Constant whirring sound in the engine compartment 2000 Exp.

HighSierra49er · Jan 25, 2018

I received my re-built ABS Module yesterday and installed it today. One day turnaround from Rapid Electronics, located just outside of Austin, Texas. Everything went back together a lot quicker than it came apart, and the brake system is back to working as it should. I took the truck a few minutes ago to a local repair shop to have the OBD scanned, and no issues found. A much less costly repair than I was expecting, and learned a bit more about the truck during the process. So much quieter without the pump motor running.

1955moose · Jan 25, 2018

Glad you got everything up and behaving right! Thanks for the new post, it will help other members with same issue.

Sent from my N9131 using Tapatalk

Presley98 · May 30, 2024

HighSierra49er said:
I came home from running errands tonight and shut off the Exp. and a loud continuous sound in the engine compartment was heard. Sounds like electric cooling fans, but don't have any. I disconnected the ground to the battery and the sound disappeared. Re-connect the battery and the sound comes right back. The truck starts really easy, and doesn't seem to be related to the sound, but I have to think maybe I have a relay issue with the starter, or a stuck solenoid. What else could be making a loud sound resembling a motor running and not turn off with the key? Starter drive?

Any thoughts?

Thanks in advance...

It is the device that has all the brake lines run into it and it looks like a computer that sits on top of a pump or something like that mine's doing it too but I have no idea what it is or how to fix it

Bestbob5150 · Jun 15, 2024

Hey I was reading your story and I had the same issue, it was my ABS PUMP !!
Try pulling the fuse and I'm going to be 99% sure that will be your issue !!

Please let me know, I think that might help?

Constant whirring sound in the engine compartment 2000 Exp.

HighSierra49er

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1955moose

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Presley98

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Bestbob5150

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