Sorry for beating a dead horse with a stick, but I have a 2005 g6 gt, and Its making the whining/whistling noise over 3500 rpm. Could I go a bit bigger on the muffler, so instead of the 4", maybe go up to a 5? Or would that not work?
High pitch whistle on acceleration
I have a '07 G6 GT that I inherited from my 87 y/o grandfather when he past away in January. Yes, it's red because what other color would an 87 year old man drive. Within the last 2 months I've started noticing a high pitch whistle/noise when I accelerate. If I back off the throttle its goes away. I thought it was brakes at first but I get no noise when I brake at any speed. Only when I accelerate. Anyone have any thoughts? Haven't brought it in yet, want to see if its a minor fix I can do myself.
Thanks.
Mario
Thanks.
Mario
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