Driftmotion blow off valve quit making noise

89supracrazy

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Oct 31, 2009
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I just purchased the 7m-gte intercooler kit . It comes with a blow valve. At first it was making a whistle noise and now nothing. I have vacuum. I am worried that the blow off is not working at all. How can I test it. I am afraid of compressor surge. Any have any ideas let me know.
 

D.J.T.

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Aug 25, 2010
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Truth is, the BOV is screwed. That BOV location is horrible , it's right above the turbo (oddly the stock BPV is located there). The heat melts the check valve in the blow off valve. I've gone through 3 Blow off valves already. Relocate the Blow Off Valve but let Aaron know about your melted BOV.
 

89supracrazy

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Oct 31, 2009
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That is what come to my mind that the heat might have damaged it. Thanks. I will let Arron know about it. My waste gate is chattering bad after boost. Will this damage my turbo.
 

D.J.T.

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Aug 25, 2010
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Arkansas, United States
89supracrazy;1756362 said:
That is what come to my mind that the heat might have damaged it. Thanks. I will let Arron know about it. My waste gate is chattering bad after boost. Will this damage my turbo.

Are you sure the chattering isn't Compressor Surge? & yes the BOV not working properly WILL damage your turbo. It causes compressor surge.
 

89supracrazy

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Oct 31, 2009
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I have the drift motion 57 trim and on my old turbo I did not hear that noise. It is a fresh rebuilt turbo. I just finished the project on Sunday. Even with the bov making the whistle noise I still heard a chatter sound. It got louder when the bov quit working.
 

89supracrazy

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Oct 31, 2009
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I hope it has not damaged the turbo. I have not drove far in two days. Just trying to work the bugs out right now. I am going to park it until I talk to Arron.