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2005 Chevy Suburban Heater fan will not shut off

Tiny
BENNETT972003
  • MEMBER
  • 2005 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
Heater fan will not shut off even when ignition is turned off and key has been removed. Chevrolet parts tells me that there is no blower motor relay in this vehicle. Any ideas?
Saturday, April 17th, 2010 AT 11:12 AM

7 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Need to know if it's manual or automatic system?
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Saturday, April 17th, 2010 AT 3:55 PM
Tiny
BENNETT972003
  • MEMBER
  • 4 POSTS
I would call this an automatic climate control system for the front of the passenger compartment. It has individual thermostat settings for each side and the ac/heater seem to function as needed automatically.
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Saturday, April 17th, 2010 AT 4:01 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
OK that's kinda bad for testing purposes, but I will send you a file by email. This shows test procedure, but without a GM Tech II scan tool, you might not be able to do much with it. You could pay for a scan at a local garage that can read "B" and "U" codes, and then repair it yourself.
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Saturday, April 17th, 2010 AT 4:07 PM
Tiny
BENNETT972003
  • MEMBER
  • 4 POSTS
Thanks, I do not see the file you referenced. This truck is under a 12/12 warranty for a bit longer. Guess I should take it to the shop.
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Saturday, April 17th, 2010 AT 5:31 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
I emailed it to you, If you didnt get it, I'll resend it, but If you have a warranty, RUN back there and save yourself a boatload of cash!
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Saturday, April 17th, 2010 AT 6:07 PM
Tiny
BENNETT972003
  • MEMBER
  • 4 POSTS
I will set it up for this week
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Saturday, April 17th, 2010 AT 6:27 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Very good.
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Saturday, April 17th, 2010 AT 6:35 PM

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