Question about Volvo S80

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Front brakes no pedal

New front brake pads Started engine. But brakes don't work

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  • Volvo Master
  • 354 Answers

If you installed the brakes yourself you have to pump the brake pedal a few times to get the calipers up. If you opened the brake bleeder valve for any reason then the brake hydraulic system has to be purged of all air. This is called bleeding the brakes.

Posted on Mar 22, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: New front brake pads installed.

you have to see if a sensor for abs was not damaged while the brake pad was change check that out if you dont see a crack or broken check the wire that go on the front table the wire crack and does our symtom hope it a fixya

Posted on Jul 31, 2008

  • 2 Answers

SOURCE: Brakes no longer work in 1989 Chevy half ton pickup 2 wheel drive 350cubic inch

change dump valve under master cylinder

Posted on Aug 17, 2008

jmassengill
  • 345 Answers

SOURCE: replaced braked pads - now VDC and Slip Lights are on

I would take the car to almost any auto parts store and ask them to check the ODB II computer for codes and to reset the "Check engine light". Get the code that they tell you and it should go a long way to pointing you in the right direction to fixing this problem. It might also be that when you pumped the brakes that you somehow set a code in the computer from the ABS system and now that you have the brakes pumped up and working correctly resetting the Check engine light might fix your problem.

Good luck! Write back with any code you get and I'll see if I can help you figure out what the problem might be.

Posted on Jan 06, 2009

chryslertech
  • 115 Answers

SOURCE: 2006 grand caravan abs and brake light on and off

If the ABS lite is comming on, the module is detecting a problem in that system. There will most likely be a code in the computer. take it to your dealer and have it check. The most common problem i see in these is a failed speed sensor.

Posted on Mar 15, 2009

juststinks
  • 98 Answers

SOURCE: changing front brake pads, brake fluid starting leaking after removing bolts

there should be no brake fluid comming from the caliaber at all.look on the in side of the caliaber on the top and bottom you should see 2 long bolts. they may be hexagon,allen key, or a bolt. there are the 2 you are looking for. DO NOT SET PARKING BRAKE. when you take the bolts out you will see 2 small shafts where the bolts came out of. they must be push back in flat with the caliaber ( you may or may not have them). you have to open the lid where you add brake fluid. now take off the front pad leave the pad on in the hole. take your C-CLAMP and place it over the caliaber and the brake pab and compress the piston until it flat with the caliaber. ( you will repeat this on the other side ) at this point take your dic brakequit spred a coating on the parts thats need. ( referr to the old parts ) dont get anything on the front of the pad. let the pad sit for about 5min. ( smoke a cigarette. if you dont smoke i will teach that in part 2 ) now that the dic brake is tacky place the one that fixs in the hole on first now the outter one. slide it back on you may have to tap it in place after its seated replace the bolts. now your going to see that it has a gap between the brake pad and the rotor.replace the lid on where you add brake fuild. put the tier back on the car and pump your brakes. it should get hard. ( not you the brake pedal ) now repeat these steps for the other side.

you may have two bleed your brakes because you let fuild out that means you let air in. PLEASE let me know if this helped you.

Posted on May 10, 2009

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Pretty normal to not be able to lock the brakes without the assistance of the booster, it'll take a lot of pedal pressure without it. It's also normal for the pedal to feel harder without the booster, this goes for any car/truck with power brakes. Try it with any other car you have and you'll see.

I've worked on several old Cadis but don't recall what year they started using front disc. If it's been changed from drum to disc you'll likely need a different proportioning valve and possibly a different master to get them to work right. Talk to the seller and ask if the brake feel changed when they replaced the master and if they changed any other parts.

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Replaced some brake line, rear pads and one rear wheel cylinder. Now no pressure and nothing happening when trying to bleed.


Does the car have ABS ? And does it have an equalizer block for the 4 wheels ?
It sounds like the ABS has been affected, or there is an equalizer block that is stuck on the front wheels only.
Can you open the bleeder or the rear line on the master cyl and get fluid to come out by depressing the pedal ?

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1993 buick lesabre changed the front rotars and pads and now the cars brake pedal is so hard to push down to get car to stop. Mechanic has checked both the front and back brakes and they are fine. T


I would jack up a front wheel and see if pushing on the pedal with the engine running will stop the wheel from turning.
You need to know if the pressure is reaching the wheels, or if the pads and rotors are too slick to stop the car.
Usually if the pedal is hard, the booster is not working or the brakes are glazed.
Can you stop the car with the parking brake ? That only uses the rear brakes.
You may need a second opinion from a different shop.

Jul 19, 2012 | Buick LeSabre Cars & Trucks

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Brake pedal soft after changing pads and bleeding brakes


You will need to bleed the brake system. I would start with the rear brakes lines and work towards the front.You must have key off engine off when bleeding brakes, apply pressure on brake pedal 10 times and hold. The brake line is now ready to be open. Open and let the stream of fluid come out and close the line tight. Then release brake pedal once bleeder screw is close. This procedure must be repeated twice front and back. After, brakes have been bleed pump the brake pedal before putting in drive.
Note: Don't let the resevoir run low on brake fluid. This will cause air bubbles to accumulate on the brake system. Always top off before opening bleeder screw.

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SIr, I have a land cruiser 1985 BJ74, it has a brake problem, i have to press brake pedal with a reasonable of force to get it work, further my suv slightly turns to either left or right on braking....


Hi, it sounds like your front calipers need servicing, they are not working properly (seized/sticking)and it is quite possible that all your problems are related to your brakes, front brakes in particular, have your local mechanic look at them, it will be costly as you will find you will need new rotors (might get away just machining them), brake pads, reconditioning (if its servicable) brake calipers.

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Fading brake pedal when engine running , have replace front pads, master cylinder and bleed entire system, pedal is firm with engine off but once started pedal fades to floor


Hold pedal down firmly with vehicle not running. Now start it up still holding pedal down firmly. Does it go to the floor when engine is started? If so I would look at the brake booster. It may be defective.

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it could be that the master cylinder is bad or the brake booster is bad also check the vacum hose going to the brake booster if it has a hole in it it will lose pressure and make the engine lose rpms

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Changed front brake pads. brake pedal goes to floor. no brakes


Something doesn't sound right, you shouldn't have to remove the brake line to install pads. Did you have to do this on both sides? Do the new pads and the old pads look the same? Did you get the caliper on crooked? Just recheck your work first before replacing more parts. When you install the caliper, You have to hook the pad on one side first before you slide it over the rotor.

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