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Subaru blower motor & resistor
06-03-2009, 06:09 PM
Post: #1
Sad Subaru blower motor & resistor
Year: 2004
Model: Forester
Engine Size: 2.5 l
Auto/Manual: Auto
Mileage: 80,000

Year:
Model:
Engine Size:
Auto/Manual:
Mileage:

Year: 2004
Model: Forester
Engine Size: 2.5 l
Auto/Manual: Auto
Mileage: 80,000

2004 Subaru Forester: 1st, blown heater blower fuses (2), blower motor found to be dragging (bearing?), 2nd, got a blower motor (used), and held it to test it while assistant turned switch on, "new" one stuttered briefly and then ran, 3rd,I let the fan wheel brush up against the underside of the dash briefly (dumb, I know) and fuses blew,4th, replaced fuses again, motor won't run, but fuses not blown, 5th, checked blower motor resistor, it had blown (2 solder connections melted as designed, and sprang open), 6th question: should I "assume" the replacement motor is OK and replace the resistor ($84.00) and risk another resistor failure? Is the blower motor in Subarus a common problem ($178.00 cost)??
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06-03-2009, 10:30 PM
Post: #2
RE: Subaru blower motor & resistor
Don't know how common those blower problems are but you could solder the resistor and assemble everything.

Worst case is you blow a fuse and need to get NEW parts but you may get lucky and save a bunch of $$$. (if that's your goal)

BTW, many newer cars have the blower on all of the time for ventilation so if you can see a way to sneak a drop of light oil into the bearings you may extend the life of the unit. Don't go crazy as oil on the brushes will kill it in a hurry.
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06-04-2009, 12:06 AM
Post: #3
RE: Subaru blower motor & resistor
Rupe Wrote:Don't know how common those blower problems are but you could solder the resistor and assemble everything.

Worst case is you blow a fuse and need to get NEW parts but you may get lucky and save a bunch of $$$. (if that's your goal)

BTW, many newer cars have the blower on all of the time for ventilation so if you can see a way to sneak a drop of light oil into the bearings you may extend the life of the unit. Don't go crazy as oil on the brushes will kill it in a hurry.

I was a little suspicous of this, especitlly since the resistor says "do not attempt to repair." I'll give it a try.......................
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06-04-2009, 10:29 AM
Post: #4
RE: Subaru blower motor & resistor
The reason they don't want you to repair it is because their solder has a specific melting point and adding your own changes that. Of course the engineers have this figured for a new system in perfect shape.

IOW, only add enough to do the job.
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06-06-2009, 03:02 PM
Post: #5
RE: Subaru blower motor & resistor
Hey,
I'm guess I'm going to get a new resistor. I did resolder the old one, and, this is what I did and what happened: put in the (repaired) resistor, replaced the fuses, tried energizing the circuit (motor unplugged), no problems. Plugged in motor, energized circuit, fuses blew. Checked resistor, looked OK, put back in. Replaced fuses, unplugged motor, energized circuit, fuses blew without the motor plugged in this time! WTF?????????????????????? So, that's why I'm going to try a new resistor............................
Thanks again,
Chuck
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