Question about 1990 Lexus LS 400

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Having problem bleeding brakes cant find the brake screw to bleed brakes to build pressure in brakes in a 1990 lexus ls400.

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The bleeder screw is in the back next to the brake line into the caliper. Start the bleeding at the right rear, farthest from the reservoir. Then move towards the front left. Keep checking the fluid level and make sure you don't let go of the pedal with the screw loose. Get a 6 point box wrench on there , about 8mm, and a piece of hose to run the fluid into an empty can. Check it out, hope this helps.

Posted on Aug 29, 2010

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1 Answer

How do i build pressure to front brakes after replacing all the brake lines and bleeding them several times.


First off this is really a 2 person job. You need to make sure there are no air bubbles trapped inside the brake lines. Connect a tube to the bleeder valve and submerse the end of that tube under a container of brake fluid.... As you push down on your pedal you should see bubbles coming out of the tube. Keeping pumping on the brake pedal until no more bubbles come out.

https://www.youtube.com/watch?v=lPwM2vn3bT0

Feb 28, 2015 | 2002 GMC Sierra

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Need help bleeding clutch


Clutch bleeding can be problematic and I have had to resort to removing the slave cylinder but leaving the hydraulic line connected and raising it as far as the flexible pipe will allow. above the master cylinder and bleeding it in mid-air.

Reverse bleeding can be very effective and with a long-travel large capacity cylinder the piston can be pumped out to the limit of its travel and then forced very quickly back in as far as it will go.

Anotther type of reverse bleeding I have been forced to employ a few times is connecting the clutch bleed screw to a nearby brake bleed screw with some very good fitting hose. Both bleeders are opened and the clutch is bled by pumping the brake pedal. An assistant adds fluid to the brake reservoir and removes it from the clutch reservoir.
Four or five vigorous pumps usually does the trick.

Good luck!

Feb 12, 2015 | 1996 Ford Explorer

3 Answers

How to bleed the brakes after replacing the front caliper


Your master cylinder seals could be by- passing internally or it is not being bled right.
Try one of those self bleeder kits.Have a clear hose installed on the bleed nipple tightly and have it immersed in brake fluid in a jar -loosen nipple and slowly press the pedal till you see no bubbles in the hose then tighten nipple.ps- start from the furtherest wheel.

May 18, 2012 | 2002 Oldsmobile Alero

1 Answer

How do i bleed new brake caliper


Press brake, let off. Open bleed screw until the fluid runs out with no bubbles. Tighten bleed screw. Press brake and hold. Open bleed screw until pedal goes to floor then close bleed screw with pedal pressed to floor.. Fluid should come out with no air bubbles when open. If they are present repeat the last part.

Jan 16, 2011 | 1996 Lexus ES 300

1 Answer

What are the proper steps to bleeding your brakes on a 1990 vw golf deisel


For left hand drive vehicles: (If the car does not have ABS system you do not need any diagnostic equipment!)

IMPORTANT NOTE: You need using diagnostic equipment connected to the data link connector of the car in order to bleed the ABS block. Follow instructions by scantool equipment for bleeding the ABS block.


1. This bleeding procedure requires two people. Remove the brake system reservoir cap, and fill up with new brake fluid until "MAX" level is reached.
2. Lift the car, or use a channel for access under vehicle.
3. Put the gearbox in "N" - Neutral position, or in "P" - Parking position for automatic transmission.
4. Start the engine and push the brake pedal firmly for 4 - 5 times to the floor, and maintain the brake pedal pushed to the floor.
5. Begin with the rear right wheel. Another person remove the dust cap and loose the brake caliper bleeding screw until the brake pedal goes to the floor. At this moment maintain the brake pedal pushed to the floor, engine idling, and tight the brake caliper bleeding screw. Use a plastic hose: one end connected to the brake caliper bleeding screw, and another end inside a recovery bottle for used brake fluid.
6. Repeat steps no.#4 and no.#5 until no air flows through the brake caliper bleeding screw. Tight the brake caliper bleeding screw, and put the dust cap in their place.

IMPORTANT NOTE: All the time check the brake fluid level in the brake system reservoir, and fill up if necessary!

7. Push the brake pedal firmly for 4 - 5 times to the floor, and maintain the brake pedal pushed to the floor, engine idling.
8. Continue with the rear left wheel. Another person remove the dust cap and loose the brake caliper bleeding screw until the brake pedal goes to the floor. At this moment maintain the brake pedal pushed to the floor, engine idling, and tight the brake caliper bleeding screw. Use a plastic hose: one end connected to the brake caliper bleeding screw, and another end inside a recovery bottle for used brake fluid.
9. Repeat steps no.#7 and no.#8 until no air flows through the brake caliper bleeding screw. Tight the brake caliper bleeding screw, and put the dust cap in their place.

