Rear A/C noise

[Robert Smith]

Good morning.

My Expedition has developed a clunking sound in the rear when I turn on the rear A/C. I’m thinking it’s some kind of actuator or maybe a vent door sticking? Anybody have any ideas?

Thanks a lot!

 

[Plati]

Search the Forum. This is probably the most well known Expy problem there is.

 

[Robert Smith]

I tired once. I try a couple more search terms.


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[1955moose]

Robert, your problem is with the rear blend door, or it's actuator. Google noise on rear AC Ford expedition. A bunch comes up. I'm sure one of the others will post here the repair. Are you gonna fix or is a shop nearby?

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[Plati]

search using thumping
look for other good keywords in those posts and use those if more posts needed

I just reached in and pulled the connectors to each one to stop the noise
but i'm in NY and don't need rear a/c & I can live without the heat & mine is a beater

 

[Robert Smith]

I’ll probably at least try to fix myself. Thanks for the info.


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[Plati]

then this will help

 

[Robert Smith]

Excellent. Thanks!


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[Plati]

I think theres 2 of them back there.
One controls air flow & one controls temperature blend.

 

[Robert Smith]

Ok, I’ll check it out.