Question about 2003 Cadillac Deville

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Blower Motor on 03 Deville DHS

I have about 65,000 miles on my 03 DHS, now the blower makes noise, the higher the fan setting the more noise you get. I'm guessing it needs to be replaced. question is, where is it and is that something I can replace myself?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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johnny5846
  • 379 Answers

SOURCE: 1992 cadillac deville - hvac blower motor does not shut off.

replace the relay , when a relay sticks like that , a good test is to slap it with something like the handle of a screw driver , see if it un-sticks , its not a fix , just a test . cheers'

Posted on Jan 13, 2009

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  • 232 Answers

SOURCE: a/c blower motor for 2003 corvette

Yea leafs and other debris can get in and cause the noise. Remove the blower, thoroughly clean the fins and reinstall. This should take care of the noise.

Posted on May 15, 2009

  • 5 Answers

SOURCE: blower motor has no power 1994 cadillac deville

If there is only high speed fan, then replace the resistor assembly in the heater plenum. If there is no fan at all, then check the ground to the blower- the wire fails down in the fender well. Just run a new ground from a convenient spot to the motor's plug harness. Or it could just be a bad blower motor.

Posted on May 29, 2009

  • 715 Answers

SOURCE: Heater Blower motor doesn't work on speeds 1 and 2

fan control switch

Posted on Oct 11, 2009

emissionwiz
  • 76109 Answers

SOURCE: 1999 Cadillac Deville Heater Blower motor has

make a jumper cable up from lamp cord (from any Hardware store) and power up the blower motor from the battery

Posted on Jan 18, 2010

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Late model Cadillac Deville's and Seville's may experience a humming noise in the passenger compartment when the heater is on high and the blower is set on a medium to high speed.

GM has determined that the most likely cause of the humming noise is from the positioning of the blower motor within the HVAC housing, causing a restriction of the incoming airflow. (GM TSB 03-01-37-001)

The recommended repair for this symptom is to reposition the blower motor.

1. Remove the right side sound insulator.
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Jun 11, 2010 | 1994 Cadillac DeVille

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Yea leafs and other debris can get in and cause the noise. Remove the blower, thoroughly clean the fins and reinstall. This should take care of the noise.

May 15, 2009 | 2003 Chevrolet Corvette

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What has most likely happened is the blower fan stem is loose on the fan motor shaft. The hard part is getting access to the motor and fan. Usually it is under the dash on the passenger side. It is an easy fix once have access.

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