1979 Suzuki GS 750 E Logo
Posted on Aug 13, 2009
Answered by a Fixya Expert

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Front brake calipers clamping down on rotor

One or both of my front brake calipers are clamping down on the rotor not letting the front wheel turn on my 1979 Suzuki GS850 motorcycle. Is it probable it just needs a relatively cheap adjustment or a complete brake job? It's been gradually getting worse until the wheel won't turn at all now.

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  • Posted on Aug 13, 2009
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Joined: Jun 27, 2009
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Sounds like they need a damn good clean.
Corrosion eats away at the calipers, so strip them down & clean well. Be sure to remove the rubber boots as corrosion behind them grips on the shaft causing the caliper to not float & the brakes lock-on
If your wheel wont turn at all then hit the caliper bodies with a rubber mallet - dont hit the bleed nipple!!
Good Luck
Ride Safe
Bike-Doc

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Replace rear brake discs and pads

Depending on vehicle. Find level ground and park there. Put chocks in front and behind wheels not being lifted. Loosen lugs, jack up vehicle, set jack stands, lower vehicle on jack stands, remove lugs and wheel. Open hood remove brake fluid cap. Remove two bolts holding caliper, pull caliper off rotor disc and bracket, remove pads, place a used pad in front of caliper piston, use a c clamp to push caliper piston in caliper, remove c clamp and old pad, hang caliper up, remove 2 bolts holding caliper bracket, remove bracket, remove rotor, install new rotor, install caliper bracket, install new pads, install caliper, repeat this on other side, put cap back on brake fluid tank, remove bleeder fittings and keep pressing brake pedal until an even flow of brake fluid sprays out. Install bleeder fitting. Make sure brake fluid doesnt get on paint and is contained and disposed of correctly, top off fluid install wheels and raise car up remove jack stands, lower car and break in new pads
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How do i remove the brake caliper on a 1994 f350 4x4 there are no bolts attaching it

If this is a Pin Slider, here is 1996 steps:

Section 06-03: Brakes, Front Disc 1996 F-150, F-250, F-350 4x2, 4x4, Bronco and F-Super Duty Vehicles Workshop Manual
REMOVAL AND INSTALLATION Caliper
Heavy-Duty Rail Slider, F-Super Duty
Replace brake shoe and lining (2001) as follows when the lining is worn to a minimum thickness of 0.794mm (1/32 inch) above the front disc brake rotor shield. stj~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Always replace all brake shoes and linings on an axle. Never replace only one wheel (1007).
Removal
  1. To avoid fluid overflow when the caliper pistons are pressed into the caliper cylinder bores, siphon or dip part of the brake fluid out of the brake master cylinder reservoir (2K478). Discard the removed fluid.
  1. Raise the vehicle and install safety stands. Remove the front wheel and tire assembly.
  1. Place an appropriate size C-clamp on the disc brake caliper with end of clamp against caliper and end of screw against outer shoe. Tighten the clamp to bottom the caliper pistons in the cylinder bores. Remove the clamp. Do not use a screwdriver or similar tool to pry caliper pistons (2196) away from the front disc brake rotor (1125).




  1. Clean excess dirt from area around pin tabs.
  1. Tap upper caliper pin toward inboard side until pin tabs touch the front wheel spindle.
  1. Using Hydraulic Caliper Pin Remover D89T-2196-A or equivalent and a light hammer, drive the pin from the disc brake caliper as follows:
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    1. Tap the tool with the hammer to compress the retention tabs.



    1. As the retention tabs are compressed, move the tool to gain a straight approach to the caliper pin, and continue tapping to drive the caliper pin through the caliper/spindle groove.
  1. Repeat removal procedure for lower caliper pin.
  1. stj~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not let the disc brake caliper hang by the front brake hose (2078). The front brake hose could become stretched or twisted which can cause the front brake hose to leak and rupture, resulting in failure.
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Installation
stj~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Always replace all brake shoes and linings on an axle. Never replace only one wheel.
  1. NOTE: There is a raised section at one end of each shoe so installation can be made in one direction only.

    Install new inner and outer lining.
  1. Lubricate the knuckle upper and lower inner pad grooves and caliper grooves with Disc Brake Caliper Slide Grease, Silicone Dielectric Compound D7AZ-19A331-A or equivalent meeting Ford specification ESE-M1C171-A. Install the disc brake caliper on a front wheel spindle, making sure the mounting surfaces are free of dirt.
  1. stj~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not allow the tabs of the caliper pin to be tapped too far into the spindle groove. If this happens it will be necessary to tap the other end of the caliper pin until the tabs snap into place. The tabs on each end of the caliper pin must be free to catch on the spindle flanks.
    Position caliper pin with the pin retention tabs oriented adjacent to the spindle groove.
  1. Tap the caliper pin on the outboard end with a hammer. Continue tapping the caliper pin inward until the retention tabs on the sides of the caliper pin contact the spindle face. Repeat procedure for the lower caliper pin.


