How to Troubleshoot & Replace Whirlpool AP6010602 / WP694089 Dryer Blower Wheel

Replaced motor & dryer blower wheel 

Replaced belt, drum seal (which had torn), and pulley. Ultimately, the motor. 

Replaced pulley and did overhaul for preventative measures. Machine is 40 years old, still going strong. 

I initially thought the start switch had failed, but I didn't test the correct terminals. So I ordered a replacement for that, which didn't fix the issue. The next suggestion in the list was the drive motor. I had to chisel off the blower wheel to get the drive motor out to test, and good news/bad news, the drive motor had continuity, so that wasn't the problem. Saved me $100 on the drive motor but cost me $40 for the destroyed blower wheel. Tracing the electrical diagram, I eventually figured out that the thermal fuse at the output of the blower had blown, which was not on the list of causes. So it could have been a 10-minute repair for $18. Fortunately AppliancePartsPros got me the fuse and blower within about 24 hours, ahead of the shipping schedule. A clue in retrospect that it wasn't the dryer motor is that, when pressing the start switch, there was no buzz or hum or anything. So I think the lesson is, first, make sure you test the push-to-start switch properly - you need to check terminals R1 and R2 which are both in the three-prong connector; and second, *check all the fuses* before resorting to pulling out the drive motor. 

After diagnosing the problem, ordered a new motor, blower wheel and repair kit (new belt and pulleys). 

I took the whole dryer apart and checked the coils, all the sensors, and thoroughly cleaned the entire blower and venting system. After ruling out everything else, determined it had to be the motor. I used the videos on Appliance Parts Pros for step by step on dis-assembling the whole dryer and to help diagnose that it was ultimately the motor. I ran into a common problem where the blower wheel would not come off the old motor so I knew I had to replace that as well. That too was mentioned and detailed in the videos. New motor and wheel now installed and dryer is running like it's brand new. 

Tested motor without load, realized motor was bad. Could not remove blower wheel without breaking it. Lint housing foam seal needed replaced as well. Installed new motor, blower wheel, and foam seal. Works like new now. 

Dismantle dryer after watching video, due to age of dryer ordered motor, wheel kit ,tensioner,belt new blower wheel. watched video for install. everything was easy to install. dryer works like new. 

I replaced the blower fan. The online video was very helpful. 

I purchased a new motor and blower wheel for my sister's dryer. I noticed Appliance Parts Pros had a tutorial on how to replace both items. It made the job much easier.