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Blower blows harder upon acceleration (Recirculating/feet)

My 2006 XLE, just got it, I have the heat turned on to recirculate, on my feet.

When I accelerate, the blower speeds up, and when I slow down, the blower slows down.

This is quite annoying in the city with stop and go traffic...no consistency.

The mechanic where I bought my car is trying to convince me that this is normal. I didn't notice it until AFTER they installed my remote start/alarm.

Can anyone give me any backup to convince them otherwise, or backup to convince me that is normal?

if it isn't normal, what words/phrases do I need to drop to get them to look at it deeper?

Reply to
ccmcmg
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Reply to
BigJim

The blower is a DC motor, whose speed is proportional to the voltage applied to its terminals. The output of your DC generator (alternator) is a function of RPM; the faster the engine turns the higher the voltage. There will be some variation in blower speed, but excessive variation can indicate a problem with the generator's regulation circuit, or with the battery.

BigJim wrote:

Reply to
Nobody Important

Maybe a bad battery, bad connections, weak alternator.

Reply to
ransley

If you turned on AC, head lights, radio, and other electrical components then the light will dim and brighten a bit especially during idle. It's because you're using more juice than the alt/batt can provide.

Have it checked under warranty. That's what warranty is for.

Reply to
johngdole

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