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1997 Ford Aerostar Question: Occasional Rumbling heard from passenger side when starting up Van.

 

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aerostar driver, 3.0L V6, Carlsbad, CA, August 24, 2012, 12:53
 Rookie

SOmetimes when starting up my Van, before engaging Transmission, I will hear a rumbling coming from what seems to be passenger middle to back side. The rumbling will go away after driving. This has been going on for 20,000 miles.

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  • Answer #1

    pushrod August 24, 2012, 17:05
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     Master

    Exhaust leak closes up after eng. warms up.

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  • Answer #2

    Greg's Orange Auto (13428 Answers) , Orange, CA - (714) 361-9386
    globalhelper August 24, 2012, 17:11
     Master

    POSS EXH LEAK AT MANIFOLD OR HEAD PIPEOR CRACK IN MANIFOLD. PULL DOG HOSE AND LOOK FOR SPOT WITH BLACK CARBON BUILD UP AND THAT WILL BE YOUR LEAK

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