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strange sci-fi laser sound when reversing.

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Old 01-28-2010, 10:56 AM   #1
ywen [OP] ywen is offline
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strange sci-fi laser sound when reversing.

Whenever I back out of a parking space, I hear a "pewwww" sound, almost like a valve being release? I have the 3400 V6 AUTO
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Old 01-28-2010, 11:14 AM   #2
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Quote:
Originally Posted by ywen View Post
Whenever I back out of a parking space, I hear a "pewwww" sound, almost like a valve being release? I have the 3400 V6...
Check your rear view mirrors. Stormtroopers are people too.
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Old 01-28-2010, 11:18 AM   #3
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Quote:
Originally Posted by ywen View Post
Whenever I back out of a parking space, I hear a "pewwww" sound, almost like a valve being release? I have the 3400 V6...
When I initially read this, I was thinking gear noise that I have with the manual. Then I saw the valve releasing part and I am
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Old 01-28-2010, 11:19 AM   #4
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Quote:
Originally Posted by NeoMoose View Post
Check your rear view mirrors. Stormtroopers are people too.
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Old 01-28-2010, 12:14 PM   #5
ywen [OP] ywen is offline
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okay not a valve release.. sounds kinda like this but softer sounding.. the sound on the Taco lasts about 1 second.

http://www.eng.auburn.edu/~sealscd/COMP7970/project/3Dstudio/levels/MISSION2/Ekran.WAV
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Old 01-28-2010, 12:17 PM   #6
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Sounds like a U-joint.
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Old 01-28-2010, 12:23 PM   #7
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Quote:
Originally Posted by Afwrestler1986 View Post
Sounds like a U-joint.
What could be the u joint be doing while reversing to make that sound for a split second?
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Old 01-28-2010, 12:26 PM   #8
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Quote:
Originally Posted by ywen View Post
What could be the u joint be doing while reversing to make that sound for a split second?
I assume you pull into your driveway.
When you reverse, the u-joint basically gets thrown the opposite direction when backing. So it takes that little bit of "slack" and hits making a ping noise. When mine started to go bad they made a similar noise.
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Old 01-28-2010, 12:29 PM   #9
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I don't think it's a ping noise generated from two surfaces making contact...

it's a very soft noise, like the above link I sent except it sound slower and very muffled..
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Old 01-28-2010, 01:45 PM   #10
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I wonder if a valve or similar mechanism inside the automatic transmission is causing it ... ??? ...
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Old 01-28-2010, 02:41 PM   #11
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I know the sound. Mine did it too. It is like a small motor spooling up or down. Lasts less than a second. I chose to ignore it, not sure if the truck still does it.
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Old 01-28-2010, 08:14 PM   #12
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Quote:
Originally Posted by Afwrestler1986 View Post
When I initially read this, I was thinking gear noise that I have with the manual. Then I saw the valve releasing part and I am
I thought the same thing, like it was his first manual. It sure surprised me the first time I heard it in a stick shift car. Mine has scared a few people who thought the old Taco was about to explode.
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Old 01-28-2010, 08:16 PM   #13
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Originally Posted by NeoMoose View Post
Check your rear view mirrors. Stormtroopers are people too.
hahahah im watching tv and i just started laughing at that
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Old 01-28-2010, 08:17 PM   #14
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lol i started a thread about this to :http://www.tacomaworld.com/forum/2nd...ound-09-a.html
lol
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Old 01-28-2010, 08:32 PM   #15
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Quote:
Originally Posted by ywen View Post
Whenever I back out of a parking space, I hear a "pewwww" sound, almost like a valve being release? I have the 3400 V6 AUTO
Ahhh yes, the phaser mod. Good for folks tailgating too.
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