No such thing as a 2003 Chrysler Pacifica. Your 2004 Chrysler Pacifica that was built in 2003 probably has a bad bearing in the blower motor. Unfortunately, the entire blower would need to be replaced.
It sounds like the bearing is going bad and the motor only runs quite slowly when it's "growling". If you could get to the bearings you might be able to lubricate them and get more life out of the blower, but it's generally not considered practical since blower motors are generally quite reasonably priced. The worst part may be figuring out how to remove/replace the motor.
Check the oil. Failed lifters/rocker arms would not be uncommon.
Bacause it was expensive to produce, and they were not selling well. The Pacifica was supposed to replace the town and country, but since that didn't happen, people kept buying the town and country. The dodge journey was produce to take over the Pacifica. With a much lower entry price point, it's selling better. Similar to the Pacifica, the journey took over the duties from the cancelled short wheel based Chrysler minivans.
It is possible that a part of the EGR valve has fallen out. This will cause a very loud exhaust noise.
Horses are not capable of growling. They do not have the voice box structure to make that sound. If you notice that a horse seems to be making a growling noise all the time, it is likely stomach or bowel sounds. The horse is likely hungry.
If it was grumpy or disturbed, while eating or sleeping.
Lifter noise is not uncommon.
No. The Chrysler PT Cruiser was stopped in 2010.
Yes
your car needs a wheel alignment, could be to much toe in or toe out. which means your front tires are angled slightly different directions. i would recommend a balance and rotate aswell as your front tires could be more worn than the rear.
Poor sales.
Because of poor sales.