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Discussion Starter · #1 ·
Hi guys: I did the mass airflow sensor and throttle body cleaning in my 06 Sienna yesterday. I cleaned the throttle body once at 110k miles. It doesn’t look bad before cleaning. I found the hose between engine and the throttle body is a little bit loose by the engine side. Does anyone know the parts number? Thanks!

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Discussion Starter · #2 ·
I stopped by our local Toyota dealership. The parts number is : 12261-0A020.
 

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Hi guys: I did the mass airflow sensor and throttle body cleaning in my 06 Sienna yesterday. I cleaned the throttle body once at 110k miles. It doesn’t look bad before cleaning. I found the hose between engine and the throttle body is a little bit loose by the engine side. Does anyone know the parts number? Thanks!
I could be wrong, but I think that "loose" hose is actually the hose insulation and supposed to be loose. I think this is the correct parts diagram: VENTILATION HOSE. 2006 Toyota Sienna | Toyota
 

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Discussion Starter · #4 ·
Hi BillG: I can easily twist the hose. The clamp looks ok. Anyway, I ordered one from dealership. I will replace it before my road trip next week.

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To further insulate that hose where it connects to the valve cover I placed a piece of insulating foam between the hose and the cover at the clamp area. This slows , I hope , the hardening of the hose .
 

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Discussion Starter · #6 ·
Hi Paul: thank you for the tip!

To further insulate that hose where it connects to the valve cover I placed a piece of insulating foam between the hose and the cover at the clamp area. This slows , I hope , the hardening of the hose .
 

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Discussion Starter · #7 ·
Just changed the vent hose today. The engine side is really harding and enlarged compared to the new one. The other side is also cracked.

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You done good!!
 
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