Changing rear brake footwear is a comparatively easy activity that may be accomplished in just a few hours with the appropriate instruments and somewhat know-how. Nonetheless, you will need to notice that this activity ought to solely be tried by those that are comfy engaged on their very own autos. In case you are not comfy working by yourself automobile, it’s best to go away this activity to a professional mechanic.
Earlier than you start, you’ll need to collect the next instruments and supplies:
– New brake footwear
– Brake footwear 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 observe these vital precautions earlier than commencing work in your automobile’s rear brake footwear:
1. Park Safely
Park the automobile on a stage, steady floor and interact the parking brake. This can forestall the automobile from rolling while you’re working beneath it. Moreover, place wheel chocks behind the entrance wheels to additional safe the automobile.
Earlier than elevating the automobile, guarantee it’s steady 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 applicable security gear whereas working in your automobile. This consists of security glasses, gloves, and durable footwear to guard your self from potential hazards comparable to sparks, sharp edges, and dangerous liquids.
| Security Gear | Objective | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Security Glasses | Shield eyes from flying particles or sparks | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gloves | Shield fingers from sharp edges or hazardous chemical substances | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sturdy Sneakers | Forestall foot accidents from falling objects or sharp edges |
| Software | Objective | |
|---|---|---|
| Lug wrench | Loosening and eradicating lug nuts | |
| Flooring 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 observe the advisable jack factors on your particular automobile. |
| – Use jack stands rated on 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 fully.
2). Elevate the rear of the automobile 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 may 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 would not, you might want to make use of a hammer to faucet it gently across the edges till it loosens.
Watch out to not injury the brake drum when eradicating it. If you happen to injury the brake drum, it is going to have to be changed, which will be an costly and time-consuming course of.
Listed below are some further 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 power, as you would injury the brake drum.
As soon as the brake drum is unfastened, take away it by hand.
Watch out to not contact the brake footwear, as they could comprise asbestos.
Inspecting the Brake Parts
Earlier than changing the rear brake footwear, it’s essential to completely examine the brake parts to evaluate their situation and determine any potential points.
- **Examine the brake footwear:** Verify the brake footwear for indicators of uneven put on, glazing, or contamination. Exchange any worn or broken footwear promptly.
- **Study the brake drums:** Search for any indicators of wear and tear, scoring, or warmth injury on the brake drums. Warped or broken drums ought to be changed.
- **Verify the brake {hardware}:** Make sure that the brake springs, pins, and retainers are in good situation and functioning correctly. Exchange 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. Exchange any broken strains or hoses instantly.
- **Study the wheel cylinders:** Search for any indicators of leaks or corrosion on the wheel cylinders. Leaking cylinders ought to be changed to stop brake failure.
- **Verify the parking brake mechanism:** Make sure that the parking brake cable, lever, and linkage are all functioning correctly. Modify or substitute any worn or broken parts.
| Element | Inspection Factors | Motion |
|---|---|---|
| Brake Sneakers | Uneven put on, glazing, contamination | Exchange worn or broken footwear |
| Brake Drums | Put on, scoring, warmth injury | Exchange warped or broken drums |
| Brake {Hardware} | Rust, weak point, injury | Exchange rusted or broken {hardware} |
| Brake Traces and Hoses | Harm, leaks, corrosion | Exchange broken strains or hoses |
| Wheel Cylinders | Leaks, corrosion | Exchange leaking cylinders |
| Parking Brake Mechanism | Put on, injury, improper adjustment | Modify or substitute worn or broken parts |
Changing the Rear Brake Sneakers
Changing the rear brake footwear is a comparatively easy activity that may be accomplished in an hour or two with the appropriate instruments and somewhat little bit of know-how.
Instruments You may Want
- Jack and jack stands
- Lug wrench
- Hammer
- Punch
- Brake cleaner
- New brake footwear
Eradicating the Outdated Brake Sneakers
- Elevate 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 footwear 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 footwear 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 footwear are put in, you will need to examine the grasp cylinder to make sure that it’s functioning correctly. The grasp cylinder is chargeable for offering hydraulic stress to the brake strains, which in flip actuates the brake footwear.
