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Mustang Forums
2011-2014 Mustangs
Power-Adders
Torque Booster Kit - only 8 PSI
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<blockquote data-quote="gimmie11s" data-source="post: 14851207" data-attributes="member: 17953"><p>No. You cannot disconnect the line to the BOV. when there is pressure in the line that goes to the BOV it keeps pressure on top of the valve keeping it closed. you MUST keep pressure in the line when testing.</p><p></p><p>When the vacuum line going to the BOV sees actual vacuum or LESS psi than is in the charge pipe, then the pressure forcing against the face of the valve from inside the charge pipe "wins" and makes the valve release which is when you hear the PPPSSSHHHHH sound.</p><p></p><p>When testing for leaks you must keep the vacuum line to the BOV hooked up.</p></blockquote><p></p>
[QUOTE="gimmie11s, post: 14851207, member: 17953"] No. You cannot disconnect the line to the BOV. when there is pressure in the line that goes to the BOV it keeps pressure on top of the valve keeping it closed. you MUST keep pressure in the line when testing. When the vacuum line going to the BOV sees actual vacuum or LESS psi than is in the charge pipe, then the pressure forcing against the face of the valve from inside the charge pipe "wins" and makes the valve release which is when you hear the PPPSSSHHHHH sound. When testing for leaks you must keep the vacuum line to the BOV hooked up. [/QUOTE]
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Torque Booster Kit - only 8 PSI
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