* The complaint: "it used to blow harder". Things to check are:
* Low blower motor voltage due to a poor ground
* Blower wheel loose on motor shaft
* Defective blower relay
* Air leak or obstruction in air duct system
* Air mode door directing some of the flow to the heater outlet
* Icing evaporator core due to condensation.
* Debris in evaporator housing that blocks air circulation.
* Obstruction at the air return