Diagnosing and troubleshooting blower on 2005 Pontiac Vibe

Well… the fan SOMETIMES works. I hit a street dip this morning and it came on! The highest setting worked but not always! However the other two not so much, a minimal air flow at best. I purchased a blower $41.03, a resistor $30.84. and a filter $4.77 all three on Amazon with free shipping! I purchased the motor because when I hit the button to recirculate the air I get a clicking noise, so why not get all three out of the way? I’m going to attempt to replace all three this weekend in the morning so I have enough light and time if this goes south and takes forever. Other than a philips and flat head, do I need any other tools? I’m thinking of taking pictures and maybe a video of it to post to Youtube or on here if possible. This car has surprisingly lasted for a good amount of time other than the stupid fuel pump which was expensive.

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