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Should the center spindle nut and 2 torgued phillip head screws be removed to replace front brake rotor on 1999 honda accord lx

will try to help. 1st remove the wheel, then remove the 2 caliper bolts that hold the brake caliper on. after removal of brake caliper, [it should just pull off after the 2 bolts are removed] replace the brake pads[be sure to apply anti squeal lube to the outer side of the pads..not the pad itself,the one not contacting the brake rotor] install the pads, the you will need a C clamp to push the brake caliper pistons back into the caliper. i've used this installation easily. use the old pad ,place it against the caliper piston,then apply the C clamp and push the caliper piston back into the brake caliper, then the brake caliper will slide back over the new pads easily, no need to bleed the brakes if you use this solution. replace the brake caliper bolts, then go to next side and repeat the process. after the replacement of the front brake pads,pump the brakes with engine running!!! it's really a simple process. be sure the brake pads are facing the brake rotors with the [pads] facicing the rotors. no metal facing metal. easy! if you have added brake fluid recently, do not be alarmed if you see fluid coming out of the brake master cylinder,when you use the C clamp to collaspe the brake caliper back into the recessed position. [as always when you have to add brake fluid to the brake master cylinder,it only means your brakes are wearing naturally. if you have a vibration in front wheels or steering wheel when braking, you have a brake rotor or both front brake rotors that need replacement with your brakes also. hope this helps and as always, please get a second opinion if you have doubt. an expert will be happy to help. thank you for choosing fixya.com
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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
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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
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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.
1helpful
1answer

General directions on how to change the front brakes on a Toyota Supra, 1987.

Buy brake pads.
loosen lugs
Jack car, place on jack stand
turn wheel so front of tire is pointing out.
remove tire
remove caliper (two bolts on back side of caliper
slide caliper off rotor.
(if rotor is damaged, see about having it turned or replaced)
take pads off caliper
open hood and remove cap to mater cylinder reservoir
using special tool (or C-clamp and something to protect piston) push the piston back into the caliper fully.
place new brake pads on caliper.
fit caliper on the rotor
Secure caliper to wheel with bolts
replace wheel
remove jack stand
remove jack
tighten lugs on wheel
replace hubcap
start engine (do not drive yet!!!!!)
pump brake pedal until it tightens up
observe reservoir on master cylinder (fill if needed)
replace cap
pump brakes again
take out for a test drive.

good luck and don't forget to vote!!!
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1answer

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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1helpful
3answers

Need help changing brake pads and routers on 2003

Remove brake fluid from the master cylinder brake fluid reservoir until the reservoir is approximately 1/2 full. Discard the removed fluid.
  1. Raise and safely support the front of the vehicle. Remove the front wheels.
    1. Remove or disconnect the following:
    2. Front brake caliper guide pin bolts
    • Brake caliper by slowly sliding it up and off the adapter and brake rotor. Support the caliper out of the way with a strong piece of wire. Do not let the caliper hang by the brake hose or damage to the brake hose will result.
    1. If necessary, compress the caliper piston into the bore using a C-clamp. Insert a suitable piece of wood between the C-clamp and caliper piston to protect the piston.
    2. Outboard disc brake pad from the caliper by prying the brake pad retaining clip over the raised area on the caliper. Slide the brake pad down and off the caliper.
    • Inboard disc brake pad from the caliper by pulling the brake pad away from the caliper piston until the retaining clip on the pad is free from the caliper piston cavity
  • To install:
    1. Be sure the caliper piston has been completely retracted into the piston bore of the caliper assembly. This is required when installing the brake caliper equipped with new brake pads.
    2. If equipped, remove the protective paper from the noise suppression gaskets on the new disc brake pads.
    3. Install or connect the following:
      • New inboard disc brake pad into the caliper piston by pressing the pad firmly into the cavity of the caliper piston. Be sure the new inboard brake pad is seated squarely against the face of the brake caliper piston.
      • Outboard disc brake pad by sliding it onto the caliper assembly
      • Brake caliper assembly over the brake rotor and onto the steering knuckle adapter
      • Caliper guide pin bolts and torque to: 35 ft. lbs. (47 Nm) on 2002–04 models or 26 ft. lbs. (35 Nm) on 2005 models
      • Front. Apply the brake pedal several times until a firm pedal is obtained.
    4. Check the fluid level in the master cylinder and add fluid as necessary. Road-test the vehicle.

