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2007 Toyota Tacoma--High Pitched Whine

I just bought a brand new 2007 Toyota Tacoma TRD Sport Package. Great truck, but when I get it up to 75-80 mph on the freeway, it exhibits a weird, intermittent whining sound. It is clearly caused by wind noise (not a mechanical issue), and only when a strong side gust hits. It's a very loud noise and sounds like when you put a blade a grass in between your palms and blow. I can't pinpoint the location, but it's definitely coming from the front end (maybe the front passenger side).

Has anyone else every experienced this? I would take it into the dealership, but to reproduce the noise I have to get the truck up to

75 mph--a tough task without getting pretty far out of Atlanta traffic.
Reply to
kicksave
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I did not see any service bulletins for this condition, and unfortunately, noises are difficult to diagnose without hearing them first hand. I would take it back to the dealership.

Reply to
Ray O

Since you said the noise is connected with gusts of wind, and your blade of grass analogy is a good one, I'd take a very close look at the body trim for any gaps due to bad fasteners. In particular, look at trim that fits differently on one side of the truck vs the other.

Reply to
JoeSpareBedroom

I had the same problem with my 2000 Avalon. Never could find the source, I'm sorry to say. Like yours, it would occur at high speed with a strong side wind. Here's hoping you have better luck finding yours! jor

Reply to
jor

Exactly the same problem with a 2005 Corolla. The blade of grass analogy is very accurate. It only does it in a strong head wind or wind gust, sometimes passing semi-trailers. I have not been able to track it down. It does sound like it comes from the firewall vent or windshield area. It's hard to pinpoint when driving and I don't have access to a wind tunnel.

Reply to
user

Try driving a speed with the radio antenna removed.

mike

Reply to
Mike Hunter

It was windy enough outside today to be able to diagnose it better than I have been able to in the past. It was making the noise continuously for a few minutes. I was traveling around eighty mph.

It seems to be coming from the upper windshield area by the rear view mirror mount, where the windshield is next to the roof panel there is the windshield rubber molding.

I'm going to try driving it with a piece of tape across the rubber molding. The molding is designed with a groove in it which may be the reason for the noise.

Reply to
user

Found it! Mike was right--the problem was with the radio antenna. I noticed the other day that when the whine was happening, the radio antenna's oscillations in the wind became very tight--almost a blur. I removed the antenna and the problem stopped. I thought the spiraling on these new antennas was supposed to STOP road noise? Anyway, I'm either going to get some cheap replacement antenna that can be manually retracted (like the old 70's cars) or just rig a new antenna that automatically extends and retracts with the radio.

Thanks for all the input!

Reply to
kicksave

I gotta' try that...

Thanks!

Reply to
B A R R Y

Take a piece of black electrician's tape and put a tab on the antenna about 1/2 to 3/4 of the way up the rod. That will dampen out the oscillation and fix your problem on the cheap. You might have to move the tab of tape up or down a bit but it will work.

Jack

Reply to
Retired VIP

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