STRANGE NOISE
45

Asked by GemSDg May 21, 2008 at 04:59 PM about the 2001 Toyota Sienna LE

Question type: Maintenance & Repair


WHILE DRIVING, SPECIFICALLY WHEN ACCELERATING OR SLOWING DOWN THE MINIVAN I'VE HEARD NOISES: "BRIEF SHRIEKING SOUNDS FROM EITHER THE FRONT OR REAR END, FOR ABOUT 15 TO 30 SECONDS."

MY ONLY MECHANICAL GUESS IS THAT, probably,THE ABS SENSORS WERE SELF-TESTING with THE VEHICLE SPEED AND BRAKES FUNCTION!?

Can someone please explain this.

6 Answers
105

Rodney answered 16 years ago

or the fan belt might be loose and stops squealing after it heats up from spinning on the pulleys

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35

Mandolyn answered 15 years ago

There was a recall on the brakes. I'd only take my sienna to a highly trained Toyota MDT. They are the only ones that are trained high enough to trouble shoot.

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1,945

Chris answered 15 years ago

it can't be a Fan belt if it's coming from the rear end too. it might be brakes, but I can only see it being a loud shrieking of you've worn them down to the wear sensors. I'd get it looked at right away. And as the lady below mentioned, if there is a Recall on your Van, Toyota should perform it for free, so it couldn't hurt to ask!

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1,945

Chris answered 15 years ago

Plus, I've only every had a belt scream at me accellerating, never slowing down... you're taking force off the belt slowing down, not applying it...

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10

pichu answered 15 years ago

I just got a 2009 sienna van and hear the same noises. I have gone several times to the dealer and they keep telling me I must be crazy!! I am so upset.

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