Changing rear brake sneakers is a comparatively easy process that may be accomplished in just a few hours with the appropriate instruments and slightly know-how. Nevertheless, it is very important observe that this process ought to solely be tried by those that are snug engaged on their very own automobiles. If you’re not snug working by yourself automobile, it’s best to go away this process to a professional mechanic.
Earlier than you start, you will have to collect the next instruments and supplies:
– New brake sneakers
– Brake sneakers springs
– Brake drum puller
– Brake cleaner
– Gloves
– Security glasses
– Jack stands
– Lug wrench
– Wheel chocks
Security Precautions
To make sure your security, it’s crucial to comply with these vital precautions earlier than commencing work in your automobile’s rear brake sneakers:
1. Park Safely
Park the automobile on a stage, secure floor and interact the parking brake. It will forestall the automobile from rolling if you are working beneath it. Moreover, place wheel chocks behind the entrance wheels to additional safe the automobile.
Earlier than elevating the automobile, guarantee it’s secure and won’t slip off the jack stands. Examine the jack stands for any indicators of harm or put on, and by no means work beneath a automobile supported by a single jack or jack stand. At all times use a number of jack stands for added security.
Moreover, it’s essential to put on acceptable security gear whereas working in your automobile. This contains security glasses, gloves, and durable sneakers to guard your self from potential hazards comparable to sparks, sharp edges, and dangerous liquids.
| Security Gear | Objective | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Security Glasses | Defend eyes from flying particles or sparks | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gloves | Defend palms from sharp edges or hazardous chemical compounds | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sturdy Sneakers | Forestall foot accidents from falling objects or sharp edges |
| Instrument | Objective | |
|---|---|---|
| Lug wrench | Loosening and eradicating lug nuts | |
| Ground jack | Elevating the automobile for entry | |
| Jack stands | Offering safe help for the automobile | |
| Brake caliper spreader | Compressing brake caliper pistons | |
| T27 Torx bit | Eradicating caliper mounting bolts | |
| 13mm wrench | Eradicating caliper bracket bolts | |
| Phillips head screwdriver | Eradicating parking brake cable bracket |
| Security Ideas: |
|---|
| – At all times put on security glasses and gloves all through the process. |
| – Strictly comply with the advisable jack factors to your particular automobile. |
| – Use jack stands rated to your automobile’s weight and set them in a sturdy method. |
Eradicating the Wheel and Tire
1). Loosen the lug nuts on the rear wheel that must be changed. Don’t take away them utterly.
2). Increase the rear of the automotive utilizing a jack and place jack stands beneath the designated jack factors for added security.
3). Take away the lug nuts and take off the flat tire.
4). Eradicating the Brake Drum
a) Examine the brake drum for any indicators of harm or put on.
b) Find the 2 brake drum retaining screws on the again of the brake backing plate.
c) Use a 7/16-inch wrench or socket to loosen the brake drum retaining screws.
d) As soon as the screws are unfastened, gently faucet the brake drum with a rubber mallet or hammer to interrupt it free from the axle.
e) Pull the brake drum straight in the direction of you to take away it from the axle.
Eradicating the Brake Drum
As soon as the wheel is off, you possibly can start to take away the brake drum. The brake drum is held on by just a few lug nuts or bolts. Use a socket wrench or lug wrench to loosen the lug nuts or bolts after which take away them by hand.
As soon as the lug nuts or bolts are eliminated, the brake drum ought to come off simply. If it does not, you might want to make use of a hammer to faucet it gently across the edges till it loosens.
Watch out to not harm the brake drum when eradicating it. For those who harm the brake drum, it would have to be changed, which might be an costly and time-consuming course of.
Listed below are some extra suggestions for eradicating the brake drum:
Use warning when eradicating the brake drum.
The brake drum is heavy, so watch out to not drop it in your foot or leg.
If the brake drum is caught, use a hammer to faucet it gently across the edges till it loosens.
Don’t use an excessive amount of drive, as you could possibly harm the brake drum.
As soon as the brake drum is unfastened, take away it by hand.
Watch out to not contact the brake sneakers, as they could comprise asbestos.
Inspecting the Brake Elements
Earlier than changing the rear brake sneakers, it’s essential to completely examine the brake elements to evaluate their situation and establish any potential points.
