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My 1990 fourrunner doesn't have brakes they go

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  • 36 Answers

Id replace the master cylinder and make sure to bleed all wheel not just 3

Posted on Jul 16, 2013

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Posted on Jan 02, 2017

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SOURCE: brakes

Did you have this problem before you replaced the M/C? Inspect your brake system for leaks, especially the rubber hoses. Make sure all fittings are tight. Sometimes the caliper's seal around the piston will allow air to **** in, but won't leak fluid. Many cars from the 80's onward had pistons made out of plastic which causes a sticking and leaking problem. Many times rebuilt, loaded with pads, calipers cost just a little more than what a reseal kit costs. They have to be cutting corners somewhere.

If your vehicle has ABS, sometimes you have to hook a scanner up to bleed the brakes correctly. If you don't have ABS, you probably have a proportioning valve and these can cause trouble, especially on a high mileage vehicle.

Posted on Jun 11, 2008

  • 142 Answers

SOURCE: the brake lines ruptured above the gas tank, i replaced them..

Bleed the master cylinder and then rebleed the brakes. If you are still getting a spongy pedal after this then your master cylinder is bad.
Please rate this and let me know if this solved your problem.

Posted on Feb 11, 2009

duane_wong
  • 6826 Answers

SOURCE: Bleeding front brakes and brake

Must bleed all four brakes to determine if there is air in the lines.

If after bleeding several times, the brake pedal still goes to the floor board, the master cylinder may be determined to be bad.

Posted on Aug 12, 2010

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I have to push my brake pedal all the way to the floor for the brakes to apply


new MC. time
if no leaks.
if really really bled.
new MC
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1990 toyota pickup brake schematic


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Sounds like the calipers weren't bled or weren't bled sufficiently. You should have a helper pump up the brakes. Then you should open one of the bleeder screws. The brake pedal should fall to the floor and air and/or fluid sould come out.. Close the bleeder before your helper lets the brake pedal up. If any air comes out repeat the process until only fluid comes out. Now repeat the process on the other caliper. Be sure to check the fluid level in the reservoir often to make sure it doesn't go empty.

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Have no brake pressure, pedal goes straight to floor, put on new calipers and pads and bled the lines but I am no better off.


Sounds like a bad brake booster. To test, pump up the brakes with the engine off. While holding the brake pedal down,start the car. The brake pedal should drop a couple of inches and hold. If it doesn't, replace the booster.

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I change breaks pads on my 08 jeep compas after that i push pedal breaks end not i dond have pressure on pedal way? thanks


sounds like you got air in your brake lines from where you changed your pads thier should be a bleeder valve on your brakes get a friend to hold the brake pedal to the floor while you take a wrench and break the valve open when the pedal hits the floor close the valve just continue doing that until pure brake fluid comes out without air bubbles start at the master cylinder under the hood and don't stop until you have done all four corners if that doesn't fix it you might need a brake booster

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Clutch pedal goes strait to the floor??clutch won't bleed up??


It has air bubbles on the piping, fill the deposit with brake solution, and push and pull the clutch pedal with your hand it doesn't matter if it goes straight to the floor if that happens pull it with your hand, repeat that as if you are bleeding it up, then disconnect the piping beneath the car, the air bubbles will be forced out, then reconnect the piping and repeat the procedure, push and pull the clutch pedal like a 100 times, then disconnect the piping and reconnect. The clutch pedal should be able to go back when there is no air on the piping. If that doesn't work, replace your clutch pump

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My brake warning light is on fluid is good and it sounds like i am just pumping air and the pedal has to be pressed down to the floor


Sounds like you have to bleed the brakes. Check that the brake fluid reservoir cap doesn't have a ripped or leaking gasket. I would recommend bleeding your brakes.

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On 2 seperate occassions the brakes on my 2007 Sienna van gave out for no apparent reason. While approaching a stop sign I applied the brake but the pedal went to the floor .no brakes ...The 2nd time I was...


i have had several sequoias and tundras in my shop with the same complaint , i think its an issue toyota knows about but doesn't want to admit , i think they dont know how to fix it ,although in one instance we got a code for the master cyl psi switch and the customer states after we changed it the "no brake pedal " went away

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When clutch is let out all the way, truck will barely move, why?


clutch wear,, it should catch an inch or so from the floor, if not, try to adjust the cable, if that doesn't help its time for a new disc at min. clutches are just like brakes, they wear out

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