Car Problem Reports
Ford Expedition Knocking sound next to third row seat.
Ford Expedition Problem
Average Mileage: 156,200 mi (83,000 mi - 223,000 mi)
Knocking sound in the back of the car when the a/c or heat is on.
Replaced the rear ac blower damper motor. = $40.00
Visitor, 2004 Ford Expedition, 190,000 mi
Knocking sound heard behind middle passenger seat. Second row only not blowing hot or cold
KNOCKING SOUND WHEN HEAT WAS ON IN BACK VEHICLE BLOWER