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How to Replace Blower Motor 2003-07 Cadillac CTS
Created on:
Tools used
Socket Extensions
Flat Blade Screwdriver
Phillips Head Screwdriver
8mm Socket
7mm Socket
Ratchet
1. Removing the Blower Motor
Remove the two Phillips head screws from the dash panel
Remove the two 7mm bolts from the dash panel
Release the dash panel tabs
Pull down the dash panel
Disconnect the blower motor wiring harness
Remove two of the three 8mm bolts from the blower motor
Open the glove box
Remove the Phillips head screws from the glove box liner
Disconnect the tire pressure monitor switch harness
Pull out the glove box liner
Remove the last 8mm bolt from the blower motor
Pull the blower motor down and out
2. Installing the Blower Motor
Put the blower motor into place
Insert the three 8mm bolts into the blower motor
Connect the blower motor wiring harness
Connect the tire pressure button wiring harness
Push the glove box liner into place
Insert the Phillips head screws into the glove box liner
Put the dash panel into place
Insert the two Phillips head screws into the dash panel
Insert the two 7mm bolts into the dash panel
Test the blower motor on all fan speeds
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video, we're going to show you how to replace your old worn out blower motor in the 2005 Cadillac CTS with the new part from 1AAuto.com. Here are the items you'll need for this repair.
The blower motor is located under this plastic cover on the bottom passenger side of the dash just behind the glove box. Start by removing these two Phillips head screws. Remove these two 7 millimeter bolts at the back. You use a 7 millimeter socket, ratchet, and some extensions for that. Push in and release these two tabs and allow the lower cover to hang out of the way.
Push down on the tab and release the electrical connector from the blower motor. Remove these three 8 millimeter screws with an 8 millimeter socket and ratchet. In order to access the last bolt on the blower motor we'll have to remove the inner glove box lining, removing these Phillips head screws. Remove the glove box partially and release the connector on the back of the tire pressure monitoring switch. You may need a small flat blade screwdriver here. Now that the inner glove box is moved out of the way we can access the last screw on the blower motor. Pull out and remove the blower motor from the HVAC box.
As you can see the fans are nearly identical. They have the same mounting locations on the back as well as the same two pin connectors. What can happen a lot of times with these old fans is the motors seize up or go bad and it may cause the fan to not work at all or if you give it a good hit on the bottom it'll wake the fan up and get it spinning again. Also, these fins can break and become off balance or the bearings can go bad and cause this to make a whining noise or vibrate and create kind of an odd hum when it's spinning. This new part from 1A Auto is going to go in direct fit just like our original equipment and fix you up right.
Install the new blower motor into the HVAC box. Reinstall your three 8 millimeter screws. Tighten the screws down with an 8 millimeter socket and ratchet. Reinstall the electrical connector. Reinstall the connector to the TPMS reset button. Line up and reinstall the inner glove box and all its hardware. Reinstall the under dash cover with two Phillips head screws. Reinstall the two 7 millimeter bolts in the rear, socket, ratchet, and extensions. Turn on your heat or air conditioner and cycle it through the fan speeds to ensure that everything is operating properly.
Thanks for tuning in. We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
HMA80322
In Stock
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Right motor & Cage but incorrect electrical
M
January 30, 2018
I watched the video. Its tricky to remove and replace but I finally got it. The real challenge came when I tried to plug in the power. The old motor had to terminals facing outwards but the new had parallel terminals like a wall outlet.I was to far into the project to give up so I broke apart the old terminal and made a tape like new one. Otherwise the price & delivery were excellent
Customer Q&A
What brand of motor is used in this 1A Auto Blower motor?January 14, 2017
M S
10
We have a few different aftermarket companies build these parts specifically for us, as our 1A Auto house brand. They are manufactured to the same OEM specifications as the original part that came with your vehicle. If you have any further questions, please don't hesitate to ask.
January 15, 2017
Tim K
Customer service
877-844-3393
Monday - Friday 8:00am - 9:30pm ET Saturday - Sunday 8:00am - 4:30pm ET
Cadillac is a registered trademark of General Motors Company. 1A Auto is not affiliated with or sponsored by Cadillac or General Motors Company.See all trademarks.
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