Purging or sucking sound between manual shifts
08-04-18, 05:34 PM
#1
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Purging or sucking sound between manual shifts
Ive seen several videos of the isf in manual mode, and i haven't noticed the purging sound or sucking sound between gear shifts that my car makes. Does anyone know what its from. I know the isf has a secondary intake but i know its not that. It happens rght after shifting gears.
08-05-18, 12:29 AM
#2
Yep similar sound from my F, it's only when the revs are high and I go for another gear in manual mode having fun. As you say a split second after the gear is engaged.
Last edited by Mark6pot; 08-05-18 at 12:31 AM. Reason: More information
08-05-18, 03:40 AM
#3
Belt slipping. I don’t think there’s was ever a real fix for this issue. Those that have replaced the tensioner have said the same thing happens shortly thereafter. I kind of like the noise, it’s almost like a blowoff valve or something. I might ask my dealer to take a listen while I am under warranty at my 60k service, but, I’m not too concerned over it.
08-05-18, 05:30 AM
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Belt slipping. I don’t think there’s was ever a real fix for this issue. Those that have replaced the tensioner have said the same thing happens shortly thereafter. I kind of like the noise, it’s almost like a blowoff valve or something. I might ask my dealer to take a listen while I am under warranty at my 60k service, but, I’m not too concerned over it.
08-05-18, 05:31 AM
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08-20-18, 04:16 PM
#8
Belt slipping. I don’t think there’s was ever a real fix for this issue. Those that have replaced the tensioner have said the same thing happens shortly thereafter. I kind of like the noise, it’s almost like a blowoff valve or something. I might ask my dealer to take a listen while I am under warranty at my 60k service, but, I’m not too concerned over it.
I never knew that's what it was, thanks for the info. I concur about kind of liking it, sounding like a BOV or something haha
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