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Discussion Starter #1
hello . very loud induction noise that seems to be in time with power pulses. refitted the air filter which seemed to quiten it down a bit but still very noisy. is there a resonator pipe or similar anywhere. any ideas please i am new to h100 vans and am struggling with this
thank you
kt1508
 

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welcome to the forums :00000732:

is there a split or tear in the rubber trunking that joins the air filter to the inlet manifold?
 

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Discussion Starter #6
does not appear to be , when you disconnect the rubber that leads to the air filter it becomes very loud and you can really feel it sucking the air in, once its reconnected it quietens down but still loud enough to drive you mad
kt1508
 

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Hiya. have you checked that the air filter housing is done up tight? perhaps you are hearing air being sucked in there?
have you tried taking the air filter out and listening again?
 

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Discussion Starter #8
hi .
refitted air filter. no change. had exhaust system checked, no problem, done compression check all ok. seems to be from intake manifold to air filter is there any baffle or suchlike in intake manifold that could have broken
really struggling now
kt1508
 
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