Question about Cars & Trucks
ABS and Blake lights come on while sitting at red lights and the brake pedal seems to slowly lose pressure. A code 78 comes on the scan tool at the repair station, but it is so vague. I have replaced almost everything on the brake system except for the Hydraulic Control Unit and the rear speed sensor. I don't think it is the sensor, due to the speedometer working all the time. The lights did go away for a week or two after bleeding the system, but now it is back again. Any help would be appreciated.
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Posted on Jan 02, 2017
SOURCE: bleeding abs brakes
WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.
CAUTION: Do not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.
CAUTION: Brake fluid is harmful to painted and plastic surface's. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.
NOTE: When any part of the hydraulic system has been disconnected for repair or installation of new components, air can get into the system and cause spongy brake pedal action. This requires bleeding of the hydraulic system after it has been correctly connected. The hydraulic system can be bled manually or with pressure bleeding equipment.
Posted on Nov 08, 2008
SOURCE: ABS pump failure
The problem is the solonoids inside the modulator are stuck, all you need to do is!!! Clear the code, than drive car while no abs light is on than lock the car a few times on wet road. The will help to free up the solonoids. Do this about 10 times, brake fluid is the only parts needed!!! Call me at 302 529 7888 if you like!!!
Posted on Feb 07, 2009
is it the front or rear locking up? you really have to have this truck loaded (load valve under bed) before the back brakes come on and i think these are the same as my 1999 2500 where the rear is only abs, and not on the front..dumb design i know, but thats how it is...determining if its rear abs only and which axle is locking up will help pin point the problem...i put 100000 miles on my dodge since i got it in 2001 and i put 8 sets of pads on the front and just changed the rear lining and thats only because the rear wheel cylinder was leaking causing the rear brakes to lock up..
Posted on Jun 20, 2009
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