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2001 Oldsmobile Alero heater fan has lost low speeds / only

Tiny
BRUCE SWARTS
  • MEMBER
  • 2001 OLDSMOBILE ALERO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
The heater fan has lost low speeds / only high works could this be the switch or the fan its self?
Saturday, December 29th, 2007 AT 2:07 PM

10 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
You need a speed control resister for the blower motor
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Saturday, December 29th, 2007 AT 2:12 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The blower motor is fine other wise it won't be operating on high speed your culprit here 90% of the time is the blower motor resistor.
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Saturday, December 29th, 2007 AT 2:12 PM
Tiny
RASMATAZ
  • MECHANIC
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BMR

Love your car is it a 1971 Chevelle SS 454?
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Saturday, December 29th, 2007 AT 2:16 PM
Tiny
BMRFIXIT
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Its not the real thing
but very close to it
2 year working on it and its not done yet
thank you!
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Sunday, December 30th, 2007 AT 12:01 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I used to owned a 68 with a 409 in it, also the 71 SS 454 like the pic. I modified the 68 from a 307 original engine to the 409. I bought both of them new. Brings back memories. 39yrs back-I should have kept it but the military keep moving me around.
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-1
Sunday, December 30th, 2007 AT 12:37 AM
Tiny
BMRFIXIT
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Wow! Nice car! Know what you mean though about the military my sister in the process of going from oklahoma to Alaska! Fun fun!
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Sunday, December 30th, 2007 AT 6:57 PM
Tiny
JERRY Z
  • MEMBER
  • 4 POSTS
I have same car. Had same thing happen to me. Easy fix, get resistor. It is up under the dash on the passenger side. It has 4 sets of resistance so the one or two that get the hottest burn out first. There is one screw that I couldn't get back in after replacement, but it works fine without it. That is a common problen so evryone has the part.
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Tuesday, January 1st, 2008 AT 7:28 PM
Tiny
FZ
  • MEMBER
  • 1 POST
Jerry Z thanks for your reply, I think that I might have the same issue as you. Could you tell me exactly under the dash board is that located. I cant find it and picture would be wonderful and a part number. Thanks a bunch.
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Friday, February 15th, 2008 AT 6:13 PM
Tiny
SCHNEIDER325
  • MEMBER
  • 1 POST
I'm having the same issue, and was wondering if anyone could reply to the last post, with the pn and exact location.

Thanks!
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Wednesday, December 15th, 2010 AT 10:49 PM
Tiny
BMRFIXIT
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Below right side of dash
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Thursday, December 16th, 2010 AT 2:00 AM

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