a ratchet. Set it aside.

5. Remove the break rotor from the hub. The rotor might require force to be removed; if it does, use a hammer to hit the rotor in the center, where the lug studs are located. Take care not to hit the studs.

6. Remove the new rotor from its packaging and use brake cleaner to remove the grease from the rotor. Grease is applied on the rotor in the factory to inhibit rust during storage.

7. Install the new rotor onto the hub.

8. Install the caliper bracket with new brake pads onto the rotor and fasten it to the steering knuckle. Use a ratchet to tighten the bolts.
9. Open the master cylinder reservoir so you don't break a seal while compressing the brake caliper.

10. Compress the brake caliper with a C-clamp, so that the caliper can fit over the new brake pads. Install the caliper by securing it to the brake caliper bracket with a ratchet.

Thanks


























Jul 19, 2010 | 2006 Chevrolet Impala

1 Answer

How to change front brake pads on 2003 Chevy Suburban


Disc Brake Pads for Suburban 1500 Removal & Installation Front To Remove:
Front caliper mounting bracket 93086g95.gif

  1. Remove the cover on the master cylinder and siphon out 2/3 of the fluid. This step prevents spilling fluid when the piston is pushed back into the caliper bore.
  2. Raise and support the vehicle safely.
  3. Remove the wheel and tire assembly.
  4. Compress the brake piston back into its bore using a C-clamp.
  5. Remove the 2 caliper mounting bolts. Lift the caliper off the rotor.
  6. Remove the inboard and outboard pad.
  7. Remove and discard the anti-rattle clips.
To Install:
Caliper bracket sleeves 93086g97.gif

  1. Thoroughly inspect, clean and lubricate all caliper slide points, bolts and hardware.
  2. Install new anti-rattle clips.
  3. Position the inboard and outboard pads into the support bracket
  4. With the 2 pads in position, place the caliper over the brake rotor and align the holes in the caliper with those of the mounting bracket.
  5. Install the caliper mounting bolts through the sleeves in the inboard caliper ears and into the mounting bracket.
  6. Tighten the mounting bolts to: 80 lb. ft, (110 Nm).
  7. Install the tire and wheel assembly. Lower the vehicle.
  8. Add fluid to the master cylinder reservoirs so they are 1/4 in. (6.35mm) from the top.
  9. Test the brake pedal by pumping it to obtain a hard pedal. Check the fluid level and add fluid as necessary.
Rear To Remove:
  1. Remove 2/3 of the brake fluid from the master cylinder.
  2. Raise and safely support the vehicle.
  3. Remove the wheel and tire assembly.
  4. Remove the brake caliper mounting bolts. Suspend the caliper from the frame with mechanic's wire. Do not allow the caliper to hang from the brake hose.
  5. Remove the brake pads from the caliper mounting bracket.
  6. Remove and discard the anti-rattle clips.
Rear brake caliper 93086g96.gif

To Install:
  1. Install new anti-rattle clips.
  2. Position the brake pads to the caliper mounting bracket.
  3. With the 2 pads in position, place the caliper over the brake rotor and align the holes in the caliper with those of the mounting bracket.
  4. Install NEW caliper mounting bolts. Tighten to: 30 lb. ft, (40 Nm).
  5. Install the wheel and tire assembly.
  6. Lower the vehicle.
  7. Refill the master cylinder to the proper level with fresh brake fluid. Pump the brake pedal slowly and firmly to seat the brake pads. Burnish the brakes as needed.
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Jul 05, 2010 | 2004 Chevrolet Suburban

1 Answer

I have a 2001 Pontiac Aztek. My brake pedal goes all the way to the floor. I have had new brakes and rotors replaced on the front and a new master cyclinder. Still same problem. My brake fluid has always...


Was the brake system bled after the master cylinder was installed?

After anyh brake work is performed, particularly with disk brakes, you have to pump the system up to get the calipers reset. Start engine, pump the brake pedal several times, and you will begin to feel the brakes come back up, assuming everything else has been properly repaired.

Let me know what you find.

Dec 14, 2009 | 2001 Pontiac Aztek

1 Answer

Changing 4 calipers and there is no oil com out when try to bleed


The master cylinder supplies the pressure to the brake fluid that travels between the maste brake cylinder resevoir and the brake caliper pistons (through the brake lines. If the master cylinder fails there will be insufficient compression of the brake fluid to make the calipers operate as designed. Leaks in the brake lines and/or cylinders is a possibility, and unrelated to functionality of the master cylinder. Also, pistons located in the brake calipers can form a corrosion ring on their inside walls if there is breakdown in the brake fluid or moisture that gets into the lines. Operating the vehicle when there is insufficient brake fluid in the master cylinder resevoir can also lead to air getting into the brake lines, causing bad working brakes. Air compresses more than brake fluid, and the master cylinder isn't designed to compress air in the brake lines. Sounds like a bad case of "lack of maintenance", as opposed to bad advice from the mechanics. That said, there's no excuse for bad installation. But, it's tough to improperly install a brake line since they are nothing more than hollow metal tubes. There should be no rubber connectors installed in the brake lines. When bleeding the brake lines one must remove all of the trapped air before you will see any fluid appear. If the valves in the master cylinder are not properly operating the master cylinder will not allow the brake fluid to get into the brake lines.

Hope this helps.

Jun 13, 2009 | 1999 Volkswagen Passat

1 Answer

How to pull the caliper off to change the pads on 1993 mercedes 300d


Line the bottom of the master cyclinder with paper and cloth.
Loose the master cyclinder cap
GENTLELY push the piston back.
the level of the brake fluid will rise on the master cyclinder.
Slip the pads in
Close up the master cyclinder
Do a quick clean up.
=====
IF the rotor is in GOOD shape then you will not need to pull the caliper off.
The caliper is hold down by hex head bolts.

Feb 19, 2009 | 1993 Mercedes-Benz Mercedes Benz 300 Class

1 Answer

98 DODGE NEON NO BRAKE PRESSURE


If it has not leaked anywere else and it has not came out the line then the system still needs bleeding. Start at the fartherest from the master cylinder which would be the right rear.

Feb 02, 2009 | 1998 Dodge Neon

1 Answer

How to tell if the Brake Master Cyclinder is bad on 1991 VW Golf. About 4 months ago new front and rear brakes installed by repair shop. Front got both, new calipers, both new pads, both new rotors. ...


you can tell if the break master cyclinder is bad, if you don't have any break action or peddle to the floor, break is sticking, or any other break related symtom, not normal to your daily driving.

Oct 15, 2008 | Volkswagen Golf Cars & Trucks

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