mickeywis Posted April 13, 2015 Share Posted April 13, 2015 Hi everyone, and thanks for reading my post. Just bought a 2002 Galaxy TDI with 145,000 miles and I think I may have a problem. Now and then I hear a kind of dump valve sound from inside the car when changing gear, is that right? And today I can hear a kind of intermittent rattling/knocking noise to coincide. Are these connected? Sorry if this doesn't make sense to anyone but i`m no mechanic!! Turbo still works fine Thanks in advance for any correspondence Quote Link to comment Share on other sites More sharing options...
stef123 Posted April 13, 2015 Share Posted April 13, 2015 Is the exhaust system ok? sometimes a leak in the exhaust can cause a bit of noise when letting off the throttle - which the rattle/knock could be connected if the exhaust is damaged. Quote Link to comment Share on other sites More sharing options...
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