Jun 18, 2016 #1 S Sharon Joined Jun 18, 2016 Messages 1 Reaction score 0 Hello need advice. When I change gear car had been making a swirl/ whistle sound like a dumbvalve thingy but now has no power and swirl sound stopped. Is this serious? I drive vectra cdti 150bhp.
Hello need advice. When I change gear car had been making a swirl/ whistle sound like a dumbvalve thingy but now has no power and swirl sound stopped. Is this serious? I drive vectra cdti 150bhp.
