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Questions and Answers

Dodge Caravan Has ABS Problems

Q. Dear Vincent, For the last six months, I have been repeated problems with my brake system. I first went to a mechanic six months ago and he said I had a faulty ABS, so I replaced the ABS system with a used one. My car worked fine for a week, and then started the same problem. I went to many people, all of them said that I have to replace the whole ABS again.

Dodge Caravan Has ABS Problems

Fortunately a friend of mine said that the Dodge Caravan comes with a Pump Motor Assembly, I changed the motor and the brakes seemed to work fine for a day, and then the pump won't shut off now. It runs constantly and the brakes become very hard.

When I press the pedal I can feel the pump grind the pedal. I took off the relay that connects the pump, afraid that the pump might burn off. I'm stuck now, no one knows what the problem is, please be kind enough to guide me in taking my next step. Appreciate your time and help.

  • 1992 Dodge, Caravan SE
  • 3.3 liter V-6
  • Automatic transmission
  • 225,565
  • Fuel Injection
  • ABS brakes
  • P/S, A/C, Cruise control
  • Rack and pinion steering

Best Regards,
Nasi

A. It sounds like your vehicle is equipped with the older Bendix 10 anti-lock brake system. Based on the symptoms you describe I would suspect the dual function pressure switch is malfunctioning or that the hydraulic accumulator is leaking or faulty in some way.

However, you didn’t indicate whether the ABS warning light on the dashboard is on which makes me wonder if your Controller Anti-lock Brake System (CAB) is malfunctioning. I don’t recommend that the accumulator be serviced by anyone other than a certified technician. This is due to extremely high pressures (up to 2000 PSI) in the system.

If in fact the fault light is on, then your problem would likely lie with the aforementioned pressure sensor of the actual accumulator tank itself.

Additional Information provided courtesy of AllDATA

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