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Discussion Starter · #1 ·
I'm pretty sure I need to replace the rear air blower motor, but wanted to double check first.

Have a 2008 EX-L with 188k miles that I bought last summer. Noticed a month or so ago that the backseat doesn't get air. I replaced the transistor and now if I turn the fans ALL the way up, you can get a trickle of air in the backseat, like what comes out of the front vent on the lowest fan setting. I cleaned off the (filthy) air filter when I replaced the transistor. I checked on the rear blower motor and noticed that it does vibrate when the air is on and vibrates more when I turn the fans up to max, but again, back seat isn't getting the airflow I'd expect.

This sounds like a rear blower motor issue, right? Or should I troubleshoot some other area first?
 

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Maybe a dumb question, but did you vacuum the screen over the motor? Driver side.
 
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Can we assume you've gone through all this?

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Also, make sure your thermistor legs a well-insulated, Note the red rubber insulation around the replacement's legs. You don't want any shorts/unwanted contacts.

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Discussion Starter · #6 ·
I will admit that I can't find the multimeter to test the new transistor nor have I disassembled the transistor, but I did follow those steps to replace it with a new one.
 
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