Question about 1990 Nissan Pulsar

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Pedal to the floor, topped up fluid - brakes OK, warning light ON

After topping up the brake fluid (pedal to the floor!!) the brakes now work as expected/normal but the console brake warning light now stays on. Is there a reset required for this? Advice gratefully received.

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  • mellimon Sep 13, 2009

    Thank you very much for this advice. Once bled I presume the light should then go out. Is that correct or is there anything else that needs to be done please?

  • daniel  hendrickson
    daniel hendrickson May 11, 2010

    not right yet,you still need to bleed the air out of the brake lines to recover the pedal loss you say you still have,you still may also have a leak,if your good at turning wrenches you can fix it,but do it now, the added expense is a lot cheaper than a wreck from not stopping and a law suit for a rear end collision



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If you have an ABS computer, unplug it for a few minutes, the light should clear.

Posted on Sep 13, 2009


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Sounds like you've lost the hydraulic pressure in the brake system.
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1. Open the hood and check the brake fluid reservoir to make sure it's full of brake fluid. If not, top it off with the recommend brake fluid.
2. Try the brake pedal again, with the car running in PARK, press a few times and see if the pedal "firms up".
3. If it does, press and hold the brake pedal with the motor still running. Look to see if the pedal slowly sinks to the floor or if it's a bit "mushy" or feels ok.

If the pedal sinks to the floor, you've got a major leak in the brake system. This could be from one of the wheel cylinders, from the disk brake caliper piston, a damage brake hose, brake line, a faulty master cylinder, power brake booster.
The best way to check is a visual inspection. Look around each wheel- look for fluid leaks, for signs of fluid where you park, on the axles, under the hood near the brake fluid reservoir, etc.
If after the fluid is topped off, you get a mushy pedal, I would suggest getting the brakes "bled". Bleeding the brakes simply means getting all the air out of the brake lines. (Air compresses where brake fluid won't- if the pedal is mushy it's got air.)
If you've not done brake work before, I highly recommend taking it to a local mechanic to help you out. You really want to KNOW that your brakes are going to be there when you need them. So if in doubt have a mechanic check it out.

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