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03 Sequoia roaring noise when accelerating

Discussion in 'Sequoia 1st Gen (2001-2007)' started by shhernandez74, Jun 25, 2021.

  1. Jun 25, 2021 at 8:32 PM
    #1
    shhernandez74

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    shhernandez74 [OP] New Member

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    I just bought an 03 sequoia and it started doing something funny today.

    The best way I can describe the noise is it roars when accelerating. Similar to the roar noise trucks due when you first turn them on in the morning and take off. It only happens after it’s been on for a while. I will come to a light and when I take off it sounds like it’s sucking in a ton of air (roaring) and and it will bump into 2nd gear.

    it doesn’t do it on Initial start up only does it once it’s been running for a while. When I first turn it on it runs and shifts fine.

    Any ideas? I was thinking maybe the clutch on the fan is going bad. Any way to test it? Thanks in advance for any help.

    2AF5F2F7-20B2-4087-A477-8A700ECB861B.jpg
     
    shhernandez74, Jun 25, 2021
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    Toyoda Tundra and 15whtrd like this.
  2. Jun 25, 2021 at 8:51 PM
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    15whtrd

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    15whtrd Mr. Blonde

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    What’s the temperature like when this happens? That’s your clutch fan kicking in, or at least that’s what it sounds like to me. They will come on thermostatically. So you could either have a cooling issue or an issue with the fan itself staying engaged.
     
    15whtrd, Jun 25, 2021
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    NewImprovedRon and shhernandez74[OP] like this.
  3. Jun 25, 2021 at 8:52 PM
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    15whtrd

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    15whtrd Mr. Blonde

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    Does the fan spin freely when the truck is off?
     
    15whtrd, Jun 25, 2021
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  4. Jun 25, 2021 at 8:53 PM
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    shhernandez74

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    shhernandez74 [OP] New Member

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    i tried it earlier and it has resistance. It does not spin freely
     
    shhernandez74, Jun 25, 2021
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  5. Jun 25, 2021 at 8:53 PM
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    shhernandez74

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    shhernandez74 [OP] New Member

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    Temperature stays pretty constant ( middle) I have been keeping an eye on that
     
    shhernandez74, Jun 25, 2021
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    15whtrd[QUOTED] likes this.
  6. Jun 25, 2021 at 9:05 PM
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    15whtrd

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    15whtrd Mr. Blonde

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    I’m definitely not a master technician, but I would be leaning towards the clutch fan being bad. At least it’s a fail safe and still spins, keeping the engine cool.

    And of course, I have to ask, when was the last time the timing belt was changed?
     
    15whtrd, Jun 25, 2021
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  7. Jun 26, 2021 at 2:45 PM
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    Toyoda Tundra

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    Does it sound similar to this ? https://youtu.be/G1R3CE0agMI
     
    Toyoda Tundra, Jun 26, 2021
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  8. Jun 26, 2021 at 8:32 PM
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    shhernandez74

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    shhernandez74 [OP] New Member

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    i honestly have no idea, the person I bought it from said she never did it so I doubt it’s ever been done
     
    shhernandez74, Jun 26, 2021
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  9. Jun 26, 2021 at 8:32 PM
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    shhernandez74

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    shhernandez74 [OP] New Member

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    shhernandez74, Jun 26, 2021
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  10. Jun 26, 2021 at 8:40 PM
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    Toyoda Tundra

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    It could also be your radiator fan bracket so just keep that in mind. If you replace your fan clutch and still does the same thing, then is probably your radiator fan bracket. Also make sure your cooling system is working properly, an engine that runs hot can cause your symptoms as well.
     
    Toyoda Tundra, Jun 26, 2021
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  11. Jun 26, 2021 at 9:17 PM
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    15whtrd

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    15whtrd Mr. Blonde

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    The reason I ask is because maybe it’s just time to do all of it. Water pump, fan, timing belt, The works. Give it a, for sure new lease on life and it should treat you well.
     
    15whtrd, Jun 26, 2021
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  12. Jun 26, 2021 at 9:26 PM
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    shhernandez74

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    shhernandez74 [OP] New Member

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    Makes sense, thanks for the information! Ive been keeping an eye on the temp gauges and it hasn’t overheated
     
    shhernandez74, Jun 26, 2021
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  13. Jun 26, 2021 at 9:46 PM
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    Toyoda Tundra

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    No problem. Please keep us posted, I’d like to know if the fan clutch fixes your issue if you decide to do it.
     
    Toyoda Tundra, Jun 26, 2021
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  14. Jun 26, 2021 at 9:49 PM
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    empty_lord

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    empty_lord They see me rollin'

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    The sequoias have a condensor fan on them too. You may have an issue with that little guy too… albeit rare.
     
    empty_lord, Jun 26, 2021
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  15. Jun 26, 2021 at 10:34 PM
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    shhernandez74

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    shhernandez74 [OP] New Member

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    Definitely! This may be something out of my league though
     
    Last edited: Jun 26, 2021
    shhernandez74, Jun 26, 2021
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  16. Jun 26, 2021 at 10:54 PM
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    Toyoda Tundra

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    Make sure to use OEM parts if you can.
     
    Toyoda Tundra, Jun 26, 2021
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  17. Jul 16, 2021 at 4:33 AM
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    des2mtn

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    des2mtn Third Member

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    des2mtn, Jul 16, 2021
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  18. Jul 16, 2021 at 7:44 PM
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    Toyoda Tundra

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    Does your truck sound similar to the video?
     
    Toyoda Tundra, Jul 16, 2021
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  19. Jul 17, 2021 at 3:47 AM
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    des2mtn

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    des2mtn Third Member

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    Not all the time, but enough for me to be curious about it. Most of the time the truck is fine. I get that sound in the video you shared and the same symptoms OP posted.

    I'm due for a complete cooling system job (radiator, thermostat etc) and am leaning towards replacing the fan clutch too.
     
    des2mtn, Jul 17, 2021
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  20. Jul 17, 2021 at 10:22 AM
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    Toyoda Tundra

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    Aisin makes the OEM fan clutch for our trucks ( if you decide to go with it) let us know if that fixes your issue.
     
    Toyoda Tundra, Jul 17, 2021
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    shhernandez74[OP] and des2mtn[QUOTED] like this.
  21. Jul 28, 2021 at 9:32 AM
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    shhernandez74

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    shhernandez74 [OP] New Member

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    Surprisingly the noise went away on its on lol. I've been driving it around for a few weeks and the sound never came back. I verified that the fan still operates and also I have been checking the temp to make sure it doesnt get hot.

    It did sound similar to the video but the sound went away.
     
    shhernandez74, Jul 28, 2021
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  22. Jul 28, 2021 at 3:29 PM
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    Toyoda Tundra

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    That’s good to hear!
     
    Toyoda Tundra, Jul 28, 2021
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