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24/02/2024 4:19 pm
Topic starter
I have come to the conclusion that the Thermal Expansion Valve on my 2009 Scion xB is sticking intermittently. I can not find any procedure on its replacement. Am I able to replace it without removal of the heater core box and whole dash?
Thank you!
Paul in Phoenix
1 Answer
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24/02/2024 8:06 pm
Looks like it's buried in there pretty good along with the evaporator temperature sensor. Here's the procedure for the latter, the expansion valve should be pretty similar to access:
