Calibration and Probe Reassembly Guide: Technical Tips and Solutions

Client :
Hello, I calibrated my probe but I can't reassemble it correctly.
Is it a small plastic cylinder? If so, where should it be positioned? There are also 2 small gaskets!
https://files.smartsuppcdn.com/files/accounts/409828/uploads/lWidZ9J2S_thumb400.jpg

Technical Advisor :
Hello.
You might have a probe door problem.
Can you take a photo?
07 44 71 55 88 call me, it will be easier.