How difficult to replace the actuator behind the dash? Is there a tutorial? on 2003 Toyota Highlander

How much is the actuator, and where could I buy it? Thank you for your expertise.

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2 answers 2 comments
Try www.alldatadiy.com for instructions, and the estimator for a price in your zip code area.
Thank you, I will try the web site.
depends on which one it is, 2 are like 1 hr and the middle one is approx 5hrs
Thank you so much.