Changing brake pads and rotors on a 2019 Subaru Outback is a vital upkeep job that ensures the security and efficiency of your automobile. Worn brake pads can result in lowered braking effectiveness, whereas warped or broken rotors may cause vibrations and noise. By following these complete step-by-step directions, you’ll be able to confidently exchange your brake pads and rotors, saving money and time whereas enhancing the driving expertise of your Subaru Outback.
Earlier than embarking on this challenge, collect the mandatory instruments and supplies, together with new brake pads, rotors, brake cleaner, caliper piston device, torque wrench, and a jack and jack stands. Security must be your high precedence, so put on protecting gloves and eyewear all through the method. Moreover, seek the advice of the service guide on your particular mannequin 12 months to make sure correct torque specs and any crucial precautions.
To start the alternative course of, elevate the entrance finish of the automobile utilizing a jack and safe it with jack stands. Take away the lug nuts, elevate the tire off the hub, and place it securely in a delegated space. Subsequent, take away the caliper bolts, fastidiously elevate the caliper off the rotor, and help it with a bit of wire or bungee twine to forestall pressure on the brake line. Utilizing the caliper piston device, compress the piston again into the caliper housing. Now, slide the previous brake pads out of the caliper bracket and take away the caliper bracket bolts to entry the rotor. Raise the previous rotor off the hub, clear the hub floor, and set up the brand new rotor. Observe these steps in reverse order to reassemble the parts, guaranteeing correct torque specs on all bolts and nuts.
Security Precautions and Instruments Required
Security Precautions
- Park your automobile on a flat, secure floor.
- Deactivate the engine and look forward to it to chill down.
- Have interaction the parking brake to forestall the automobile from shifting.
- Place wheel chocks behind the wheels reverse those you may be engaged on (e.g., if you happen to’re engaged on the entrance brakes, place chocks behind the rear wheels).
- Put on security glasses and gloves to guard your self from particles and dangerous chemical substances.
- Keep away from inhaling brake mud, as it may be dangerous to your well being.
- When you’ve got any present medical situations, seek the advice of together with your physician earlier than trying this restore.
- All the time observe the directions in your automobile’s proprietor’s guide when performing repairs.
Instruments Required
| Device | Use |
|---|---|
| Ground jack | Raise the automobile |
| Jack stands | Help the automobile whereas it is raised |
| Lug wrench | Take away the lug nuts |
| Tire iron | Loosen and take away the lug nuts |
| Caliper bolts/pins | Take away the caliper from the rotor |
| C-clamp | Compress the brake piston |
| Brake cleaner | Clear the brake parts |
| Torque wrench | Tighten the lug nuts and caliper bolts/pins to the right specs |
Jacking Up the Automobile and Eradicating the Wheels
Security Precautions
Earlier than starting any work, guarantee your automobile is parked on a flat, secure floor and that the parking brake is engaged. Place wheel chocks behind the wheels reverse the facet you may be engaged on.
Supplies Required
- Jack
- Jack stands
- Lug wrench
- 19mm socket wrench
- Anti-seize lubricant
Steps
- Find the jack factors: Discuss with your automobile’s proprietor’s guide for the designated jack factors. These factors are usually positioned close to the wheels.
- Place the jack: Place the jack on the designated jack level closest to the wheel you may be changing.
- Raise the automobile: Slowly pump the jack to elevate the automobile till there’s roughly 6-8 inches of clearance between the bottom and the tire.
- Put the jack stands in place: Find the designated jack stand factors, that are often close to the jack factors. Place the jack stands below these factors and decrease the automobile onto them.
- Take away the lug nuts: Utilizing the lug wrench, loosen however don’t take away the lug nuts on the wheel you may be engaged on.
- Take away the wheel: Grip the wheel firmly and pull it straight in direction of you to detach it from the hub.
Eradicating the Brake Calipers
To take away the brake calipers, you may have to take away the bolts which can be holding them in place. These bolts are usually positioned on the again of the calipers, and you may want a socket wrench to take away them. As soon as the bolts are eliminated, you’ll be able to fastidiously elevate the calipers off of the rotors.
Watch out to not injury the brake hoses whenever you’re eradicating the calipers. If you’ll want to, you need to use a bungee twine to tie the calipers up out of the way in which.
As soon as the calipers are eliminated, you’ll be able to examine the rotors for put on. If the rotors are worn, you may want to exchange them. To do that, you may have to take away the caliper mounting brackets, that are positioned on the again of the rotors. As soon as the caliper mounting brackets are eliminated, you’ll be able to slide the rotors off of the wheel hubs.
