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-   -   AYC Pump Motor keeps burning out. (https://www.evoxforums.com/forums/showthread.php?t=399318)

tricky1024 04-15-2019 01:28 PM

AYC Pump Motor keeps burning out.
 
hopefully someone can help me out here as i am now pulling my hair out with an issue with the AYC pump in a FQ300 SST. the pump died in January and seems the previous owner did a job on a frankinpump with a really odd motor.

either way the motor and pump where beyond help so i bough a complete refurb unit and installed.

now everytime i install the unit i bleed the system using the bleed tool you connect to the solenoids and manually bleed the system.

i start the car and hear the motor kick in/prime and turn off after 3/5 seconds, no lights on the dash. i drive 3 miles down the road and the motor dies and burns out. i have now had the motor re-built 5 times.

i am starting the think there must be another issue, maybe ayc computer or wiring but have no idea, anyone ever seen this and can you point me in the right direction?

turismolover22 04-16-2019 07:41 PM

Quote:

Originally Posted by tricky1024 (Post 6129158)
hopefully someone can help me out here as i am now pulling my hair out with an issue with the AYC pump in a FQ300 SST. the pump died in January and seems the previous owner did a job on a frankinpump with a really odd motor.

either way the motor and pump where beyond help so i bough a complete refurb unit and installed.

now everytime i install the unit i bleed the system using the bleed tool you connect to the solenoids and manually bleed the system.

i start the car and hear the motor kick in/prime and turn off after 3/5 seconds, no lights on the dash. i drive 3 miles down the road and the motor dies and burns out. i have now had the motor re-built 5 times.

i am starting the think there must be another issue, maybe ayc computer or wiring but have no idea, anyone ever seen this and can you point me in the right direction?

If the motor is burning up like that, you're going to have to start chasing electrical.

It sounds like there is a short somewhere and it is activating it when it shouldn't be and burning it up

Yxd68 04-16-2019 10:26 PM

Time to call a priest??

tricky1024 04-17-2019 12:44 PM

so when i first started (5 pumps ago now) the main wiring harness to the motor was competed melted and shot, so much so i have had to change the main motor connector to a Anderson type connector on the car side of the loom.

any idea of where i should start looking? boot?

misdeismo 04-20-2019 11:16 AM

Uea, definitely seems like an electrical issue. Do you have the service manual? Probably would be a big help looking at the electrical schematic.

tricky1024 04-23-2019 11:14 AM

i dont, i will see if i can get one. thank you.

2x4 04-23-2019 05:24 PM

http://www.evoxservicemanual.co.uk/

turismolover22 04-24-2019 01:42 AM

I bet if you just got a whole harness from a part out that it would likely fix your issue

Wertigo 06-26-2019 02:37 PM

Quote:

Originally Posted by tricky1024 (Post 6129158)
hopefully someone can help me out here as i am now pulling my hair out with an issue with the AYC pump in a FQ300 SST. the pump died in January and seems the previous owner did a job on a frankinpump with a really odd motor.

either way the motor and pump where beyond help so i bough a complete refurb unit and installed.

now everytime i install the unit i bleed the system using the bleed tool you connect to the solenoids and manually bleed the system.

i start the car and hear the motor kick in/prime and turn off after 3/5 seconds, no lights on the dash. i drive 3 miles down the road and the motor dies and burns out. i have now had the motor re-built 5 times.

i am starting the think there must be another issue, maybe ayc computer or wiring but have no idea, anyone ever seen this and can you point me in the right direction?


you are jamming the engine at the moment of pressure build-up. as when pressure is set the load on the shaft increases. you could also have a skewed pump and gear


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