Changing brake pads and rotors on a 2019 Subaru Outback is an important upkeep process that ensures the protection and efficiency of your automobile. Worn brake pads can result in decreased braking effectiveness, whereas warped or broken rotors could cause vibrations and noise. By following these complete step-by-step directions, you possibly can confidently substitute your brake pads and rotors, saving money and time whereas enhancing the driving expertise of your Subaru Outback.
Earlier than embarking on this mission, 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 prime precedence, so put on protecting gloves and eyewear all through the method. Moreover, seek the advice of the service handbook to your particular mannequin 12 months to make sure correct torque specs and any needed 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, carry the tire off the hub, and place it securely in a delegated space. Subsequent, take away the caliper bolts, rigorously carry the caliper off the rotor, and assist it with a bit of wire or bungee wire to stop 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. Elevate the previous rotor off the hub, clear the hub floor, and set up the brand new rotor. Comply with these steps in reverse order to reassemble the elements, making certain correct torque specs on all bolts and nuts.
Security Precautions and Instruments Required
Security Precautions
- Park your automobile on a flat, steady floor.
- Deactivate the engine and look ahead to it to chill down.
- Interact the parking brake to stop the automobile from shifting.
- Place wheel chocks behind the wheels reverse those you will be engaged on (e.g., should you’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 compounds.
- Keep away from inhaling brake mud, as it may be dangerous to your well being.
- If in case you have any current medical circumstances, seek the advice of along with your physician earlier than making an attempt this restore.
- At all times comply with the directions in your automobile’s proprietor’s handbook when performing repairs.
Instruments Required
| Software | Use |
|---|---|
| Ground jack | Elevate the automobile |
| Jack stands | Assist 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 elements |
| Torque wrench | Tighten the lug nuts and caliper bolts/pins to the proper specs |
Jacking Up the Automobile and Eradicating the Wheels
Security Precautions
Earlier than starting any work, guarantee your automobile is parked on a flat, steady floor and that the parking brake is engaged. Place wheel chocks behind the wheels reverse the facet you will be engaged on.
Supplies Required
- Jack
- Jack stands
- Lug wrench
- 19mm socket wrench
- Anti-seize lubricant
Steps
- Find the jack factors: Consult with your automobile’s proprietor’s handbook 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 will be changing.
- Elevate the automobile: Slowly pump the jack to carry 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 normally close to the jack factors. Place the jack stands underneath 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 will be engaged on.
- Take away the wheel: Grip the wheel firmly and pull it straight in the direction of you to detach it from the hub.
Eradicating the Brake Calipers
To take away the brake calipers, you will have to take away the bolts which are holding them in place. These bolts are usually positioned on the again of the calipers, and you will want a socket wrench to take away them. As soon as the bolts are eliminated, you possibly can rigorously carry the calipers off of the rotors.
Watch out to not harm the brake hoses if you’re eradicating the calipers. If you want to, you need to use a bungee wire to tie the calipers up out of the best way.
As soon as the calipers are eliminated, you possibly can examine the rotors for put on. If the rotors are worn, you will want to exchange them. To do that, you will 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 possibly can 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 are holding the calipers in place. |
| 2 | Fastidiously carry the calipers off of the rotors. |
| 3 | If needed, use a bungee wire to tie the calipers up out of the best way. |
Changing the Brake Pads
Now that the caliper is off of the rotor, you possibly can take away the previous brake pads. Usually, 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 essential to wash the caliper and the realm surrounding the place the brake pads make contact with the rotor. This can make sure that there is no such thing as a filth or particles that would trigger the brake pads to put on erratically or develop into contaminated.
Use a brake cleaner or rubbing alcohol and a clear rag to wipe down the caliper and the realm round the place the brake pads make contact with the rotor. This can make 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 could have a small shim on the again. This shim is designed to cut back noise and vibration. Make it possible for 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 will not be becoming snugly, chances are you’ll want to make use of a C-clamp to compress the caliper.
As soon as the brake pads are put in, you possibly can reinstall the caliper. Tighten the caliper bolts to the required torque. The torque specs to your Subaru Outback might be discovered within the automobile’s proprietor’s handbook.
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 carry the entrance finish of the automobile and place jack stands underneath 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 best way, however watch out to not pressure the brake line.
5. Take away the Outdated Rotors
| Sort of Rotor | Elimination Technique |
|---|---|
| Floating Rotor | Slide the rotor off the hub utilizing your fingers 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.
- Calmly grease the contact surfaces between the rotor and the hub.
- Use your fingers 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 laborious braking throughout this era.
Inspecting the Brake Strains and Elements
Inspecting the Brake Strains
Begin by visually inspecting the brake strains for any indicators of injury, reminiscent of cracks, leaks, or bulges. When you discover any points, it is essential to exchange the affected brake line instantly. Subsequent, examine if the brake strains are correctly related to the calipers and grasp cylinder. Be sure that the connections are tight and freed from corrosion or rust.
Inspecting the Brake Elements
Brake Calipers
Examine the brake calipers for any indicators of leaks or harm. Test the caliper pistons for sticking or binding. If the pistons are shifting freely, apply slight strain to them and guarantee they retract easily. Additionally, examine the caliper mounting bolts for tightness and corrosion.
