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Patrick L. · 05-02-2013, 06:32 AM

Are you trying to say that it wasn't 'popping' until the mentioned work was done ? There is no tapered flange on the exhaust manifold ? How is the exhaust pipe/muffler attached ? It sounds to me as though you may have an vacuum leak.

05-02-2013, 06:32 AM	#3
Patrick L. Senior Member Join Date: May 2010 Location: Largo Florida Posts: 7,225	Re: Popping sound while shifting gears? Are you trying to say that it wasn't 'popping' until the mentioned work was done ? There is no tapered flange on the exhaust manifold ? How is the exhaust pipe/muffler attached ? It sounds to me as though you may have an vacuum leak.