Tip & How-To about Chevrolet Corvette

How to self bleed your brake system

If you are a do it yourself kind of person and need to know how to bleed your brake system after you have installed your new pads and reinstalled calipers here you are. First, you will need to have a bottle/container with dot 3 brake fluid in it. Next, you'll need about a 2 foot section of hose or tubing with the inside diameter just large enough to snugly fit over your bleeder valve and small enough so you will not allow air to enter into the system. Now that you have these 2 items, place one end of the hose over the bleeder valve, then take the other end of the hose and place it in your bottle of brake fluid, making sure the end of the hose is submerged. Now you'll need to take your wrench and loosen the bleeder about 1/4 turn to open the valve, now apply steady pressure to your brake pedal until it stops, then release (if your brake pedal drops right to the floorboard, you have an excessive amount of air in the system that will need to be bled out and this will require this step several times to expel all the air). If your pedal felt a little spongy do this step again and then close bleeder and repeat these steps on the opposite bleeder or wheel cylinders if you're working on a drum brake system. Be sure to check the fluid level in your master cylinder so you don't deplete it and allow air to enter in through an empty master cylinder. This method is how service technicians self bleed a brake system. Hope this helps you and thanks again for trusting fixya with your everyday questions. Edwin37323

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3 Answers

i put new brake pads on my 98 expedition the brakes bleed out but still dont have brakes do i need to reset the abs?

not sure why you are bleeding brakes just with new pad installation? anyway, since you had calipers off, make sure when reinstalled they were not turned 180 degrees. this would put the bleeders on the bottom instead of the top. bleeders on the bottom will never bleed air from calipers. what was the reason you bled calipers after pad installation?

Nov 29, 2012 | 1998 Ford Expedition

1 Answer

replace rear brake discs.. need step by step instruction

Chrysler has designed these for ease of service...remove the 2 bolts that hold the caliper in place...the rotor should pull off unless held in place by a thin metal washer on a lug bolt...remove and discard these retainers...most mechanics do not reinstall these...the rotors should be replaced along with the pads for best performance and smoothness...you can have the rotors measured to see if they can be resurfaced...(turned) you must push the caliper pistons back to flatness with the opening in order to install the new pads...after putting the rotor back into place on the hub...install the new pads and remount the caliper over the rotor...if you did not have to open any brake lines you do not need to bleed the system...inspect and fill the brake fluid reservoir as needed...do not be surprised that when first pressing on the brake pedal that it travels to the floor...it is resetting the pressure...and should pump up and hold pressure...test drive and reinspect/fill the brake reservoir again...Let me know if you have to open the system, I can help with bleeding instructions as needed...Hope this helps. Ceramic pads are the cleanest...sometimes slightly noisy until they warm up...

