Question about 2006 GMC Envoy Denali
The blower fan won't shut off after car is turned off. How do you turn it off
Posted by Anonymous on
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Posted on Jan 02, 2017
Check for voltage on the fan itself- if the voltage is there then the fan motor could have cause the resistors to overheat due to it's drawing too much current. Oil the bearings with Tri Flow oil and they will spin much better- the trouble is you need to get the fan out to service it.
You can oil and recondition the Commutator and renew the fan if the brushes are not worn out if you have it on the bench.
Posted on Oct 01, 2012
SOURCE: my heater/blower fan will not shut off in my 2005 envoy even after my ignition is turned off and key is out, i've read a few similar problems on this, what is the solution and how much will it cos
Depending which HVAC system you have Manual (sliders for temperature) or Auto (digital readout), the control module is likely at fault. The Manual HVAC has a Resistor Module (which have a high failure rate) and the Auto HVAC uses an electronic module. Both of these are mounted next to the blower motor located behind the glovebox.
Posted on Oct 05, 2012
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