You need to plug the open vacuum line. Someone has replaced the stock muffler (with the vacuum operated bypass valves) and they forgot to finish the job. The device in the center of the first picture is the solenoid valve that controls the exhaust bypass valves. Normally a vacuum line runs down the back of the car from that valve, connects to a "T", then splits right and left and runs to the bypass valves located near each of the exhaust tips. The solenoid valve is "normally open", so unplugging the electrical connection will still leave you with a leak. Take a small length of rubber hose, connect one end to the solenoid valve outlet and plug the other end with a small bolt (or something similar).
Last edited by doltmo : 05-11-2008 at 06:38 PM.
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