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I have a 2005 ford f750 with abs problem have a code pump

Customer Question
I have a 2005 ford...
I have a 2005 ford f750 with abs problem have a code for hydraulic pump motor sid 54 fmi 7,back up motor works fine,
Submitted: 2 years ago.Category: Medium and Heavy Trucks
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Answered in 11 hours by:
10/21/2015
Technician: Jeremy, Certified Truck/Bus Technician replied 2 years ago
Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3,393
Experience: ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician
Verified

My name is ***** ***** I will assist you.

Do you have the Meritor software for this system by chance?

When you say the motor works, it works properly? As in key off, press pedal and get activation? Key on, engine off, pump runs constant? Engine running, pump doesn't engage at all?

If these are all good, next is to check the wiring to the ABS from the motor. The fmi 7 means the motor is not working or pumping properly. Check the pressure off the motor and verify that there is actual pumping and not just noise off the pump. If it is working, then there could be an issue with the module itself. It will be hard to determine unless you have the Meritor software to diagnose it further.

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Thank you for allowing me to assist you through Just Answer!

Jeremy

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Customer reply replied 2 years ago

to see if pump is working ,I remove the return line off the hydro boost and hit brake,no fluid come out.so is the pump bad ?

Technician: Jeremy, Certified Truck/Bus Technician replied 2 years ago

Yes. If you have no fluid, the pump isn't pumping the fluid like it is supposed to. That pump is to work in place when the truck is off to pressurize the fluid. If you have no pressure, then the pump in the end of the motor is shit and that tells me the motor is spinning, but the shaft is burnt out of the pump. It is just free spinning in that pump.

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Technician: Jeremy, Certified Truck/Bus Technician replied 2 years ago

Do you still need assistance with this?

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Technician: Jeremy, Certified Truck/Bus Technician replied 2 years ago

Did you need anymore assistance with this? I'm following up since the question is still showing as open/unresolved. Thanks.

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Jeremy
Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3,393
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Experience: ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

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