Range Rover P38 (2nd Gen) Talk about the Land Rover Range Rover P38 within.

ABS pump replacement gone wrong

Old Jan 6, 2024 | 08:09 PM
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navyblu3's Avatar
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Default ABS pump replacement gone wrong

recently my ABS pump went. i would hear the pump run for longer then 5 minutes and i had the 3 lights (ABS, PARKING BREAK, TC) and i couldn't figure it out until someone on the other forums informed me that it sounded like my pump was shot. i purchased a used one off ebay that was listed as working but when i installed it today the pump wouldnt even make a peep and the lights on the dash remained. i didn't get to bleed the master cylinder as i wanted to make sure the pump functioned before going through the entire bleeding procedure but i wasn't getting any noise from the pump. i then decided that maybe the pressure switch was faulty so i replaced it with the pressure switch on my old abs brake pump and still nothing. i plugged up the nanocom to attempt to the bleed on just the nanocom to see if maybe that changes something but i kept getting a "unable to connect to ecu" error on nanocom. i let the car run a bit and still the three lights remained.

not sure where to go now. any assistance would be much appreciated.
 
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Old Jan 6, 2024 | 09:10 PM
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navyblu3's Avatar
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i have to also add that just recentely opened up my fusebox to fix the positive feed because it was completely cooked out. i fixed it and check all other solders to make sure they were good and everything was pretty solid. also tried another relay to make sure the relay wasn't cooked either.
 
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Old Jan 7, 2024 | 09:47 AM
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just another follow up here. bypassed the relay, pump is in fact working. i let the system get up to pressure which took less than 30 seconds and then i pressed the brakes a couple times to see what would happen.

everytime i press the brakes i hear the pump go off and the traction control light goes on everytime i press the brakes. after a couple presses i get a "traction control overheat" fault on the dash, could this be a bad accumulator on my new pump?

i checked faults as i was able to connect to ECU and no faults on nanocom
 
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