i need some questions answered - Ford Powerstroke Diesel Forum

 
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post #1 of 5 Old 01-22-2011, 04:40 PM Thread Starter
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i need some questions answered

these might be dumb questions but i need to know to solve my problem. what does the wastegate do and what does it sound like when the exaust back pressure valve is activated?

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post #2 of 5 Old 01-22-2011, 04:46 PM
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The wastegate is just what is sounds like. Its a tiny gate that opens and excess boost pressure is blown out of it, thus wasting it. Its meant to keep from overboosting the motor.

The EBPV sounds a lot like a huge HVAC fan. Sounds kinda like a jake brake on the intake side, and just a loud *** hiss on the exhaust side.

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post #3 of 5 Old 01-23-2011, 03:04 PM Thread Starter
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would that loud hissin sound, sound like a squeel kind of sound as well at about 2500 rpm in boost?

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post #4 of 5 Old 01-23-2011, 04:32 PM
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Quote:
Originally Posted by DieselPowerGary View Post
would that loud hissin sound, sound like a squeel kind of sound as well at about 2500 rpm in boost?
If the EBPV is oberating on factory settings, it won't activate if your building boost because the turbo practically stops spinning when it closes. Your prolly hearing either the wastegate or vacuum accuator thing.

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| 1.6 EcoBoost | 6-Speed Manual | The basics and some goodies |
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post #5 of 5 Old 01-25-2011, 07:12 PM Thread Starter
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well i think i need to go for a ride w someone that is psd savie and let him listen to it. thank you for the info i have been educated.

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