Aug 03, 2012 | 2006 Dodge Charger

2 Answers

front brakes installation

1) Block rear wheels and place Park brake ON
2) Jack up front end and use Jack Stands. If you dont have Jack Stands, you can use the Car Jack but when you remove the tire, slide the tire under the vehicle so that if it does fall off of the jack, it will land on the tire/rim and not your body. Always remember NEVER get any part of your body under the vehicle when it is not on Jack Stands.!!!!!
-- You can do 1 side at a time - Procedure is the same for Both Sides
3) Remove Tire
4) There are 2 bolts behind the brake caliper (the thing that holds the brake pads on.) You may need a special tool, it's kind of like an Allen Wrench, but it is sort of Star-Shaped, You can get these at any Car Parts Store. These bolts are inside 2 rubber tubes, don't remove these rubber tubes (like I did)....
5) Once you remove the 2 bolts, the caliper and shoes may then be lifted from the Brake Rotor.
-- Note: Once you remove the caliper, the brake rotor will come off. It is highly recommended that you take these brake rotors to a shop and have them 'turned'. If you don't, then your brake repair will result in faster wear of the new pads and may cause unbalanced braking. I know... I did the same thing trying to save money.
-- Or you can get new rotors and install them. They are not that much and new rotors will last longer than turned ones.
6) Remove the outer pad (Use a screw-driver to pry off the spring-holder.
7) To remove the inner pad, you should loosen the "Brake Bleed Valve" on the caliper and push the inner pad in *Pushing the piston in* This will make brake fluid come out of the bleed valve, so catch it in a pan. Once it's pushed in most of the way, Close the bleed-valve and then pry off the inner pad. If you DONT close the brake bleed valve and you try and pull the inner pad off, it will just **** AIR into the brake system, which sucks making step 16 that much harder...
8) Inspect the inner piston for rust / debrit. If there is damage to the piston, or you see brake fluid leakage anywhere on the caliper, you may have to get a new caliper.
9) Install the new inner pad by pressing it into the piston-Cup. You have to make sure you line up the pad also...
10) Install the new Outer Pad, Make sure that the locking clip Locks onto the caliper.
10a) This may be a good time to inspect your Axle and Wheel Bearings. If the Rubber is torn or missing from your axle (CV-Boot) that should be repaired.
11) Place the rotor back on the axle
12) Slip on the Caliper back over the rotor and make sure it is lined up properly to the caliper mount.
13) It is recommended to get NEW bolts, but if you dont, then re--install the bolts. Make sure they are tight.
14) Replace wheel.
15) Do the OTHER side.
16) Now that BOTH sides are done, you must now Bleed the Brake System.
-- You will need someone to sit inside the vehicle while you bleed the brakes.
a) Without the brake being pressed, make sure the Brake Fluid is topped filled to the Full Line.
b) Start the car
c) Start at the Right Rear of the vehicle
d) Tell the person to apply AND HOLD the brake pedal. Open the Bleed Valve and let air/fluid out. The driver should NOT let up on the pedal, but let it go to the floor and hold it there. Close the valve. Tell the driver to Pump and then HOLD the brake. Open the valve again letting air/fluid out. Driver should let the brake pedal go to the floor and hold, NEVER let up. Close the valve. You can repeat this process a few times until you hear NO air coming out.
d) Check the Brake Fluid Level make sure it's to the full line.
e) Move to the Left Rear Wheel and repeat step (d) for the Left Rear brake
f) Move to the Right Front and repeat step (d)
g) Move to the Left Front and repeat step (d).
17) Your brakes should now be bled. Make sure that the brake pedal does not feel "Mushy" but should feel "Firm". If it feels "Mushy", then you still have some air trapped in the brake lines and you need to bleed the brake system again.

I hope that this helps someone out there wanting to do their own brakes. This is not a End-All and All-Knowing procedure. I may also be missing some important things/steps that you must take. I am just sharing my experience in my doing my own brakes.

Apr 09, 2010 | 1994 Nissan Pickup

2 Answers

removed caliper and brake pads on 1991 240 volvo need info to put every thing back the right way.

Go to your local library and look up the procedure in a Volvo service manual. The manuals usually pics that are usefull. Haynes is the better and Bentley is best. Use Chilton or Motor as a last resort.

May 28, 2009 | 1991 Volvo 240

1 Answer


OK Jin, 1st I'd like to know if u know what kind of shape the brake pads are in, are they wearing evenly, (inner and outer, and both wheels) are they grinding metal on metal? If everything is wearing evenly, and u haven't gotten to the point of metal pads (brake lining worn off) grinding on the rotors, u can probably get away w/ just changing the pads, although to do a quality job, you should also remove the brake rotors, have them cut (ground down perfectly smooth and flat) by an auto shop (about $18 each in my area), and bleed the brake system to flush out the old fluid so u have new fluid in the system. You also may need calipers if break pads are not wearing evenly. Let me know condition of brake pads and other above questions, and I can give u more info. I'll be on the road tomorrow for 15+ hours tomorrow, so be patient for a reply! countrycurt0

Sep 27, 2008 | 1993 Oldsmobile Cutlass Ciera

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