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post #1 of (permalink) Old 10-08-2019 Thread Starter
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2013 impala actuator

I have a 2013 impala ltz. I believe an actulator is going out, but I just want to ensure I know which one. Whenever you open a door it starts to tick like a mad man. Also, whenever you switch vents it ticks as well, switching to hot/cold makes it tick, and the passenger side ac/heat doesn't always switch. I'll have it max on heat and its ice cold, so I have to go to cold then back to heat for it to switch. Inlet actuator or the blend? Easy to replace?
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post #2 of (permalink) Old 10-08-2019
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Depends on which one it is. There are I think 3 total actuators. We had one go bad and did pretty much the same as you posted, even continued clicking after the key was off and out of the car. Access to them is behind the glove box, the one I had to replace was the easiest to get to, I am not small and have extra large hands but was able to replace the actuator in our car in less than 20 minutes that is counting getting and putting away my tools. Would be easier for someone with smaller hands especially getting to the other 2. There are 2 different actuators in these cars so be sure you get the right one. In order to figure out if it is the closest one or which one it is, you can just unplug it at the actuator and see if the clicking stops.

Probably gonna be this one https://www.rockauto.com/en/moreinfo...FBBjJO8izMo%3D, this is the other https://www.rockauto.com/en/moreinfo...FBBjJO8izMo%3D

My 6 year constantly asks why. What adults can learn from 5 and 6 year olds, to listen with your ears and mind open. Hard to learn when you don't listen ......
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Originally Posted by pleasehelpme View Post
I have a 2013 impala ltz. I believe an actulator is going out, but I just want to ensure I know which one. Whenever you open a door it starts to tick like a mad man. Also, whenever you switch vents it ticks as well, switching to hot/cold makes it tick, and the passenger side ac/heat doesn't always switch. I'll have it max on heat and its ice cold, so I have to go to cold then back to heat for it to switch. Inlet actuator or the blend? Easy to replace?
You have a lot of clicking going on ! You get it when you switch vents (mode actuator) and you get it when you move the hot/cold knobs (blend actuators).

I don't know all the details of the HVAC software, but it may be that, when the processor detects a change in any setting, that triggers it to check flags, and, if it sees a flag set that it has lost one actuator, the bad one, it may go try and re-calibrate that one actuator while it's also responding to the other input change.

For example, if the passenger side blend actuator is bad (and the others are good), and you make a vent setting change, while the software powers the mode actuator to select the different vent, it also tries to re-cal the bad blend actuator so you hear it clicking, and not the mode actuator.

Or, maybe you have more than one bad actuator clicking

The point is that it may be one actuator making the noise even tho you're changing settings that affect other actuators.

But I would focus on the passenger side blend actuator first since it's the one where you got cold air when it should have been hot.

As I recall, you will need to remove the trim from below the dash on the passenger side. I don't think you need to disassemble the glove box for this one, but I won't swear to that. (As I recall, that's only needed for the mode actuator and the inlet actuator.)

One test you might try is to remove the electrical connector from the passenger side blend actuator, then change some settings and see if the clicking returns. If the clicking is gone, that should confirm that actuator is the bad one.

The screws on it require a 5.5mm socket. 7/32" works well, too.

HTH.

Doug

.
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post #4 of (permalink) Old 10-08-2019
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It's easier to access the Mode motor and the RH Blend motor with the glovebox out.
Nothing makes the Recirc motor easy to access... it's jammed up against the RH kick panel IIRC. It goes from nearly impossible to almost miserably doable when you take the glovebox out.

The Recirc motor along with the LH & RH blend motors are the same parts.
The Mode motor that selects the Defrost through Floor mode flap is the only one that's different.
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The first link in my first reply was the part I had to replace, rock auto lists it as the air inlet but showed on my email invoice as a heater blend door actuator. Getting to the plug on the actuator I had to replace behind the glove box is pretty simple, I would just unplug it and see if the clicking stops. If it does, then you know that one is bad, if not you can reach the other 2 from behind the glove box and would just try the next easiest one to reach to rule each one out by process of elimination. Our car was doing the same thing with opening and closing the doors setting it off and on without any pattern or rhyme or reason even with the key out of the car and also was set off by changing the temp.

My 6 year constantly asks why. What adults can learn from 5 and 6 year olds, to listen with your ears and mind open. Hard to learn when you don't listen ......
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Quote:
Originally Posted by pleasehelpme View Post
I have a 2013 impala ltz. I believe an actulator is going out, but I just want to ensure I know which one. Whenever you open a door it starts to tick like a mad man. Also, whenever you switch vents it ticks as well, switching to hot/cold makes it tick, and the passenger side ac/heat doesn't always switch. I'll have it max on heat and its ice cold, so I have to go to cold then back to heat for it to switch. Inlet actuator or the blend? Easy to replace?
Wow, they still hadn't fixed these actuators by 2013 ... I have a 2008 and have replaced all 3 yrs ago, and now I'm starting to have to replace them again ... the passenger side temp actuator has been clicking lately. Have they changed the design of these on the more recent yrs ?

-- Steve
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post #7 of (permalink) Old 10-11-2019
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Originally Posted by skenney View Post
Wow, they still hadn't fixed these actuators by 2013 ... I have a 2008 and have replaced all 3 yrs ago, and now I'm starting to have to replace them again ... the passenger side temp actuator has been clicking lately. Have they changed the design of these on the more recent yrs ?

-- Steve
I doubt the design or materials have been improved at all in recent years. Recently had to replace the recirc actuator in my 2016 due to a broken tooth on the intermediate gear, if that's any indication.


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Quote:
Originally Posted by Tesla View Post
I doubt the design or materials have been improved at all in recent years. Recently had to replace the recirc actuator in my 2016 due to a broken tooth on the intermediate gear, if that's any indication.
OK, Thanks ... that stinks.
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You can totally change out any of the 3 actuators yourself. The toughest one is on the drivers side and once you remove the panels above about where your knees are when driving and a couple other things... (Youtube videos galore are available so you can watch someone else do theirs).
If your not sure which one then unplug easier access ones and see who is still ticking. I’ve replaced all 3 of mine and a couple twice. I now keep an actuator spare on hand as 1 new 1 didn’t even last a year. Don’t count on any improvements have been made because Inbought the fifty something dollar improved one from the dealership and it failed just as quick as any. I get them from amazon for like $13 and they seem to be holding up better than any. They have plastic gears inside and like me, after you’ve replaced a few... I took them apart and used parts to make another spare... free. Good luck... You got this!
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I just replaces the drivers side and the left one on the passengers side. I have one more to change. the hardest part in removing the under dash drivers side panel and the glove box. The motors are easy to replace.
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I just replaces the drivers side and the left one on the passengers side. I have one more to change. the hardest part in removing the under dash drivers side panel and the glove box. The motors are easy to replace.

You may change your mind about how easy it is to swap out an actuator after you've tackled the recirc. Swapping that one sucks massively.

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You may change your mind about how easy it is to swap out an actuator after you've tackled the recirc. Swapping that one sucks massively.

Yup. That one is more than a little bit obnoxious.

It makes up for how easy it is to do the other three.

At least it's not a T800 Silverado. You can do the Impala actuators without taking the dash out.
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Last edited by hatzie; 3 Weeks Ago at 05:13 PM.
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