    For the rotors:

    1. Remove brake fluid from the master cylinder brake fluid reservoir until the reservoir is approximately 1/2 full. Discard the removed fluid.
    2. Raise and safely support the front of the vehicle. Remove the front wheels.
    1. Remove or disconnect the following:
    2. Front brake caliper guide pin bolts
    • Brake caliper by slowly sliding it up and off the adapter and brake rotor. Support the caliper out of the way with a strong piece of wire. Do not let the caliper hang by the brake hose or damage to the brake hose will result.
    1. If necessary, compress the caliper piston into the bore using a C-clamp. Insert a suitable piece of wood between the C-clamp and caliper piston to protect the piston.
    2. Outboard disc brake pad from the caliper by prying the brake pad retaining clip over the raised area on the caliper. Slide the brake pad down and off the caliper.
    • Inboard disc brake pad from the caliper by pulling the brake pad away from the caliper piston until the retaining clip on the pad is free from the caliper piston cavity
  • To install:
    1. Be sure the caliper piston has been completely retracted into the piston bore of the caliper assembly. This is required when installing the brake caliper equipped with new brake pads.
    2. If equipped, remove the protective paper from the noise suppression gaskets on the new disc brake pads.
    3. Install or connect the following:
      • New inboard disc brake pad into the caliper piston by pressing the pad firmly into the cavity of the caliper piston. Be sure the new inboard brake pad is seated squarely against the face of the brake caliper piston.
      • Outboard disc brake pad by sliding it onto the caliper assembly
      • Brake caliper assembly over the brake rotor and onto the steering knuckle adapter
      • Caliper guide pin bolts and torque to: 35 ft. lbs. (47 Nm) on 2002–04 models or 26 ft. lbs. (35 Nm) on 2005 models
      • Front. Apply the brake pedal several times until a firm pedal is obtained.
    4. Check the fluid level in the master cylinder and add fluid as necessary. Road-test the vehicle.
    1helpful
    1answer

    All new brake shoes on 97 jeep front callibers still sticking

    The problem lays with the Caliper itself and/or the brake hose connected to the Caliper.
    However if you replaced the pads, did you also replace the Rotors or have them Turned? The old pads wear the rotor. New pads on old rotors that have not been replaced or turned may end with rubbing or stuck brakes.
    A simple way to test whether it's one and/or the other:
    1. Remove the Caliper from the rotor, remove the pads. Keep for now the caliper attached to the brake hose.
    2. Very slowly push on the brake, exposing more of the piston out of the bore. Not all the way. Usually until the rubber dust seal/boot is fully extended.
    3. Check the seal/boot for cracks and tears, and if clean or not. Bad seals may prevent the piston from re-seating.
    4. Using a c-clamp and pushing straight in: Try repushing the Caliper Piston back into the Caliper Bore (the cup back into the hole). It should go back in realitively easy.
    5. If it doesn't go back in easy: Again slowly pump the brake and re-push the pistons back out to full extended seal/boot (but not the piston out of the bore).
    6. Detached the brake hose from the caliper.
    7. Again using a c-clamp and pushing straight in: Try again to repush the caliper piston back into the bore without the hose attached. If it goes back-in relatively easy - the caliper is okay...it is the brake hose.
    8. If the caliper piston does not go back in easily - Replace the caliper.
    9. When Installing the new (reman) caliper, remember to bleed the brakes.
    TRY EITHER OR #10 OR #11 BELOW:
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    10. Again push on the brake petal to fully extend the caliper piston fully (rubber seal/boot fully extended) Again do not push the piston out of the bore! Try pushing the piston back into the bore. If it does not re-seat relatively easy: Replace the brake hose.
    11. Another method: After replacing the new caliper back on the rotor: Assumng the entire front end (2WD front wheel drive) or entire vehicle (2WD rear wheel drive) or (4WD all the time) is jacked up off the ground
    a. Put the lug nuts back on the rotor.
    b. Have helper Start the vehicle and place in Drive. Don't step on gas!
    c. Have then let off the brake and then engage the brake.
    d. When they let off the brake watch to see if the Rotor is turning or not, if rubbing or not. Or if still sticking.
    e. With a new caliper, turned or new rotors, and still a problem? It is the brake hose!
    12. Replace the brake hose and try again.

    Another method but more expensive:
    OR Replace the calipers, brake hoses; bleed and test!

    If this helped or not; or if you need additional help or have addtional questions let me know on fixya.com!
    0helpful
    1answer

    Front breaks are smoking

    caliper is sticking or pads are sticking ,proportioning valve with vehicle jacked up and supported and wheel removed inspect pads and rotor for damage excessive wear if good- turn hub/rotor by hand have someone assist u by stepping on brake observe brake caliper stop then release brake piston should release slightly from pad try turn hub again w/out touching brake if stuck in place replace and caliper released replace pads if caliper still clamped remove caliper and inspect for leak or damage compress caliper and try brake again if does if sticks again replace caliper
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    1answer

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