Quote:
Originally Posted by S402002
no i didnt i will try. may it cause odd hissing sound under the load??? nobody can find out whats that.
today one of the garages suggested to replece swirl flaps again. they have been done at least 2 years ago and cant get rid of that hissing sound. i think i spent already thousands and no1 know what to do. if some1 know good volvo magician garage please let me know.
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Hissing under load is a boost leak, get under the car and look at the turbo to intercooler plastic hose, these commonly split, it'll be rather oily!
I fixed mine with epoxy and refitted with a mikalor clamp and used extra strong hairspray as a seant on the mating surfaces.