Blend Door Actuator - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 12-28-2009, 01:04 PM Thread Starter
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Blend Door Actuator

Hi All,

The last two days my truck has been making a thumping/grinding type sound for about 3 seconds when I select the Defrost/Floor button on my heater.

This only happens when it sits overnight. The heater/AC works fine. Sounds doesn't repeat after warm up. Dropped it off at the dealer this am.

The dealer stated they will need to duplicate the sound and it may possibly be the Blend Door Actuator. Anyone ever have this done? The Service guy said if that is the issue then it most likely will be a "all day job"

Now that the holidays are over and no money, I'm starting to panic. Has anyone on here have had this repair done?

-Evan

Semper Fi

2005 F350 Crew Cab LB FX4 Lariat
Loaded-Leather, Sunroof, 06 Chrome Package
5'' Tuff Country Lift
Toyo MT's 35's with Race Line Renegade 20's
ARP Studs, EGR Cooler Delete, Coolant Filter
MBRP 4'' Exhaust Turbo back, No Cat
SCT X3 Tuned by TSD & IDP
Stock Airbox, NON-MAF Truck
GT3788VA POWERMAX Turbo
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post #2 of 4 Old 12-28-2009, 05:45 PM Thread Starter
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bump to the top

-Evan

Semper Fi

2005 F350 Crew Cab LB FX4 Lariat
Loaded-Leather, Sunroof, 06 Chrome Package
5'' Tuff Country Lift
Toyo MT's 35's with Race Line Renegade 20's
ARP Studs, EGR Cooler Delete, Coolant Filter
MBRP 4'' Exhaust Turbo back, No Cat
SCT X3 Tuned by TSD & IDP
Stock Airbox, NON-MAF Truck
GT3788VA POWERMAX Turbo
DiProcol Optix EGT & Boost Guages , Scangauge II

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post #3 of 4 Old 12-28-2009, 06:14 PM
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Quote:
Originally Posted by ebusa View Post
Hi All,

The last two days my truck has been making a thumping/grinding type sound for about 3 seconds when I select the Defrost/Floor button on my heater.

This only happens when it sits overnight. The heater/AC works fine. Sounds doesn't repeat after warm up. Dropped it off at the dealer this am.

The dealer stated they will need to duplicate the sound and it may possibly be the Blend Door Actuator. Anyone ever have this done? The Service guy said if that is the issue then it most likely will be a "all day job"

Now that the holidays are over and no money, I'm starting to panic. Has anyone on here have had this repair done?
The temperature blend door actuator is what controls the TEMPERATURE setting of the climate control NOT the mode select (defrost, vent, floor, etc.) like you describe. Your mode select is controlled by VACUUM, not an electric motor. I myself have replaced LOTS of blend door actuators on other Ford vehicles, but not F-Series Super Duty trucks.

http://www.yorkdaleford.com/service.html

Ford Diesel/Senior/Master Tech who placed 2nd overall in Ontario on the Fix-It-Right-First-Visit score for 2010

....who works at a dealership that now employs SOME half decent looking female employees since they overhauled most of the administrative staff

....but STILL loves hot women with big boobies

....and STILL hates working on E-Series with 6.0L
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post #4 of 4 Old 12-28-2009, 07:01 PM Thread Starter
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Quote:
Originally Posted by m-chan68 View Post
The temperature blend door actuator is what controls the TEMPERATURE setting of the climate control NOT the mode select (defrost, vent, floor, etc.) like you describe. Your mode select is controlled by VACUUM, not an electric motor. I myself have replaced LOTS of blend door actuators on other Ford vehicles, but not F-Series Super Duty trucks.
Thanks for the information! I will touch base with the dealer in the am since my truck is there overnight. Guess I just have to hope for the best on this one...

-Evan

Semper Fi

2005 F350 Crew Cab LB FX4 Lariat
Loaded-Leather, Sunroof, 06 Chrome Package
5'' Tuff Country Lift
Toyo MT's 35's with Race Line Renegade 20's
ARP Studs, EGR Cooler Delete, Coolant Filter
MBRP 4'' Exhaust Turbo back, No Cat
SCT X3 Tuned by TSD & IDP
Stock Airbox, NON-MAF Truck
GT3788VA POWERMAX Turbo
DiProcol Optix EGT & Boost Guages , Scangauge II

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