I hear a humming sound under my 2015 Highlander when its not running

Asked by Apr 30, 2015 at 05:37 PM about the 2015 Toyota Highlander LE AWD

Question type: Maintenance & Repair

When my new Highlander is parked/off and in garage, it makes a sound like a fan is
running.

4 Answers

7,245

Because it is, it's the cooling fan, when it reaches a certain temperature it shuts off on it's own, this is normal.

10

When the car cools down from running or just from sitting in the garage when it is warm outside?

1 out of 1 people think this is helpful.
20

Mine does this as well. It is hours after the vehicle has been in use and the sound comes from under the passenger rear. I will forget about it, then walk out in the garage and hear it again. I really don't think it's the cooling fan when it hadn't been driven for 5 hours and it is 63 in my garage.

2 out of 2 people think this is helpful.
30

Had a similar problem. My service advisor was able to find the issue. Something to the effect of "Servo motor Making noise per TSB-0048-16". "Replaced servo motor per TSP and installed insulation sheet per TSB. Renationalized servo motor." It is covered by warranty. It seems the dealership may push back because they want to charge you labor but they shouldn't because it is under warranty.

3 out of 3 people think this is helpful.

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