No boost after shift

Ed Kellock ekellock at
Tue Feb 20 16:14:32 EST 2007

Actually I was wondering if the BPV might failing to open, thereby
causing compressor stall.  Have they ever or can they even fail in
that way?

Maybe it's not sealing back up properly or quickly enough after it does open?


On 2/20/07, SuffolkD at <SuffolkD at> wrote:
> Compressor stall?  BPV should address that......
> Ti Kan's quattro list post has these part #'s:
> "From: ti at (Ti Kan)
> Subject: Re: full part # for 710 BPV
> VAG part number: 06A 145 710 N
> Bosch part number: 0 280 142 114
> -Ti"
> Ed K ellocks:
> 034 145 710A cut-off valve  is the part listed for the 3B in ETKA.
> - Ed
> Curoius to which Part # is cheaper?
> -Scott by BOSTON
> From: "Ed Kellock"
> Do bpv's fail in such a way that they don't relieve the boost during a
> shift?
> I have an issue with my Avant where it will pull strong, then be flat in the
> next gear for a moment before taking off again.
> Ed
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