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chirping noise after engine shutdown

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Old 03-26-2009, 07:13 PM   #1
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chirping noise after engine shutdown

After I shut the engine off there is a "chirping" or "eeep" sound coming from what looks to be the VSV (EVAP) box on the right side of engine bay, upper portion. Its the black box with all the vacuum lines going to it... If I disconnect one of the fatter vacuum lines, the noise stops until I reconnect it again. It will emit this noise for about 15 minutes after engine shutoff. Anyone else have this happen? Is this normal?
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Old 03-27-2009, 07:56 PM   #2
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bump...

anyone? I cant be the only one that has ever had this issue.. but maybe I am.
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Old 03-28-2009, 12:15 AM   #3
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the flange inside the valve may be going bad and leaking . . . causing it to make a high pitch squeel
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Old 03-28-2009, 09:08 PM   #4
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Quote:
Originally Posted by 95tojo View Post
the flange inside the valve may be going bad and leaking . . . causing it to make a high pitch squeel
That black box looks expensive..
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Old 03-28-2009, 09:29 PM   #5
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if thats what it is go find a junk yard . . . or you would be suprised at how cheap most toyota parts are . . . (not from the dealer)
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Old 03-28-2009, 09:32 PM   #6
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Quote:
Originally Posted by 95tojo View Post
if thats what it is go find a junk yard . . . or you would be suprised at how cheap most toyota parts are . . . (not from the dealer)
yeah...the aftermarket has a lot to offer. I prefer the oem stuff though.. so a junkyard would be a good place to look.
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Old 03-29-2009, 01:49 PM   #7
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i had the same problem dude still have it...

my dad bought the truck in 97 brand new with 2 miles on it and had done it since then. I just say the truck is farting. nothing bad has happened so far
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Old 03-29-2009, 03:00 PM   #8
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Quote:
Originally Posted by tjgraner09 View Post
i had the same problem dude still have it...

my dad bought the truck in 97 brand new with 2 miles on it and had done it since then. I just say the truck is farting. nothing bad has happened so far

good to hear that... I think its kinda funny myself... "meep"... "meep"... I have chuckled several times. Its lke the Road Runner is under my hood... lol.
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Old 03-29-2009, 03:05 PM   #9
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lol yeah when will (tacomaman06) and jeff (tigerfan00) were working on my truck it was doing it... they were like wtf is that. I said dont worry my truck just ate and now it has gas lol i wouldnt worry about it dude

oh and dont take it to the dealer to find out what it is cause they will try to charge an arm and a leg to find out what it is and then say they dont know what it is (happened to my dad)
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