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Thread: Cannot close air box properly after taking it out for engine air filter replacement

  1. #1
    Join Date
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    Question Cannot close air box properly after taking it out for engine air filter replacement

    I am trying to replace the engine air filter on my 2006 CTS 2.8. I get the FRAM air filter and unscrew the 2 screws on the top of the air box to separate the two parts. Instead of letting the bottom of the box still attached, I completely detached the two parts. The attachment of the bottom was made by 8 feet that insert into 8 slots. The problems is after I place the new filter and want to put the air box part to the original place, there is no way I can get those feets and slots re-engaged at the bottom no matter how hard I try.

    Have you guys ever experienced that?


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  3. #2
    Kingoftypos is online now Cadillac Owners Master
    Automobile(s): 06 CTS Sport/Luxury package
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    Re: Cannot close air box properly after taking it out for engine air filter replaceme

    Yup, there have been plenty of people doing that. You just need to figure out how to put the legs back into the slots. Try it with the filter out, if that doesn't work detach the hose leading to the TB. Or remove the entire filter housing.

    KOT

  4. #3
    arogers260's Avatar
    arogers260 is offline Cadillac Owners Enthusiast
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    Quote Originally Posted by modelcitizen View Post
    I am trying to replace the engine air filter on my 2006 CTS 2.8. I get the FRAM air filter and unscrew the 2 screws on the top of the air box to separate the two parts. Instead of letting the bottom of the box still attached, I completely detached the two parts. The attachment of the bottom was made by 8 feet that insert into 8 slots. The problems is after I place the new filter and want to put the air box part to the original place, there is no way I can get those feets and slots re-engaged at the bottom no matter how hard I try.

    Have you guys ever experienced that?
    I did this too and kept getting p0171 and p0174 error codes. I took the box completely our and reassembled correctly then put it back in. Problem solved

  5. #4
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    Quote Originally Posted by arogers260 View Post

    I did this too and kept getting p0171 and p0174 error codes. I took the box completely our and reassembled correctly then put it back in. Problem solved
    Hello, I am having the same problem as you - I can't get the little hooks back into the holes to keep the air filter and housing attached. Did you take out the piece with the holes and insert it? How did you (or anyone else) manage to get this bugger back in?

    Thanks guys

  6. #5
    CTSUK's Avatar
    CTSUK is offline Cadillac Owners Enthusiast
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    Re: Cannot close air box properly after taking it out for engine air filter replaceme

    I always take the whole box out when I change the filter, gives yo loads of room to get the hooks back in place

  7. #6
    arogers260's Avatar
    arogers260 is offline Cadillac Owners Enthusiast
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    Quote Originally Posted by leikas57 View Post
    Hello, I am having the same problem as you - I can't get the little hooks back into the holes to keep the air filter and housing attached. Did you take out the piece with the holes and insert it? How did you (or anyone else) manage to get this bugger back in?

    Thanks guys
    Exactly what ctsuk said take out the whole box. T here's only three screws and the hose clamp attached to the maf sensor. Once the box is out you should have no problem at all.

  8. #7
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    Thanks guys, worked like a charm! Guess I thought there were way more things attached to the air box than there were!


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