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Re: brake rotor replacement on 2004 matrix
If you are talking about the brake rotors, you do NOT remove the 30 mm nut. That nut just holds the axle shaft to the hub. Remove the caliper and the caliper bracket, the rotor should come off, you may have to tap the brake rotor to dislodge it from the center hub.
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The brake rotors on a Toyota Matrix
are an extremely important aspect of the brake system. Over time, the
rotors, which are the round disc that the caliper and brake pads clamp
when the brakes are applied, can get scored, warped or simply wear too
thin from use. Rotors should be regularly inspected for wear and
replaced if necessary to ensure that your Matrix's brakes function
properly and safely. Replacing rotors is a simple job that can be done in a few hours
Loosen the lug nuts that fasten the wheels on. Raise the Matrix with a jack and support it securely with jack stands. Remove the wheels.
Clean the brake caliper, rotor and nearby areas with brake
cleaner and a clean rag. Make sure there is no dirt, oil or contaminants
on the brake components.
Remove the bolts that hold the caliper to the caliper
mounting bracket. There will be two bolts that can be removed with a
socket and ratchet or an open-ended wrench.
Slide the caliper off of the rotor. Support the caliper with a
piece of wire or string so that the weight of it is not on the brake
line, which could be damaged from the weight of the caliper.
Remove the caliper mounting bracket by removing the two bolts with a ratchet or an open-ended wrench. Set the bracket aside.
Pull the rotor straight off of the hub. On the Matrix,
the rotors are not bolted on with anything, once the wheel and the
caliper are out of the way. However, the rotor may be frozen onto the
hub from years of dirt and rust. Use a rubber mallet to tap the rotor
1. Put your car on a level spot for safety and start your car Sienna. 2. For left front rotor, turn your steering wheel to the left all the way and stop the engine. DO NOT put emergency brake on! Put stopping blocks on the passenger front front, rear right and rwear left for safety. 3. Half loosen all front left tire nuts and jack up the left front then loosen all nuts and take the wheel off. 4. Use a 3" G-clamp from Lowes, Home Depot or any store near you, press against brake cylinder so that brake fluid flows back to its reservoir 4. Remove one bolt on the caliper and the other bolt loosen and lift the caliper with the other bolt on and rest on a block. Do not take the rubber hose off nor attend to loosen any brake fluid pipes and nuts. 5. Remove brake pads and remove the nuts on the rotor, done. If you need further assitance please let me know and if this assisted you please feel free to rate the solution accordingly. Thanks, Midwest-tek
If they are not worn beyond tollerance they can be machined on the vehicle.
Also make sure its not tyres or wheel bearings.
remove brake caliper( leave the hose connected)
remove centre cap
remove split pin and lock
unscrew bearing hub nut
rotor should come off
fit new bearing races in new rotor
grease new bearings
fit inside bearing and seal
refit rotor, outer bearing,washer,nut,lock, splitpin and centre cap
(tighten nut until no play in bearing plus 1\8 of a turn)
refit caliper and wheel
bleed and test brakes before driving
You must remove the brake caliper first then there should be a nut with cotter pin that holds it to the shaft some have a cotter pin some do not, but there should be a nut holding it on, remove nut slide rotor off, pack new bearings with grease then slide new rotor on, install nut and brake caliper, you may need to press caliper piston back in if it is too tight on the new rotor, use a c clamp to press piston back in.
CAUTION: Do not use heat to loosen a seized lug nut . Heat can damage the wheel and the wheel bearings. Loosen the lug nuts.
Remove the center cap.
With the weight of the vehicle on the wheels, loosen the lug nuts.
WARNING: THE ELECTRICAL POWER TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO HOISTING, JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE AIR SUSPENSION SWITCH LOCATED IN THE RH KICK PANEL AREA. FAILURE TO DO SO MAY RESULT IN UNEXPECTED INFLATION OR DEFLATION OF THE AIR SPRINGS WHICH MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE OPERATIONS. Raise and support the vehicle.
Remove the wheel and tire assembly.
Remove the lug nuts.
Remove the wheel and tire assembly.
CAUTION: Replace the lining if worn to or past specifications. Replace the brake shoes and linings in complete axle sets. Inspect the brake shoes and linings for wear or contamination.
WARNING: BRAKE FLUID CONTAINS POLYGLYCOL ETHERS AND POLYGLYCOLS. AVOID CONTACT WITH EYES. WASH HANDS THOROUGHLY AFTER HANDLING. IF BRAKE FLUID CONTACTS EYES, FLUSH EYES WITH RUNNING WATER FOR 15 MINUTES. GET MEDICAL ATTENTION IF IRRITATION PERSISTS. IF TAKEN INTERNALLY, DRINK WATER AND INDUCE VOMITING. GET MEDICAL ATTENTION IMMEDIATELY. Disconnect the front brake hose (2078).
Remove the front brake hose bolt.
Remove the copper washers. Plug the front brake hose.
Disconnect the front brake hose
Remove the disc brake caliper (2B120).
Remove the two caliper bolts.
Lift the front disc brake caliper (2B121) off the front disc brake caliper anchor plate.
On 4x2 vehicles, measure the front disc brake hub and rotor (1102) thickness.
Replace the front disc brake hub and rotor if not within specifications 27.7mm Min.
On 4x4 vehicles, measure the front disc brake rotor thickness.
Replace thhe front disc brake rotor if not within specifications. 27.7mm Min.
YOU HAVE TO SAFELY RAISE SUPPORT VAN ON JACK STANDS.REMOVE BRAKE CALIPER AND BRAKE PADS DONT DISCONNECT BRAKE LINE.THEN MOVE DUST CAP OR GREASE CAP.REMOVE COTTER PIN SPINDLE NUT AND WASHER.THEN THE ROTOR NUT.YOU NEED A HAYNES OR CHILTON MANUAL.BECAUSE YOU HAVE TO ADJUST WHEEL BEARING WHEN YOU REPLACE ROTORS.
Use a small punch and hammer out the crimp as much as possible. Then remove the center nut. The nut should be replaced with a new one. Sometimes a new rotor will come with the nut. If you are refacing the old rotor, you will have to get a new nut from a parts store.
If it's like most BMW brake rotors you don't remove the center nut to remove the rotor. You should see a slotted screw in the rotor a couple of inches out from the center. Remove it and the rotor comes off. Might have to tap rotor with a rubber mallet but it should come right off.