To put in the brand new rotors, merely slide them onto the wheel hubs and tighten the caliper mounting brackets. Then, reinstall the calipers and tighten the bolts. Lastly, bleed the brakes to take away any air from the system.
Here’s a desk summarizing the steps for eradicating the brake calipers:
| Step | Description |
|---|---|
| 1 | Take away the bolts which can be holding the calipers in place. |
| 2 | Rigorously elevate the calipers off of the rotors. |
| 3 | If crucial, use a bungee twine to tie the calipers up out of the way in which. |
Changing the Brake Pads
Now that the caliper is off of the rotor, you’ll be able to take away the previous brake pads. Sometimes, one of many pads is held in place by two clips whereas the opposite slides in between these clips. Take away the clips to free the held-in pad. The opposite pad ought to now slide out freely.
Prior to installing the brand new brake pads, it is necessary to wash the caliper and the world surrounding the place the brake pads make contact with the rotor. This may be sure that there isn’t a filth or particles that might trigger the brake pads to put on inconsistently or turn into contaminated.
Use a brake cleaner or rubbing alcohol and a clear rag to wipe down the caliper and the world round the place the brake pads make contact with the rotor. This may be sure that the brand new brake pads have a clear floor to mate with.
Now you can set up the brand new brake pads. The brand new brake pads may have a small shim on the again. This shim is designed to cut back noise and vibration. Guarantee that the shim is correctly seated within the caliper.
Slide the brand new brake pads into the caliper. The brake pads ought to match snugly into the caliper. If the brake pads usually are not becoming snugly, it’s possible you’ll want to make use of a C-clamp to compress the caliper.
As soon as the brake pads are put in, you’ll be able to reinstall the caliper. Tighten the caliper bolts to the required torque. The torque specs on your Subaru Outback may be discovered within the automobile’s proprietor’s guide.
Changing the Brake Rotors
1. Collect Your Supplies
- New brake rotors
- Brake cleaner
- Brake caliper grease
- Ground jack and jack stands
- Lug wrench
- 13mm socket
- 15mm socket
- T50 Torx socket
- C-clamp
2. Put together the Automobile
- Park the automobile on a degree floor and interact the parking brake.
- Loosen the lug nuts on the entrance wheels utilizing the lug wrench.
3. Take away the Wheel
- Use the ground jack to elevate the entrance finish of the automobile and place jack stands below the designated jack factors.
- Take away the lug nuts and take off the wheel.
4. Take away the Brake Caliper
- Find the 2 bolts holding the brake caliper to the steering knuckle.
- Use the 13mm socket to take away the bolts.
- Swing the caliper up and out of the way in which, however watch out to not pressure the brake line.
5. Take away the Outdated Rotors
| Kind of Rotor | Removing Methodology |
|---|---|
| Floating Rotor | Slide the rotor off the hub utilizing your palms or a pry bar. |
| Built-in Bearing Rotor | Unbolt the rotor from the hub utilizing the 15mm socket. |
6. Set up the New Rotors
- Clear the contact surfaces of the hub and the brand new rotors with brake cleaner.
- Evenly grease the contact surfaces between the rotor and the hub.
- Use your palms or a pry bar to slip the brand new rotor onto the hub.
- Tighten the bolts to the required torque utilizing the 15mm socket.
7. Reinstall the Brake Caliper
- Swing the brake caliper again into place and line it up with the holes on the steering knuckle.
- Set up the 2 caliper mounting bolts and tighten them utilizing the 13mm socket.
- Reattach the wheel and tighten the lug nuts utilizing the lug wrench.
8. Repeat for the Different Aspect
- Repeat steps 3-7 for the remaining entrance wheel.
9. Mattress within the New Rotors
- Drive the automobile for a number of miles at various speeds to permit the brand new rotors to mattress in.
- Keep away from exhausting braking throughout this era.
Inspecting the Brake Strains and Parts
Inspecting the Brake Strains
Begin by visually inspecting the brake traces for any indicators of harm, similar to cracks, leaks, or bulges. In case you discover any points, it is necessary to exchange the affected brake line instantly. Subsequent, examine if the brake traces are correctly related to the calipers and grasp cylinder. Be certain that the connections are tight and freed from corrosion or rust.
Inspecting the Brake Parts
Brake Calipers
Examine the brake calipers for any indicators of leaks or injury. Examine the caliper pistons for sticking or binding. If the pistons are shifting freely, apply slight stress to them and guarantee they retract easily. Additionally, examine the caliper mounting bolts for tightness and corrosion.
