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ev_santillano · 04-03-2017, 09:12 PM

Im driving a 2017 1SS automatic. On my way home from work I hit the gas to start merging onto the freeway and as hit the pedal I heard what I can only describe as a valve flap opening very loudly and suddenly. It did not sound normal it was much louder than anything I have heard. So Im thinking it was the AFM valve that opened by me hitting the gas and the car going from V4 to V8 mode but after that I started to notice what I'm thinking is an exhaust leak coming from somewhere along the exhaust pipping on the drivers side towards the front of the car but behind the engine which further leads me to believe something happened down there when the AFM flap opened up. It sounds exactly like an exhaust leak and it started happening after the loud valve opening sound I described. Anyone have any ideas? Ive only been under the car once to change the oil and I don't really remember how everything looks under there. She is definitely going up on a lift tomorrow when I get to work so I can check it out.

04-03-2017, 09:12 PM	#1
ev_santillano Drives: 2017 1SS Camaro Join Date: Jul 2016 Location: McFarland California Posts: 51	AFM exhaust leak? Im driving a 2017 1SS automatic. On my way home from work I hit the gas to start merging onto the freeway and as hit the pedal I heard what I can only describe as a valve flap opening very loudly and suddenly. It did not sound normal it was much louder than anything I have heard. So Im thinking it was the AFM valve that opened by me hitting the gas and the car going from V4 to V8 mode but after that I started to notice what I'm thinking is an exhaust leak coming from somewhere along the exhaust pipping on the drivers side towards the front of the car but behind the engine which further leads me to believe something happened down there when the AFM flap opened up. It sounds exactly like an exhaust leak and it started happening after the loud valve opening sound I described. Anyone have any ideas? Ive only been under the car once to change the oil and I don't really remember how everything looks under there. She is definitely going up on a lift tomorrow when I get to work so I can check it out.