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1990 Toyota 4runner 2.8l Diesel. Looses all power uphill and has brakes siezed on (i think).. not handbrake, only foot brake. Wont go over 40km/hr when this happens. It is spontaneous and not constant. Also have noticed the brake light (not handbrake) is on all the time now.... and the brakes pedal goes from feeling stiff to feeling very loose as though no brakes at all, and looses all braking. Mechanic only just fixed the brakes as I only bought this car 2 days ago... any help please...Id rather save my $ and not go back to the mechanic again if avoidable.

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From what you describe I would say that there is no fluid in the reservoir and the brake light on is from the fact that the fluid level is too low. That would account for the loose brake feeling. I would check the fluid level and if it is low or non existent then you have 2 options . Go back to the mechanic? and give him a serve as the job was not done properly and go to an accredited brake shop and have the brakes fixed properly. They may also be able to explain the brakes coming on --- possibly a failing booster

Posted on Feb 12, 2014


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Posted on Jan 02, 2017

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SOURCE: 1993 toyota landcruiser brake problem

sounds like vacuum brake booster diaphram has failed. its behind master cylinder and probably needs replacing.

Posted on May 08, 2009

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SOURCE: 1990 Toyota Corolla rear drums bad?

If your pads are completely gone then you may have damaged the drums if you still have any pads left or shoes if they are drum brakes then you still need to have your drums checked out for the proper size to still be there for the brakes to function properly. You won't know until you look at them or are shown them by a pro. who has measured and found them to be beyond reuse! If you had leaks then you will need to repair the brake calipers or the wheel cylinders depending on which system you have drum or disc they are different!!! Hope this helps someway !!
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Posted on Jul 05, 2009

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SOURCE: mechanic want to replace abs pump

This is interesting -- AND COUNTRY&year=2002

Was there any fluid leaking ?

Posted on Aug 08, 2009

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SOURCE: nissan sentra

It does not sound like air in the system or the pedal would pump up. I would tend to lean towards the brakes may need an adjustment and also the an adjustment to the rod at the master cylinder. You were very observant in noticing a change as that. You are correct in that the pedal should not travel so far as to be near the floor, this can cause an unsafe condition. Have this problem attended to soon to be safe.

Posted on Oct 19, 2009

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SOURCE: the handbrake light in my toyota corolla efi 1987

there may be two canisters.. one could be for your clutch for example, if they say on the cap 'only use dot 3 or 4 brake fluid etc... then dont be afraid to top them up.. the clutch is mostlikely smaller and the brake may be an oval shape split into 2 different sections and i would be mounted onto the brake booster which is a big ufo shaped thing, you reali cant miss it, if the light is still on you will have to get the mechanic to adjust the handbrake because it may not be fully releasing

Posted on Feb 10, 2010

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