Question about 2008 Ford F 250 Super Duty 4WD
When I turn the air on it makes a thumping noise under the engine compartment. It will thump every now and then while driving and the air is on. When the air is turned off the noise does not happen. What is wrong? Please help!
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
The concern lies in the temperature blend door. Most likely if it is clicking the door is broken where the motor shaft (the motor that actuates the door) goes into the door. Replace both the door and motor ( unfortunately from Ford the whole heater box needs to be replaced) or an aftermarket such as Dorman may have the door separate. The entire dash needs to be removed for the repair so it is quite costly.
Posted on Oct 18, 2008
I have the 03 Expy with continuous rear air unit "clicking" or more accurately flapping of the air damper while the plastic gears in the 2L2H-19E616-AA grind away into toothlessness. Ford designed this unit to find the end of travel by jamming the motor to a stop and monitoring the current to determine when to stop applying voltage. That would probably be fine if the gears were designed to handle the jammed torque or the motor did not slip out of groove and continue turning and cracking the plastic gears.
There are two white colored boxes, one is for the temp plenum door, the other the upper/lower air flow. To be sure, do what I did, turn on the ignition, rear ac/heat and listen for the obnoxious click/thump as you move the temp control from full heat to full cool, you will know which part. Disconnect the electrical connector, four bolts and it is out!
Go to your dealer, part should be about $60 or less, look on line, lots of dealers sell for this or less on internet.
Posted on Apr 07, 2009
check the wheel bearings, sway bar link kits, ball joints, and struts. I know that sounds like alot of things in the front end of this car to check but as i worked at ford those are the MOST COMMON issues these cars had that could be related to your issue. the coil springs have a tendency to break often also. that problem is usually all 4 coil springs.
Posted on Aug 05, 2009
Tips for a great answer:
Feb 03, 2016 | Cars & Trucks
Jul 09, 2015 | 2008 Cadillac Dts
May 26, 2015 | 2000 Subaru Outback
Apr 18, 2011 | 1999 Chevrolet Silverado 1500
May 20, 2010 | Cars & Trucks
Sep 10, 2009 | 2004 Pontiac Vibe
Aug 14, 2009 | 2008 Ford Taurus X
Nov 27, 2008 | 1994 Chevrolet C1500
221 people viewed this question
Usually answered in minutes!