Step1: Disconnect power and water supply; ensure unit is cool before service.
Step2: Remove access panel carefully using correct tools and retain screws.
Step3: Label and disconnect wiring harness from old blower motor assembly.
Step4: Unbolt old blower motor assembly and note mounting orientation.
Step5: Install new blower motor kit aligning fan assembly with original mounting points.
Step6: Reconnect wiring per diagram ensuring all connections are secure.
Step7: Secure panel, restore power and water, test operation for leaks or noise.