- **Examine the brake sneakers:** Examine the brake sneakers for indicators of uneven put on, glazing, or contamination. Change any worn or broken sneakers promptly.
- **Look at the brake drums:** Search for any indicators of damage, scoring, or warmth harm on the brake drums. Warped or broken drums must be changed.
- **Examine the brake {hardware}:** Be certain that the brake springs, pins, and retainers are in good situation and functioning correctly. Change any rusted, weak, or broken {hardware}.
- **Examine the brake strains and hoses:** Examine the brake strains and hoses for any indicators of harm, leaks, or corrosion. Change any broken strains or hoses instantly.
- **Look at the wheel cylinders:** Search for any indicators of leaks or corrosion on the wheel cylinders. Leaking cylinders must be changed to stop brake failure.
- **Examine the parking brake mechanism:** Be certain that the parking brake cable, lever, and linkage are all functioning correctly. Modify or substitute any worn or broken elements.
| Part | Inspection Factors | Motion |
|---|---|---|
| Brake Sneakers | Uneven put on, glazing, contamination | Change worn or broken sneakers |
| Brake Drums | Put on, scoring, warmth harm | Change warped or broken drums |
| Brake {Hardware} | Rust, weak spot, harm | Change rusted or broken {hardware} |
| Brake Strains and Hoses | Harm, leaks, corrosion | Change broken strains or hoses |
| Wheel Cylinders | Leaks, corrosion | Change leaking cylinders |
| Parking Brake Mechanism | Put on, harm, improper adjustment | Modify or substitute worn or broken elements |
Changing the Rear Brake Sneakers
Changing the rear brake sneakers is a comparatively easy process that may be accomplished in an hour or two with the appropriate instruments and slightly little bit of know-how.
Instruments You may Want
- Jack and jack stands
- Lug wrench
- Hammer
- Punch
- Brake cleaner
- New brake sneakers
Eradicating the Previous Brake Sneakers
- Increase the rear of the automobile and safe it with jack stands.
- Take away the rear wheels.
- Take away the brake drum by eradicating the bolts that maintain it in place.
- Disconnect the brake line from the wheel cylinder.
- Take away the brake sneakers by urgent the springs that maintain them in place.
Putting in the New Brake Sneakers
- Clear the brake drum and wheel cylinder with brake cleaner.
- Set up the brand new brake sneakers by urgent them into place till they snap into the springs.
- Reconnect the brake line to the wheel cylinder.
- Set up the brake drum by aligning it with the wheel studs.
- Tighten the bolts that maintain the brake drum in place.
- Set up the rear wheels.
- Decrease the automobile to the bottom.
Inspecting the Grasp Cylinder
As soon as the brand new brake sneakers are put in, it is very important examine the grasp cylinder to make sure that it’s functioning correctly. The grasp cylinder is answerable for offering hydraulic stress to the brake strains, which in flip actuates the brake sneakers.
To examine the grasp cylinder, verify the fluid stage within the reservoir. The fluid stage must be between the “min” and “max” marks on the reservoir. If the fluid stage is low, it could point out a leak within the brake system. You also needs to verify the brake fluid for any indicators of contamination, comparable to filth or water. If the brake fluid is contaminated, it must be flushed and changed.
| Symptom | Doable Trigger |
|---|---|
| Low brake fluid stage | Leak within the brake system |
| Contaminated brake fluid | Grime or water within the brake system |
| Spongy brake pedal | Air within the brake strains |
| Onerous brake pedal | Defective grasp cylinder or booster |
For those who discover any of those signs, it is very important have the brake system inspected by a professional mechanic.
Adjusting the Brake Sneakers
As soon as the brand new brake sneakers have been put in, they have to be adjusted to make sure correct contact with the brake drum. Comply with these steps:
- Pump the brake pedal a number of instances. It will assist to seat the brake sneakers towards the brake drum.
- Find the brake adjuster. It’s often situated on the backside of the backing plate, close to the middle of the wheel.
- Flip the adjuster screw. Use a flat-head screwdriver or an Allen wrench, relying on the kind of adjuster. Flip the screw in small increments (about 1/8 flip at a time) till you hear the brake sneakers make contact with the brake drum.
