1997 Ford Aerostar Q&A

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

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. -
Answer 1
Exhaust leak closes up after eng. warms up. -
Answer 2
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 -