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BISS screw ejected?


yeti
Nope still sticky fingers


Galant VR-4 org Post #: 1033676 posted 11/14/11 09:26 PM     Remind Me!  Send Private Message   Edit Post      
So my car was running like i giant boost leak and i could hear it so i perform the blt and my biss screw is gone!

Ive already replaced it, just wondering if anybody else's has done this i was boosting 34 psi the other day so that probably ejected it.



~turbohair~

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Brunoboy
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Galant VR-4 org Post #: 1033678 posted 11/14/11 09:30 PM     Remind Me!  Send Private Message   Edit Post      
34 psi on what turbo?



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yeti
Nope still sticky fingers


Galant VR-4 org Post #: 1033682 posted 11/14/11 09:38 PM     Remind Me!  Send Private Message   Edit Post      
shhhh it was a spike that was immediately fixed








ebay 16G



~turbohair~

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Brunoboy
Jesus Clips
352/1000
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Galant VR-4 org Post #: 1033691 posted 11/14/11 10:04 PM     Remind Me!  Send Private Message   Edit Post      
i dont think it was the turbo, do you still have the rubber cap over it?



556/1000 KG 8/10/13 .... Sold
352/1000 Summit White sold in 2011 and was totaled by new owner......
92 Eclipse Gsx R.I.P
96 Eclipse Gsx Sold

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yeti
Nope still sticky fingers


Galant VR-4 org Post #: 1033701 posted 11/14/11 10:31 PM     Remind Me!  Send Private Message   Edit Post      
no the caps been gone since i got the car i out a new screw and o ring in though..

im pretty sure the engine vibrated the screw out then the pressure just shot it out



~turbohair~

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Leon_R
Member


Galant VR-4 org Post #: 1033718 posted 11/14/11 11:30 PM     Remind Me!  Send Private Message   Edit Post      
This is quite common. What happens is o-ring gets hard and stops serving as thread locker (its second function, after actual sealing). You used to have to buy another TB to get the screw, so you had to pay $200+ for a used TB. Screws used to sell for $50-75 (if you could find a used one). Eventually people found a $4 plastic replacement.

That probably means that it was leaking for a while.



Leon
01 VehiCROSS
93 Eagle Summit TSI AWD [email protected] (4G63 transplant)
96 Mitsu Eclipse Spyder GSX
80 Triumph TR7 GST (4G63 transplant)


Edited by Leon_R (11/14/11 11:32 PM)

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Brunoboy
Jesus Clips
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Galant VR-4 org Post #: 1033725 posted 11/14/11 11:47 PM     Remind Me!  Send Private Message   Edit Post      
junkyard tb or extremepsi and others have the plastic screw with o-ring, in my opinion the plastic one is not worth it.



556/1000 KG 8/10/13 .... Sold
352/1000 Summit White sold in 2011 and was totaled by new owner......
92 Eclipse Gsx R.I.P
96 Eclipse Gsx Sold

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misfitsnemesis
Junior Member
602/2000


Galant VR-4 org Post #: 1033744 posted 11/15/11 12:44 AM     Remind Me!  Send Private Message   Edit Post      
Go to mitsu and order you a biss screws its like $1 and change after taxs maybe 2 bucks now if that. Then go to lowes and i belive it a number #5 o-ring.


Here the vfaq
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yeti
Nope still sticky fingers


Galant VR-4 org Post #: 1033746 posted 11/15/11 01:04 AM     Remind Me!  Send Private Message   Edit Post      
I have a plastic one in their now with a tiny bit of RTV on the threads, Its running fine now the part at Mitsubishi is $1 and its the metal one thanks for that info ill be getting that asap.

Do the plastic one's leak?



~turbohair~

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kama1
Member +
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Galant VR-4 org Post #: 1033749 posted 11/15/11 01:20 AM     Remind Me!  Send Private Message   Edit Post      
mine used to always land on top of the tranny.
got a new o ring and rubber cap.



kama1autobody
E39A addict click

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black91GVR4
Unregistered


Galant VR-4 org Post #: 1033752 posted 11/15/11 02:13 AM     Remind Me!  Send Private Message   Edit Post      
I've had several leak, and while trying to unscrew them they tend to freeze in..metal ones are the way to go.

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Drew84
Member
801/2000


Galant VR-4 org Post #: 1033780 posted 11/15/11 09:50 AM     Remind Me!  Send Private Message   Edit Post      
If you can find a metal one, Mitsu superceeded it to a plastic part. I've had no issues with mine and a new o-ring. My metal one went missing on the highway too. Plus the plastic does not corrode and stick in the TB.



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Okayplayer
Member +
1968/2000


Galant VR-4 org Post #: 1033798 posted 11/15/11 12:12 PM     Remind Me!  Send Private Message   Edit Post      
I got mine from here: click
You get the nice little cap too. It's all authentic Mitsu stuff too.



My car eats turbos
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grocery_getter
Senior Crab
836/2000


Galant VR-4 org Post #: 1033801 posted 11/15/11 12:24 PM     Remind Me!  Send Private Message   Edit Post   
Get a small drill bit, drill across thru the top of the cylinder and put in a cotter pin. That will prevent the BISS screw from ejecting itself completely.



Andre
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