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T-SB-0098-24 Front HVAC Blower Motor High Pitched Noise

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Skinny guy

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Toyota Technical Service Bulletin (TSB) T-SB-0098-24, issued on October 18, 2024, addresses a high-pitched noise from the front HVAC blower motor in certain Toyota vehicles.
This document provides detailed information on the issue, including affected models, diagnostic procedures, and recommended repairs.


 
#2 ·
Skinny guy said:
Toyota Technical Service Bulletin (TSB) T-SB-0098-24, issued on October 18, 2024, addresses a high-pitched noise from the front HVAC blower motor in certain Toyota vehicles.
This document provides detailed information on the issue, including affected models, diagnostic procedures, and recommended repairs.


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Interesting that the TSB only covers 2022-2024 RAVs. If I remember correctly there are several threads where posters in this forum with earlier model year cars were complaining about an annoying climate control noise...dealers told them "they all do that." I know one poster did have a video allegedly playing the annoying whistle--which I could NOT hear myself with my elderly ears.
 
#3 ·
Will be interesting if this actually fixes the issue. Had the same issue in my family member's Crosstrek and I need to replace the HVAC blower assembly(same design as the Rav4, probably made by the same Co). It was pretty easy, 3 bolts/screws. The new unit got rid of the noise and had a larger bearing assembly on it. It would be karma if I had to do it on their MY24 Rav4.
 
#5 ·
the TSB is sound insulation wrapped around the same motor. not a motor refresh
high pitch will still be there, but less

yeah it is super simple to work on or drop the motor....remove dash undercover and
boom, 3 bolts and one connector and motor falls right out
 
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