Cabin air filter replacement 2018 - TerrainForum.net: GMC Terrain Forum
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post #1 of 13 (permalink) Old 03-19-2019, 07:55 PM Thread Starter
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Cabin air filter replacement 2018

Must have missed the boat someplace. I picked up a replacement filter, got the glove compartment out and having trouble getting the filter cover off. I press in the tabs on each side and nothing wants to move Don't want to force anything. Thought I'd save a couple $ since the last time my wife took it in they charged her $50.something for an air filter. I normally do this myself but being in the middle of Winter decided to let them do it - mistake. Regardless, would like to know the trick to getting the filter cover off the cabin air filter in the 2018 Equinox. Thanks

Last edited by murph11; 03-19-2019 at 07:57 PM. Reason: misspelling
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post #2 of 13 (permalink) Old 03-19-2019, 08:15 PM
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Originally Posted by murph11 View Post
Must have missed the boat someplace. I picked up a replacement filter, got the glove compartment out and having trouble getting the filter cover off. I press in the tabs on each side and nothing wants to move Don't want to force anything. Thought I'd save a couple $ since the last time my wife took it in they charged her $50.something for an air filter. I normally do this myself but being in the middle of Winter decided to let them do it - mistake. Regardless, would like to know the trick to getting the filter cover off the cabin air filter in the 2018 Equinox. Thanks


I have not changed the cabin air filter on a 2018 Equinox (but have changed the filter on a 2013 Equinox and a 2014 Impala 2LTZ).

On those vehicles, the horizontal air filter plastic cover has tabs on each side (left and right). The tabs snap over a notch in the HVAC case.

You said you pushed the tabs. On the vehicles I serviced, I gently pulled one tab outward (not too far...) and it released from the notch on the case. I then slowly pulled the plastic cover outward and the opposite side unsnapped from the case notch without pulling on the tab.

After the filter replacement, I “hooked” one side of the cover on the notch, and then snapped the opposite end onto the notch by pushing on the cover edge.

Two suggestions: 1. When you remove the air filter, ensure that you look at the air flow arrow to make sure you install the new one correctly. 2. When you insert the new filter, you’ll find it is a tight fit. Do not push on the center edge of the filter, as it will bow or buckle and jam. Use your thumbs and push each end of the filter at the same time, and it will slide in the case easily.

Good luck.
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post #3 of 13 (permalink) Old 03-19-2019, 08:31 PM Thread Starter
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Originally Posted by 1999 White C5 Coupe View Post
I have not changed the cabin air filter on a 2018 Equinox (but have changed the filter on a 2013 Equinox and a 2014 Impala 2LTZ).

On those vehicles, the horizontal air filter plastic cover has tabs on each side (left and right). The tabs snap over a notch in the HVAC case.

You said you pushed the tabs. On the vehicles I serviced, I gently pulled one tab outward (not too far...) and it released from the notch on the case. I then slowly pulled the plastic cover outward and the opposite side unsnapped from the case notch without pulling on the tab.

After the filter replacement, I “hooked” one side of the cover on the notch, and then snapped the opposite end onto the notch by pushing on the cover edge.

Two suggestions: 1. When you remove the air filter, ensure that you look at the air flow arrow to make sure you install the new one correctly. 2. When you insert the new filter, you’ll find it is a tight fit. Do not push on the center edge of the filter, as it will bow or buckle and jam. Use your thumbs and push each end of the filter at the same time, and it will slide in the case easily.

Good luck.
Okay, thanks. Not sure if it is the same on the 2018. I've checked around the net and see there are a few different set ups in different years. Most look simple but I cannot find a video etc. for the 2018. I did print out gm's directions and they worked fine until you get to the actual filter cover. The directions say to press the tabs inward and open the door. We've been doing the pressing which looks like it should release the cover but cover will not move I'm sure it's something easy but my wife and I have been fooling with it with no results. The thing of it is that the dealership should have replaced it 15K which they didn't and may just take it over there and have them pop the door off. I'm so upset at those crooks I hate to do that.

Last edited by murph11; 03-19-2019 at 08:35 PM.
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post #4 of 13 (permalink) Old 03-20-2019, 06:42 AM
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Here is a link to a video for replacement on a 2017.

2018 Equinox Premier 2.0T AWD Nightfall Metallic.
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post #5 of 13 (permalink) Old 03-20-2019, 07:17 AM
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Originally Posted by murph11 View Post
Okay, thanks. Not sure if it is the same on the 2018. I've checked around the net and see there are a few different set ups in different years. Most look simple but I cannot find a video etc. for the 2018. I did print out gm's directions and they worked fine until you get to the actual filter cover. The directions say to press the tabs inward and open the door. We've been doing the pressing which looks like it should release the cover but cover will not move I'm sure it's something easy but my wife and I have been fooling with it with no results. The thing of it is that the dealership should have replaced it 15K which they didn't and may just take it over there and have them pop the door off. I'm so upset at those crooks I hate to do that.


If you don’t want to return to the dealer - perhaps use a small mirror and a small flashlight to look at the side of the case, to determine how the cover releases?
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post #6 of 13 (permalink) Old 03-20-2019, 09:15 AM
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Passenger Compartment Air Filter Replacement
Removal Procedure

Object ID: 4583879Click here for detailed picture of the image.

 1. Instrument Panel Compartment Door(1)»Remove— Instrument Panel Compartment Door Replacement

Object ID: 4871907Click here for detailed picture of the image.

2. { If equipped }Passenger Compartment Air Filter Housing Cover Screw(1)»Remove[2x]

Object ID: 4871910Click here for detailed picture of the image.



ON SOME 2018 MODEL YEARS THERE COULD BE SCREWS AT EACH END OF THE ACTUAL FILTER DOOR OR COVER PLATE TO ACCESS THE ACTUAL FILTER
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post #7 of 13 (permalink) Old 03-20-2019, 11:26 AM Thread Starter
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Yes, that may be the answer. There is a screw at each end but the directions I have don't mention doing anything with them. Soon as I see how to see the diagrams I'll give that a try. Thanks
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post #8 of 13 (permalink) Old 03-20-2019, 11:43 AM Thread Starter
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Bigb, there doesn't seem to be any way to click on any of the links you included. I've also tried searching for the object ID numbers and can't find anything. Could you please try sending the link again or at least let me know where you found those instructions so I can check them out? Thanks!!
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post #9 of 13 (permalink) Old 03-20-2019, 01:21 PM Thread Starter
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Originally Posted by murph11 View Post
Bigb, there doesn't seem to be any way to click on any of the links you included. I've also tried searching for the object ID numbers and can't find anything. Could you please try sending the link again or at least let me know where you found those instructions so I can check them out? Thanks!!
BigB Disregard the above. I took out the screws then pushed on the tabs and the top releases. It's really not that obvious, at least to me. Looking at the cover ends, the screws don't appear like they may have anything to do with holding the cover on. You hit the solution right on the head. Many thanks. To find this info on line is tough and I never could find it. Thanks Again! This would be great info for anyone with at least a 2018 changing the cabin air filter. Evidently they are not all the same.
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post #10 of 13 (permalink) Old 03-20-2019, 01:26 PM Thread Starter
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I couldn't get the video to play while in the forum but did not try out of the forum. My guess is though that there are no screws envolved. (see posts below) Regardless, thank you.
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