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WS vacuum motors
My 96 3.8 L will develop a rough idle after warm up. Have determined that the two vacuum motors on left (passenger) side of engine appear to be cause. Q: what is their purpose? They appear to operate a shaft(s) going into the intake manifold. I have disconnected and plugged the motors vacuum hoses and that has somewhat reduced the effect of rough idle. Q: How difficult is it to R & R these motors?
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