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Ask GM Tech (Cam) Your Own Question

GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 27664
Experience:  GM Grand Master Technician 2007. 11 years experience.
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How do you remove the charcoal canister from a 2002 Chev trailblazer

Resolved Question:

How do you remove the charcoal canister from a 2002 Chev trailblazer 4x4?
Submitted: 5 years ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 5 years ago.

Welcome. I will try my best to help you and in order to do that, I need you to describe as best you can because I only know as much about your problem as you have told me in your post, so my answer will be based on what you have posted. Please feel free to reply as needed.

Is this the carbon canister?

Expert:  GM Tech (Cam) replied 5 years ago.

If so, then you need to remove the fuel tank shield to get at it.

Object Number: 759221  Size: SH

  • Raise and support the vehicle.
  • Remove the frame brace mounting bolts.
  • Remove the frame brace.
    Object Number: 730787  Size: SH

  • Remove the fuel tank shield to the frame retaining bolts and nut.
  • Remove the fuel tank shield from the frame.
  • Object Number: 730716  Size: SH

  • Disconnect the evaporative emission (EVAP) vapor pipe (4) from the EVAP canister (3).
  • Disconnect the EVAP vent pipe (2) from the EVAP canister (3).
    Object Number: 730731  Size: SH

  • Disconnect the EVAP purge pipe (2) from the EVAP canister (1).

    Important: Do not pry against the surface of the evaporative emissions canister. This could damage the canister.


    Object Number: 730715  Size: SH

  • Remove the EVAP canister (3) from the front tab of the canister bracket (1).
    Object Number: 812957  Size: SH

  • Insert a flat head screwdriver as indicated in illustration.
    Object Number: 812972  Size: SH

  • Pry the canister away from the top tab as indicated in graphic and repeat the process on the lower tab.
  • Slide the canister forward to disengage the rear tab.
    Object Number: 730715  Size: SH

  • If replacing the EVAP canister bracket (1), remove the canister bracket retaining bolts (2) and remove the bracket.
  • Customer: replied 5 years ago.
    I am guessing we are talking about something different because it's above the cross member where I need to have removed before I can get the transmission out.
    Expert:  GM Tech (Cam) replied 5 years ago.
    Yes, the instructions I have mentioned are to get at that. YOu need to take the skid shield off to get at that.
    Customer: replied 5 years ago.
    You are right & my husband is dumb! He said he thought that was what he needed to do but didn't want to break anything. After reading him what you said (he's at the shop and I'm at my job) it made sense to him. Thank you
    Expert:  GM Tech (Cam) replied 5 years ago.
    No problem at all. I'm glad I could help. If this is all you need, please feel free to click accept. You will be able to reply for more information as needed.
    GM Tech (Cam), Chevy Technician
    Category: Chevy
    Satisfied Customers: 27664
    Experience: GM Grand Master Technician 2007. 11 years experience.
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