To examine the grasp cylinder, test the fluid stage within the reservoir. The fluid stage ought to 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 test the brake fluid for any indicators of contamination, comparable to filth or water. If the brake fluid is contaminated, it ought to be flushed and changed.
| Symptom | Doable Trigger |
|---|---|
| Low brake fluid stage | Leak within the brake system |
| Contaminated brake fluid | Dust or water within the brake system |
| Spongy brake pedal | Air within the brake strains |
| Exhausting brake pedal | Defective grasp cylinder or booster |
If you happen to discover any of those signs, you will need to have the brake system inspected by a professional mechanic.
Adjusting the Brake Sneakers
As soon as the brand new brake footwear 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 occasions. This can assist to seat the brake footwear in opposition to the brake drum.
- Find the brake adjuster. It’s often positioned 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 footwear make contact with the brake drum.
- Verify the brake pedal. Pump the brake pedal a number of occasions and ensure that it feels agency and offers good stopping energy.
- Retighten the adjuster. As soon as you might be glad with the brake pedal, retighten the adjuster screw to stop it from loosening over time.
- Repeat steps 3-5 for the opposite brake shoe. Be sure that each brake footwear are adjusted evenly.
- Highway check the automobile. Drive the automobile at a low pace and apply the brakes a number of occasions to ensure that they’re working correctly.
- Verify the brake adjustment once more. After driving for a brief distance, re-check the brake adjustment to ensure that the brake footwear are nonetheless making good contact with the brake drum.
Reassembling the Brake Parts
9. Reinstalling the Backing Plate
Fastidiously align the backing plate with the wheel cylinder. Make sure that the brake footwear 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 desired torque (confer 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 footwear and adjusters to make sure they’re correctly positioned and freed from any obstruction. Reinstall the drum brake {hardware} package (together with star wheel, springs, and retainers) by following the reverse order of how they had been eliminated. Guarantee every part is securely put in and correctly functioning.
Verify the brake fluid stage within the grasp cylinder and high it off if obligatory. Bleed the brakes to take away any air that will have entered the system.
Testing the Brakes
Earlier than changing the rear brake footwear, it is necessary to check the brakes to find out the extent of the issue. This is methods to do a primary brake check:
- Begin the engine and let it idle.
- Apply the parking brake.
- Press and launch the brake pedal a number of occasions.
- Along with your foot nonetheless on the brake pedal, launch the parking brake.
- Slowly launch the brake pedal.
- If the automobile rolls ahead, the rear brakes should not working correctly.
- If the automobile would not roll ahead, the rear brakes are working correctly.
Extra Notes:
- If the automobile rolls ahead slowly, the rear brakes could also be partially useful however want consideration.
- If the brake pedal feels spongy or pulsates, there could also be a fluid leak or different brake system problem.
- If you happen to’re not comfy performing this check your self, take the automobile to a mechanic for a extra complete brake inspection.
How one can Exchange Rear Brake Sneakers
Changing the rear brake footwear in your automobile is a comparatively easy activity that may be accomplished in about an hour. Listed below are the steps on methods to 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 fully.
- 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 note the brake footwear. Use a pair of pliers to take away the springs that maintain the footwear in place.
- Fastidiously take away the previous brake footwear and substitute them with the brand new footwear.
- 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 occasions to seat the brand new brake footwear.
- Take a look at the brakes earlier than driving the automobile.
Individuals Additionally Ask About How one can Exchange Rear Brake Sneakers
How a lot does it price to exchange rear brake footwear?
The associated fee to exchange rear brake footwear varies relying on the make and mannequin of your automobile. Nonetheless, you may count on to pay between $100 and $200 for components and labor.
How typically ought to rear brake footwear get replaced?
Rear brake footwear ought to be changed each 30,000 to 50,000 miles. Nonetheless, you will need to have your brakes inspected often to make sure that they’re in good situation.
What are the indicators that rear brake footwear have to be changed?
There are a number of indicators that rear brake footwear 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
