Car Problem Reports
Ford Expedition Knocking sound next to third row seat.
Ford Expedition Problem
Average Mileage: 137,444 mi (78,000 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
Visitor, 2003 Ford Expedition, 110,000 mi
I have had this same problem with the blend door and the Floor/ Ceiling door.
Visitor, 2004 Ford Expedition, 123,000 mi
Same problem never fixed
Visitor, 2005 Ford Expedition, 145,000 mi
Last winter my car was cold, when I turned the rear heat on, it began thumping loudly. Has done it ever since...
KNOCKING SOUND WHEN HEAT WAS ON IN BACK VEHICLE BLOWER