Question about 1990 Toyota 4Runner

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Is there a bleeding sequence for a 1990 Toyota Four Runner? We replaced one front driver side brake line and both calipers and we cannot seem to get it to bleed properly. Thanks

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  • Toyota Master
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The parts u changed thats a lot of air to bleed ---regular procedure for bleeding brakes is to start with the furtherest than work ur way to the closest -start with the rear pass side rear drivers side than pass front last drivers front

Posted on May 31, 2010

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Yes always bleed the brake farthest from the master clyinder first then the next closest and so on. gravity bleeding is the easiest which is where you open the bleed screw and hook a clear tube to it and run it into a clean jar or can. let it run until its a stedy stream with no bubbles ande close the bleed screw. make sure you watch the resivoir and keep it full. never leave it open as brake fluid is very hydroscopic and will absorb moisture from the air very fast. this includes the brake fluid supply bottle or container. if you just can get a good hard pedal then sometimes its worth taking it to a shop for a pressure bleed of the system. never drive there unless you have adequate brake action to safely stop your car. ggod luck.

Posted on May 31, 2010

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Hi: Yes The is a Bleeding Procedure,I just use the Rule of Thumb, That is Start From The Bleeding your System From the Passenger Side Rea Brake 1st, Next the Drivers Side Rear, Move Up to The Front Brakes And Bled The Passenger Side The the Front Drivers Side will be Your Last To Bleed. Hope This Helps You Let Me Know Please By Voting And Sending A Testamonie On How My Solution Has Helped You. From The WYOCWBOY

Posted on May 31, 2010

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  • Master
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Technically there is a bleeding sequence. R/R, L/R, R/F, L/F. If all you did was the front, let the front gravity bleed by filling the resevoir and opening the bleeder valves. When fluid is at a steady drip close the bleeders. Instead of pumping the pedal, go to you left front and have someone press the brake pedal THEN you open the bleeder. Do this until the fluid comes straight with no air bubbles. Then go to your right side. Don't pump! It wouldn't hurt to bleed the rears after just to be safe. Adjust the rear brakes to a slight drag and you should be good to go. Let me know if you need more help.

Posted on May 31, 2010

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  • Master
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Normally, the brakes are bled starting from the furthest brake to the closest with respect to the master brake cylinder. the sequence is : right rear, left rear, right front, left front. pump the brakes until pressure is built up. do this rather slowly. while keeping downward pressure on the pedal, open the bleed screw slowly. the pedal will go to the floor. hold the pedal on the floor and tighten the bleed screw. do this until no air is observed. keep the reservoir. repeat with the rest of the brakes following in sequence

http://www.aa1car.com/library/2003/bf90347.htm

Posted on May 31, 2010

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