Brake Rotors
Look at the brake rotors for put on and tear. Measure the rotor thickness utilizing a micrometer or caliper. If the rotors are under the producer’s specified minimal thickness, they need to get replaced. Moreover, examine the rotors for any indicators of grooves, cracks, or extreme rust.
Brake Pads
Examine the brake pads for put on and thickness. Substitute the pads if they’re worn right down to lower than 1/4 inch of fabric. Examine the brake pad backing plates for any indicators of cracks or injury. Be certain that the brake pads are correctly seated within the calipers and never free.
| Element | Inspection Factors |
|---|---|
| Brake Strains | Cracks, leaks, bulges, connections |
| Brake Calipers | Leaks, injury, caught pistons, mounting bolts |
| Brake Rotors | Put on, thickness, grooves, cracks, rust |
| Brake Pads | Put on, thickness, backing plates, seating |
Reassembling the Brake System
7. Reinstalling the Caliper and Pads
To reinstall the caliper, information it again over the brand new brake pads, ensuring that it matches snugly across the rotor. Safe the caliper in place utilizing the caliper bolts, tightening them to the required torque utilizing a torque wrench.
Examine the brake caliper pins for put on or injury, and exchange them if crucial. Apply a small quantity of artificial brake grease to the pins earlier than reinserting them into the caliper.
Place the brake pads contained in the caliper, guaranteeing that they’re accurately positioned and dealing with the right path. Use the provided anti-rattle clips or shims (if relevant) to forestall noise and vibration.
Be certain that the brake pads are centered on the rotor by urgent on the brake pedal a number of instances. This may assist to distribute stress evenly throughout the pads and rotor.
Double-check all connections and be sure that all bolts and nuts are securely tightened earlier than shifting on to the subsequent step.
| Element | Torque (ft-lbs) |
|---|---|
| Caliper Bolts | 111-148 |
| Caliper Pin Bolts | 25-30 |
Torquing Specs and Retightening
Tightening the lug nuts to the correct torque is crucial for the security and efficiency of your automobile. Discuss with your proprietor’s guide for the particular torque specs on your Subaru Outback.
As soon as the lug nuts are tightened, recheck them after driving roughly 50-100 miles. That is particularly necessary after altering the brakes, as the brand new pads and rotors may have a while to settle in.
Lug Nut Torque Specifications
The next desk lists the torque specs for the lug nuts:
| Lug Nut Measurement | Torque Specification (ft-lb) |
|---|---|
| M12 | 80-105 |
Lug Nut Retightening
To recheck the torque on the lug nuts, you will have a torque wrench. Observe these steps:
1. Loosen every lug nut barely utilizing a lug wrench.
2. Use a torque wrench to tighten every lug nut to the required torque.
3. Double-check the torque on all lug nuts to make sure they’re correctly tightened.
Highway Testing and Verifying Brake Efficiency
After changing your brake pads and rotors, it is essential to check your brakes and confirm their efficiency earlier than common driving.
9. Highway Testing
**1. Select a Lengthy, Quiet Highway:** Drive a number of kilometers on a quiet, low-traffic street to interrupt in your new brakes gently.
**2. Sluggish Down and Cease:** Steadily apply the brakes at speeds starting from 30 to 60 km/h and produce your automobile to an entire cease. Repeat this course of a number of instances to mattress within the pads successfully.
**3. Apply Brakes Onerous:** As soon as the brakes are bedded in, carry out a number of exhausting stops from increased speeds. This may generate warmth and take away any extra resin from the brake pads.
**4. Keep away from Hills:** Check your brakes on flat roads initially to attenuate the danger of overheating on account of fixed braking.
**5. Examine for Vibration or Noise:** Take note of any vibrations or uncommon noises throughout braking. These might point out an alignment problem or different underlying drawback.
**6. If Wanted, Repeat:** In case you discover any points throughout the street check, pull over safely and repeat the bedding-in course of on a distinct street.
10. Verifying Brake Efficiency
**1. Stopping Distance Check:** Carry out a braking distance check on a delegated check website. Measure the space required to convey your automobile to an entire cease from a delegated pace (e.g., 60 km/h).
**2. Pedal Really feel Check:** Take note of the texture of the brake pedal. It must be agency and responsive, with out extra sponginess or stiffness.
**3. Visible Inspection:** Examine the brake pads and rotors for any indicators of extra put on or injury. If crucial, make any changes or replacements as wanted.
| Symptom | Trigger | Answer |
|---|---|---|
| Vibration or pulsation throughout braking | Warped rotors | Substitute or machine the rotors |
| Squealing or grinding noise | Glazed or worn brake pads | Substitute the brake pads |
| Spongy or gentle brake pedal | Air within the brake traces | Bleed the brake traces |
Extra Ideas for Troubleshooting and Upkeep
1. Examine Your Brake Fluid Usually
Your brake fluid is liable for transferring stress out of your brake pedal to your calipers. Guarantee its degree and alter it in response to the producer’s suggestions to keep up optimum braking efficiency.
