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How do you remove the vapor canister?

  #1  
Old 07-09-2019, 11:43 AM
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Default How do you remove the vapor canister?

I am replacing my fuel vapor canister but I cannot figure out how to get the old one out. The black plastic canister is mounted on a metal bracket that bolts into the frame rail (driver's side). The bracket has metal tabs at the front that the canister slots into, and a single nut over a threaded post at the back end. I removed the nut but couldn't remove the canister. I loosened the two bolts holding the bracket to the frame but they don't back out completely even when loose.

What am I missing?
 
  #2  
Old 07-09-2019, 05:40 PM
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It's a heck of a job, I think they mounted it and then put the body on. I had to use a pry bar and some tugging to get mine out.

I'll look at alldata and see what they have for removal
 
  #3  
Old 07-10-2019, 07:26 AM
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LOLOL!!! Yeah, I was thinking the same thing... the canister must have gone in first on the manufacturing line before something else was installed that blocked access to it. I am considering cutting ~1/2" off the end of the threaded post to gain a little clearance.

Any tips from alldata would be helpful and much appreciated!!!

In reference to your post in that other thread, I have a new vent solenoid in front of me, and a new canister and purge valve are arriving today.
 
  #4  
Old 07-10-2019, 08:00 PM
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Alldata has an issue with the diagram that shows the removal, it is blank, I'll try and contact them to see whats up
 
  #5  
Old 07-11-2019, 06:56 AM
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This is what the GM eSI system shows.... I wonder if they just sort of get stuck in place of the years and need some percussive persuasion (beat on it with a hammer or something lol) to get it to move??

 
  #6  
Old 07-11-2019, 07:35 PM
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MixManSC do you have the diagram for the 08 model, I thought I read that he was working on an 08
 
  #7  
Old 07-12-2019, 11:24 AM
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Yup.... its even more descriptive. lol

 
  #8  
Old 07-12-2019, 02:56 PM
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Thank you Sir,

I tried it that way, it will come out but it takes a pry bar to bend the tab over the stud and some tugging to get it out

Neal
 
  #9  
Old 07-12-2019, 02:58 PM
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Alldatadiy has a page with that info but the pictures are blank, I tried to get in touch with them but there is no easy way to do it to let them know of the issue.
 
  #10  
Old 07-16-2019, 12:33 PM
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Legerwn, I think your theory about the canister being installed before the body is true, because you cannot really take the canister out and install the new one as it is laid out!

BUT... if you take a sawzall to the threaded post right above the nut, the shortened post yields plenty of room to remove the canister quite easily!


This pic shows the threaded post cut off at the top of the 13mm nut prior to removal.


With the post cut, I removed the 13mm nut and swung the canister away from the bracket and shifted it toward the rear, freeing it from the bracket tabs at the front of the canister. Installing the new canister is much easier this way, too!

I had trouble removing two of the hose connectors on the rear face of the canister, so I sawzalled the nipples off the canister first, then disconnected the hoses from the cut stubs. By contrast, those connectors go on very easily!
 

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