I have removed the a/c blower motor on my 98 cadillac deville.
I understand to re-install it i must tilt the motor to get 1-2 inches of clearance.. I am not sure which "cradle' bolts to remove. Is it the dog-bone shaped engine torque strap at the left and right corners???
Then where do I place the jack to get the proper tilt?
HELP!!! need a/c I'm in Florida!
As on another web site I used a turnbuckle ($4.00 and 7 inches) on the rt. front (as facing the front of the car) dogbone mount to gain the addtional 1-2 inches needed.
then slipped the motor right in ....
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The blower motor is located under the dash on the passenger side.The bottom dash trim panel has to be removed in order to access it.Here are the instructions for removal:
1. Remove the right side sound insulator. 2. Pull back the carpet near the blower motor. 3. Remove the IP compartment. 4. Remove the dash integration module from the bracket. 5. Remove the two rear dash integration module bracket fasteners. 6. Reposition the dash integration module bracket in order to remove the blower motor. 7. Disconnect the electrical connector from the blower motor. 8. Remove the blower motor retaining fasteners. 9. Rotate and remove the blower motor from the vehicle.
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It is so easy that the service manual does not bother to list instructions on how to replace it. You would simply disconnect the electrical connector, remove the screws from the blower motor housing and remove the blower motor.
I will add however, that I have had a few of these that had purge valves, etc. bolted to the engine valve cover and I had to remove these to provide clearance for the blower to come out.
The blower motor is located under the glove box. It is a very difficult procedure to replace. The blower motor has six 7/32 size screws, two of which are hidden and one, the closest to the firewall, will require a 1/4" drive, and swivel. I removed the glove box in order to put the replacement blower motor in. It takes a little extra time but allows more room and saves your back. Get a diagram off the internet of how to remove these things. Plug in the new blower motor and test it before you just install it! My biggest fear installing the new blower motor was that it took a lot of force to get it back in on an angle. Almost thought that I was going to crack or damage the fins on the cage. It takes force but just be careful.
because of the clearence you may have to loosen motor supports and jack the motor up a little. I was able to change my 98 deville without doing this,but it was a tight fit. You will also have to take coil pack loose to give you more room.
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. 2. Loosen the three blower motor retainer bolts. (Do not remove bolts) 3. Shift motor as far as allowed toward the vent tube. 4. Re-tighten the retainer bolts. 5. Re-install right side sound insulator.
your blower motor is under the hood. If you can't buy one try drilling a hole in the back of motor where the bearing is use a real small drill bit. Then you can oil the back bearing .You have to take the blower out to oil the front.The only way to do it is squirt it on the shaft and just let it run down.