What controls the blend door actuator? (do the controls on the dash send a signal somewhere, then to the actuator?) I went to the junkyard, bought a Perfect Actuator plugged it in, and it does the same thing.
thanks for your help guys! i fixed it haha it was a plastic key piece that connects the actuator to the blend door... simple fix! And i got the part for free at the junk yard (just paid 25 to get it installed)
You DO NOT have to remove the dash to take the actuator off.
I'll be cruising down the street, AC blowing ice cold, then I hear a little "whump" and it starts blowing hot air. If I turn the AC fan down to the first position, it slowly cools down after about 30 seconds and then I can crank it again. I think the actuator is just getting "tired" and will only hold the door open for so long before it gives up.
Well, Theres a little black plastic piece that "adapts" the actuator to the blend door. That little POS BROKE on my ram.... IT DID THE EXACT THING YOU ARE SAYING. Anyways, i replaced my perfectly good blend door actuator with one from a junkyard and the piece i'm talking about....
How to replace the actuator:
Step one, Put the temp knob to 12'oclock position
Step two, Unplug actuator & Remove 2 screws Holding the actuator in place (one is hard to get to, Be patient... can be removed with a L Shaped Screwdriver)
Step#3, Remove actuator from the housing.
Step#4 Remove plastic adapter
step#5 install new plastic adapter
Step#6 Install new actuator.
STep#7 Test it! (you should now be able to control the temp you want it at.)
If you need these parts, ill try to find them at the local junk yard. Ill sell you my old actuator for $40 shipped if you want it.
I also replaced the controller on the dash, i have a spare one in my garage. It does not have the heated mirror option. $40 shipped. It works great. I just wanted to replace all the parts that control the actuator equally.
If I am looking at the right part. I don't see any way to get to the screws. Would you happen to have any pictures? Or a drawing or something??? Looks like I might be able to get to it if I pull the carpet out. Just not sure.
I have been having the same issues. Typically the blend door will close (go to heat) when I let off the throttle. I thought it might be the vacuum check valves, but I changed both and I am still having problems. I'm going to have to check the piece you refer to.
Here's the pics... Read the pics... How ever, if that plastic peice doesent solve your problem, blend door may be broken... removal of dash is required.
Those pictures help a ton...I had no idea where to look. Hopefully I'll be able to take a look this weekend. It's 90 degree weather here and having the air blow heat really sux.
I had this problem, Replaced temp Controller on dash and that plastic peice under the dash, Prob solved.
if anyone needs a controller, i have one for sale... $40 shipped it works FINE.
I also have The Blend door actuator... 75 shipped for both.
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