After making use of my A/C, i shut turn off the car and also the pan keeps blowing. Ns can get in a store and come out hrs later and its still on. Once I put the key in the ignition and also turn the key, the fan will rotate off. Ns pulled mine codes and have none. Any ideas would certainly be great


Location:Ft. Precious TxCar Model/Year: 2011 DTS PlatinumEngine: Northstar 4.6L V8 (LD8/L37)
Location:Franklin, TNCar Model/Year: Fake DTS, 2010 MINI S, 2010 MINI JCWEngine: Northstar 4.6L V8 (LD8/L37)

Newer GM vehicle have a optional "after blow" construction option. This is to stop mold buildup in the AC system. This option deserve to be turned on/ off making use of a GM technology 2.

You are watching: Blower motor stays on with ignition off

That being said, not certain if the 1998 had this option. My 2001 does. My after blow is collection to "on."

More...GM offered retro fit kits to permit the after blow method on older GM cars. Probably a flubbed kit was installed.

I know when i shut MY vehicle off...the blower turns off. I may come by the automobile 45 minutes latter and I have the right to hear the blower running. Yet it does no run for hrs on end...


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Location:Franklin, TNCar Model/Year: Fake DTS, 2010 MINI S, 2010 MINI JCWEngine: Northstar 4.6L V8 (LD8/L37)
Posted respectable 27, 2007

Naw...its normal. Been set that means for years..

In the initial post...the "45 minutes" was simply simply a guess. Walk to the GM online organization manual. 45 minutes is what it is.

"Afterblow

If the A/C compressor has been on for at the very least 2 minutes, the HVAC manage module (IPM) will go into afterblow to remove moisture indigenous the HVAC module. The blower motor will certainly be activated at medium speed 45 minute after the ignition has actually been turned off. The battery must have actually 12 volts minimum and outside temperatures need to be 21°C (70°F) because that higher. Afterblow air will be yielded through the last mode setup made by the car operator or automatically system. The afterblow operation deserve to be turned on through the scan tool. That is not collection by the factory."

Strange...maybe go bet on "45" Monday..

Anyway...should no run for hrs on end..


Logan Diagnostic LLC

www.airbagcrash.com

www.logandieselusa.com

www.ledfix.com

www.ledfix.com/yukontaillightrepair.html

www.ledfix.com/ledreplacements.html

www.ledfix.com/j42385toolrental.html


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JIMDTS


Posted respectable 27, 2007

JIMDTS

RegisteredCar Model/Year: dts01
Posted august 27, 2007 (edited)

Hi Logan

VBG I"m thinking about turning on that choice on the 01 since I just adjusted the evaporator the may help dry it the end I had a drainpipe tube issue that didn"t permit the water to drain out the evaporator box So that rotted the end the e core

Jim

document ID # 667813

2001 Cadillac DeVille

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Afterblow allow Procedure

The afterblow mode deserve to be permitted using the scan tool. The afterblow mode permits the blower motor to run after the engine has been rotate off. This operation of the blower motor dries the evaporator core, which reduces the amount of microbial growth which can create undesirable odors.

When the afterblow mode has actually been permitted the blower motor will run at tool speed for 4 minute after the engine has been rotate off. The following problems must it is in met for the instrument panel module (IPM) to operate the afterblow: