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ABS pump runs constantly when key is off

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Old 02-15-2008, 08:22 PM
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Default ABS pump runs constantly when key is off

I have a problem that developed today. When driving home from work my ABS and brake warning lights came on and I heard a whining noise from under the hood. When I got the truck home and turned off the ignition, I heard the noise and opened the hood. I felt the ABS pump and it was the noise. Any suggestions? Maybe ( I hope) a reset for the pump? A definite service problem? I had to remove the negative connection of the battery to get the pump to stop. [:@]

Thanks guys,

Ed
 
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Old 02-15-2008, 08:25 PM
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Default RE: ABS pump runs constantly when key is off

Forgot to add. this is a 2003 Ram Quad Cab 5.7 L
 
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Old 02-15-2008, 09:09 PM
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Default RE: ABS pump runs constantly when key is off

Have you tried hooking the battery back up to see if it will stop? Is it wet or slushy where you are driving today?
 
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Old 02-15-2008, 09:36 PM
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Default RE: ABS pump runs constantly when key is off

I Am Not Much of A 12v Diagnostic Man. But Any 24V Aplication, I'd Say Check The Relay.. It Might Be Stuck. Had That Problem With My Fuel Pump On My Jeep.
 
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Old 02-15-2008, 09:36 PM
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Default RE: ABS pump runs constantly when key is off

Hi Toolman74,

Yeah,I left the battery disconnected for about 20 minutes when I got home and reconnected and itstarted running again. So I left the battery disconnected for tonight. I will try it again tomorrow morning. The pedal did not feel mushy and I didn't notice a loss of braking power. But I only drove it about 7 blocks in the neighborhood to the house. I should have noticed something but it felt ok. I thought I smelled some what I would call "fluid burn" or real hot fluid, not motor oil. There were no leaks on the ground where I parked in the driveway either.

Ed
 



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