IMPORTANT NOTE: All the time check the brake fluid level in the brake system reservoir, and fill up if necessary!

10. Push the brake pedal firmly for 4 - 5 times to the floor, and maintain the brake pedal pushed to the floor, engine idling.
11. Continue with the front right wheel. Another person remove the dust cap and loose the brake caliper bleeding screw until the brake pedal goes to the floor. At this moment maintain the brake pedal pushed to the floor, engine idling, and tight the brake caliper bleeding screw. Use a plastic hose: one end connected to the brake caliper bleeding screw, and another end inside a recovery bottle for used brake fluid.
12. Repeat steps no.#10 and no.#11 until no air flows through the brake caliper bleeding screw. Tight the brake caliper bleeding screw, and put the dust cap in their place.

IMPORTANT NOTE: All the time check the brake fluid level in the brake system reservoir, and fill up if necessary!

13. Push the brake pedal firmly for 4 - 5 times to the floor, and maintain the brake pedal pushed to the floor, engine idling.
14. Continue with the front left wheel. Another person remove the dust cap and loose the brake caliper bleeding screw until the brake pedal goes to the floor. At this moment maintain the brake pedal pushed to the floor, engine idling, and tight the brake caliper bleeding screw. Use a plastic hose: one end connected to the brake caliper bleeding screw, and another end inside a recovery bottle for used brake fluid.
15. Repeat steps no.#13 and no.#14 until no air flows through the brake caliper bleeding screw. Tight the brake caliper bleeding screw, and put the dust cap in their place.
16. Now the brakes are bleeded. Check the brake fluid level in the reservoir. Fill up with new brake fluid until "MAX" level is reached. Put back the brake reservoir cap.
17. Test the car brake system. The brake pedal movement no more than 1/3 of total stroke until the floor, when brake pedal is applied. Maximum admissible is 1/2 of total stroke.

Dec 06, 2010 | Volkswagen Golf Cars & Trucks

1 Answer

Just Put New Brake Line On,Now Can`t Pump up Brakes After Bleeding.


WHEN BLEEDING THE BRAKES, YOU MUST HAVE A FULL RESEVOIR WITH CAP ON. START WITH PASS. REAR, PUMP BRAKE PEDLE ALL THE WAY DOWN ABOUT 3 TIMES AND HOLD DOWN. OPEN BLEEDER SCREW TILL NOTHING COMES OUT, THEN CLOSE. REPEAT UNTIL THERE IS NO AIR COMING OUT. IT IS IMPORTANT TO BUILD UP PRESSURE WITH ATLEAST 3 PUMPS IN ORDER FOR THIS TO WORK. REPEAT ON DRIVER REAR, THE PASS. FRONT, THEN DRIVER FRONT. HOPE THIS HELPS.

Oct 10, 2010 | 1990 Oldsmobile Regency

5 Answers

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


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

May 31, 2010 | 1990 Toyota 4Runner

1 Answer

Our kia amanti's breaks build up and stop the car, then when we use a wrench and blead the line under the hood the breaks start working normally again.


do you mean that you pump the brakes to build up pressure in order to stop?

bleeding brakes requires you to bleed them from each wheel starting at the right rear. procede as follows: have someone sit in the drivers seat. have them pump the brakes slowly and forceably to build up pressure. maintain force on the pedal. starting at the right rear, open the bleed screw slowly. the pedal will go to the floor and the fluid will drain. hold the pedal to the floor and tighten the bleed screw. repeat this procedure several times until you are sure there is no air in the line. follow these steps at each wheel- left rear, right front, left front. keep reservoir filled with fluid. fill after each wheel. (note) get a length of rubber hose that fits snuggly over the end of the bleed screw
and drain fluid into a container.

i think you were draining the anti-lock brake system. in which, case follow the steps above for that also.

Feb 25, 2010 | 2005 Kia Amanti

1 Answer

95 Lexus ls400, replaced the master cylinder and


check the vacum lines going to the brake booster. if everything is connected properly you may need a new booster.

Oct 01, 2009 | 1995 Lexus LS 400

2 Answers

Cant bleed out brakes


It takes time, do you know the sequence to bleed the brakes? Most cars r different. And you have to keep pouring brake fluid, That is a two person job. Make sure all lines r connected to MC and not leaking. After a while if nothing comes out MC could be diffective.

Jun 06, 2009 | 1990 Toyota 4Runner

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