Brake Rotors
Study 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. Exchange the pads if they’re worn right down to lower than 1/4 inch of fabric. Test the brake pad backing plates for any indicators of cracks or harm. Be sure that the brake pads are correctly seated within the calipers and never free.
| Part | Inspection Factors |
|---|---|
| Brake Strains | Cracks, leaks, bulges, connections |
| Brake Calipers | Leaks, harm, 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 suits 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 harm, and substitute them if needed. 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, making certain that they’re accurately positioned and dealing with the proper course. Use the provided anti-rattle clips or shims (if relevant) to stop noise and vibration.
Be sure that the brake pads are centered on the rotor by urgent on the brake pedal a number of instances. This can assist to distribute strain evenly throughout the pads and rotor.
Double-check all connections and make sure that all bolts and nuts are securely tightened earlier than shifting on to the following step.
| Part | 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 important for the protection and efficiency of your automobile. Consult with your proprietor’s handbook for the precise torque specs to your Subaru Outback.
As soon as the lug nuts are tightened, recheck them after driving roughly 50-100 miles. That is particularly essential after altering the brakes, as the brand new pads and rotors might 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 have to a torque wrench. Comply with 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.
Street 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. Street Testing
**1. Select a Lengthy, Quiet Street:** Drive a number of kilometers on a quiet, low-traffic highway to interrupt in your new brakes gently.
**2. Sluggish Down and Cease:** Regularly apply the brakes at speeds starting from 30 to 60 km/h and produce your automobile to a whole cease. Repeat this course of a number of instances to mattress within the pads successfully.
**3. Apply Brakes Exhausting:** As soon as the brakes are bedded in, carry out a number of laborious stops from larger speeds. This can generate warmth and take away any extra resin from the brake pads.
**4. Keep away from Hills:** Take a look at your brakes on flat roads initially to attenuate the chance of overheating resulting from fixed braking.
**5. Test for Vibration or Noise:** Take note of any vibrations or uncommon noises throughout braking. These may point out an alignment difficulty or different underlying downside.
**6. If Wanted, Repeat:** When you discover any points through the highway check, pull over safely and repeat the bedding-in course of on a distinct highway.
10. Verifying Brake Efficiency
**1. Stopping Distance Take a look at:** Carry out a braking distance check on a delegated check web site. Measure the gap required to carry your automobile to a whole cease from a delegated velocity (e.g., 60 km/h).
**2. Pedal Really feel Take a look at:** 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 harm. If needed, make any changes or replacements as wanted.
| Symptom | Trigger | Answer |
|---|---|---|
| Vibration or pulsation throughout braking | Warped rotors | Exchange or machine the rotors |
| Squealing or grinding noise | Glazed or worn brake pads | Exchange the brake pads |
| Spongy or smooth brake pedal | Air within the brake strains | Bleed the brake strains |
Further Ideas for Troubleshooting and Upkeep
1. Examine Your Brake Fluid Repeatedly
Your brake fluid is liable for transferring strain out of your brake pedal to your calipers. Guarantee its degree and alter it in keeping with the producer’s suggestions to keep up optimum braking efficiency.
2. Test Your Brake Strains for Leaks
Brake strains carry brake fluid from the grasp cylinder to your wheels. Repeatedly examine them for any cracks, leaks, or harm. When you detect a difficulty, have it addressed instantly to stop brake failure.
3. Monitor Your Brake Rotor Thickness
Over time, your brake rotors will put on down. Measure their thickness commonly utilizing a caliper or micrometer. In the event that they fall under the producer’s specified minimal thickness, substitute them to make sure secure and efficient braking.
4. Clear and Lubricate Brake Elements
Grime and particles can accumulate on brake elements, 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 clean operation.
5. Take a look at Drive After Changing Brake Elements
After changing any brake elements, take your automobile for a check drive. Hear for any uncommon noises or vibrations and make sure that your brakes are performing as anticipated. When you discover any points, seek the advice of a professional mechanic.
6. Contemplate Upgrading Your Brakes
When you commonly 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 laborious braking can prematurely put on down your brake elements. Brake easily and anticipate stops to cut back pointless friction in your pads and rotors.
8. Keep Correct Tire Inflation
Underinflated tires can improve braking distances and put further pressure in your brake system. Guarantee your tires are inflated to the proper strain as laid out in your automobile’s handbook.
9. Have Your Brakes Inspected Yearly
No matter your driving habits, it is advisable to have your brakes inspected yearly by a professional mechanic. They will determine any potential points early on and stop pricey 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, making certain correct brake operate and lengthening the lifetime of brake elements. Contemplate 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 | Test the brake fluid degree within the grasp cylinder and prime it up as wanted with contemporary brake fluid. |
| 8 | Pump the brake pedal a number of instances to distribute the brand new fluid via 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 precise instruments and a little bit of mechanical know-how. Here is a step-by-step information that will help you get the job carried out:
- Security first! Park your automobile on a degree floor and interact the parking brake.
- Loosen the lug nuts on the wheel you will be engaged on, however do not take away them utterly.
- Use a flooring jack to carry the automobile and place a jack stand underneath the designated jack level.
- Take away the lug nuts and take off the wheel.
- Find the caliper bolts and take away them. Fastidiously carry the caliper off the rotor and assist it with a bungee wire or wire.
- Take away the previous brake pads and examine the caliper and brake elements for any harm or put on.
- Clear and lubricate the caliper slide pins and some other 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. (Exchange 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.
- Take a look at drive your automobile and pay attention for any uncommon noises or vibrations. The brakes ought to really feel responsive and clean.
