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Heater blower motor

Tiny
SOLDIERBOY212
  • MEMBER
  • 2004 PONTIAC VIBE
  • 4 CYL
  • 2WD
  • 69,000 MILES
I have a pontiac vibe that the heater blower motor is doing funny things on. It will run fine, then all of a sudden it runs real slow, then right back to running fine again. It does this non stop. Does it sound like the motor needs replaced or the resistor?
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Tuesday, February 8th, 2011 AT 5:52 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the blower switch and fan control module/resistor. Or direct battery power to the motor and see if it continues-
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Tuesday, February 8th, 2011 AT 5:57 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Does it do it on any particular speed setting like high? Or on all settings?
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Tuesday, February 8th, 2011 AT 6:06 PM
Tiny
SOLDIERBOY212
  • MEMBER
  • 2 POSTS
It does it all all settings. Wether high or low the speed varies up and down and sometimes the fan never comes on at all.
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Tuesday, February 8th, 2011 AT 7:02 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Have you checked the heater and resistor plugs for burning or melting? This may cause such a condition.
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Wednesday, February 9th, 2011 AT 1:15 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Also i'm finding a blower relay? Not sure where it's located yet.
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Wednesday, February 9th, 2011 AT 5:36 AM

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