- Examine the brake pedal. Pump the brake pedal a number of instances and make it possible for it feels agency and supplies good stopping energy.
- Retighten the adjuster. As soon as you might be happy with the brake pedal, retighten the adjuster screw to stop it from loosening over time.
- Repeat steps 3-5 for the opposite brake shoe. Make it possible for each brake sneakers are adjusted evenly.
- Highway take a look at the automobile. Drive the automobile at a low velocity and apply the brakes a number of instances to make it possible for they’re working correctly.
- Examine the brake adjustment once more. After driving for a brief distance, re-check the brake adjustment to make it possible for the brake sneakers are nonetheless making good contact with the brake drum.
Reassembling the Brake Elements
9. Reinstalling the Backing Plate
Rigorously align the backing plate with the wheel cylinder. Be certain that the brake sneakers are correctly seated within the backing plate. Safe the backing plate with the bolts or clips that had been eliminated earlier. Tighten the bolts or clips to the required torque (discuss with your automobile’s service guide for particular torque values).
Bolt/Clip Measurement Tightening Torque 10mm 25-35 ft-lbs 12mm 35-45 ft-lbs Examine the brake sneakers and adjusters to make sure they’re correctly positioned and freed from any obstruction. Reinstall the drum brake {hardware} equipment (together with star wheel, springs, and retainers) by following the reverse order of how they had been eliminated. Guarantee every element is securely put in and correctly functioning.
Examine the brake fluid stage within the grasp cylinder and high it off if needed. Bleed the brakes to take away any air that will have entered the system.
Testing the Brakes
Earlier than changing the rear brake sneakers, it is necessary to check the brakes to find out the extent of the issue. Here is do a primary brake take a look at:
- Begin the engine and let it idle.
- Apply the parking brake.
- Press and launch the brake pedal a number of instances.
- Along with your foot nonetheless on the brake pedal, launch the parking brake.
- Slowly launch the brake pedal.
- If the automotive rolls ahead, the rear brakes usually are not working correctly.
- If the automotive does not roll ahead, the rear brakes are working correctly.
Further Notes:
- If the automotive rolls ahead slowly, the rear brakes could also be partially practical however want consideration.
- If the brake pedal feels spongy or pulsates, there could also be a fluid leak or different brake system difficulty.
- For those who’re not snug performing this take a look at your self, take the automotive to a mechanic for a extra complete brake inspection.
Methods to Change Rear Brake Sneakers
Changing the rear brake sneakers in your automobile is a comparatively easy process that may be accomplished in about an hour. Listed below are the steps on do it:
- Park your automobile on a stage floor and interact the parking brake.
- Loosen the lug nuts on the rear wheels, however don’t take away them utterly.
- Jack up the rear of the automobile and place jack stands beneath the designated jack factors.
- Take away the lug nuts and wheels.
- Find the brake drum and take away the mud cap from the middle of the drum.
- Use a big screwdriver or brake spoon to pry off the brake drum. It could be essential to faucet the drum with a hammer to loosen it.
- As soon as the brake drum is eliminated, you will notice the brake sneakers. Use a pair of pliers to take away the springs that maintain the sneakers in place.
- Rigorously take away the outdated brake sneakers and substitute them with the brand new sneakers.
- Reinstall the springs and brake drum.
- Repeat steps 5-9 for the opposite rear wheel.
- Decrease the automobile and tighten the lug nuts.
- Pump the brake pedal a number of instances to seat the brand new brake sneakers.
- Check the brakes earlier than driving the automobile.
Folks Additionally Ask About Methods to Change Rear Brake Sneakers
How a lot does it price to switch rear brake sneakers?
The price to switch rear brake sneakers varies relying on the make and mannequin of your automobile. Nevertheless, you possibly can anticipate to pay between $100 and $200 for components and labor.
How usually ought to rear brake sneakers get replaced?
Rear brake sneakers must be changed each 30,000 to 50,000 miles. Nevertheless, it is very important have your brakes inspected repeatedly to make sure that they’re in good situation.
What are the indicators that rear brake sneakers have to be changed?
There are a number of indicators that rear brake sneakers have to be changed, together with:
- A grinding noise when braking
- A pulsation within the brake pedal
- Lowered braking energy
- A low brake fluid stage