2. Examine Your Brake Strains for Leaks
Brake traces carry brake fluid from the grasp cylinder to your wheels. Usually examine them for any cracks, leaks, or injury. In case you detect a problem, have it addressed instantly to forestall brake failure.
3. Monitor Your Brake Rotor Thickness
Over time, your brake rotors will put on down. Measure their thickness usually utilizing a caliper or micrometer. In the event that they fall under the producer’s specified minimal thickness, exchange them to make sure protected and efficient braking.
4. Clear and Lubricate Brake Parts
Filth and particles can accumulate on brake parts, affecting their efficiency. Periodically clear your calipers, pads, and rotors with brake cleaner and apply a small quantity of high-temperature brake grease to shifting elements to make sure easy operation.
5. Check Drive After Changing Brake Parts
After changing any brake parts, take your automobile for a check drive. Pay attention for any uncommon noises or vibrations and be sure that your brakes are performing as anticipated. In case you discover any points, seek the advice of a professional mechanic.
6. Think about Upgrading Your Brakes
In case you usually tow heavy masses or interact in spirited driving, contemplate upgrading your brakes with performance-oriented pads and rotors. These upgrades can present elevated braking energy and warmth dissipation.
7. Keep away from Extreme Braking
Frequent or exhausting braking can prematurely put on down your brake parts. Brake easily and anticipate stops to cut back pointless friction in your pads and rotors.
8. Preserve Correct Tire Inflation
Underinflated tires can improve braking distances and put extra pressure in your brake system. Guarantee your tires are inflated to the right stress as laid out in your automobile’s guide.
9. Have Your Brakes Inspected Yearly
No matter your driving habits, it is really helpful to have your brakes inspected yearly by a professional mechanic. They’ll establish any potential points early on and stop expensive repairs.
10. Brake Fluid Flushing
Brake fluid absorbs moisture over time, which might compromise its efficiency. Flushing your brake fluid each 2-3 years removes the contaminated fluid and restores the system’s effectivity, guaranteeing correct brake operate and lengthening the lifetime of brake parts. Think about the next steps when flushing your brake fluid:
| Step | Description |
|---|---|
| 1 | Collect the mandatory instruments and supplies, together with brake fluid, tubing, and a brake bleeder wrench. |
| 2 | Begin with the brake caliper furthest from the grasp cylinder. |
| 3 | Connect a piece of tubing to the bleeder valve and the opposite finish to a transparent container. |
| 4 | Have an assistant slowly depress the brake pedal whilst you open the bleeder valve. |
| 5 | Shut the bleeder valve as soon as the previous fluid is expelled. |
| 6 | Repeat the method for all 4 calipers, ranging from the furthest level away and dealing your means nearer to the grasp cylinder. |
| 7 | Examine the brake fluid degree within the grasp cylinder and high it up as wanted with recent brake fluid. |
| 8 | Pump the brake pedal a number of instances to distribute the brand new fluid by means of the system. |
How To Change Brake Pads And Rotors 2019 Subaru Outback
Altering the brake pads and rotors on a 2019 Subaru Outback is a comparatively easy course of that may be accomplished in a number of hours with the best instruments and a little bit of mechanical know-how. This is a step-by-step information that will help you get the job accomplished:
- Security first! Park your automobile on a degree floor and interact the parking brake.
- Loosen the lug nuts on the wheel you may be engaged on, however do not take away them fully.
- Use a flooring jack to elevate the automobile and place a jack stand below the designated jack level.
- Take away the lug nuts and take off the wheel.
- Find the caliper bolts and take away them. Rigorously elevate the caliper off the rotor and help it with a bungee twine or wire.
- Take away the previous brake pads and examine the caliper and brake parts for any injury or put on.
- Clear and lubricate the caliper slide pins and another contact factors.
- Set up the brand new brake pads and ensure they match snugly into the caliper.
- Reattach the caliper and tighten the caliper bolts to the required torque.
- Set up the brand new rotor and tighten the lug nuts to the required torque. (Substitute the rotor if it is worn or broken.)
- Decrease the automobile and torque the lug nuts to the required torque.
- Repeat steps 2-11 for the opposite three wheels.
- Pump the brake pedal a number of instances to seat the brand new pads and rotors.
- Check drive your automobile and hear for any uncommon noises or vibrations. The brakes ought to really feel responsive and easy.
