Need replace expansion valve on 1997 Acura TL. Can anyone help?

Question edited for clarity.
Question moved to model category.

In the link

https://www.google.com/search?q=2003+Acura+TL+3.2.+Where+is+the+evaporator%2Fexpansion+valve

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Acura TL Repair and Service Manual Online For 1995, 1996 ...

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www.youtube.com/watch?v=dLJ0G0jxXXs
Nov 20, 2014 - Uploaded by Chris Cruz
Acura TL Repair and Service Manual Online For 1995, 1996,1997, ... All Acura TL submodels including 2.5, 2.5 Premium, 3.2Premium, 3.2, ...

First off, make sure you use a new valve cover gasket and replace and dogged bolts. Tighten them just enough to squeeze the gasket. The purpose is only to keep oil inside the engine and not leak out the valve covers... you aren't bolting down a head gasket here! Use an opposite pattern across the valve cover(s) to tighten them evenly.

go to yelp.com and read reviews. check angies list, go to a place that only does auto ac.

need to remove the evaporator box from under the dash

Contact the better business bureau in your city to find a reputable automotive air conditioner service company.

Click here to see.

I suggest that you visit the autozone.com website and register the car information. It doesn't cost anything and will give you access to an online repair manual for the car. The steps for replacing the water pump should be available there. It's a handy resource for anyone doing their own automotive maintenance and I'm sure you will find it useful. Sure hope so and I hope this helped. Best wishes.

The easiest way to remove the radio from a 1997 Acura TL is from the front. Assuming you know your anti-theft radio code, disconnect the negative side of your battery. See the last paragraph if you have lost your anti-theft radio code.
Next, remove the plastic wood trim from the dashboard surrounding the radio. To do this open the glove box, reach up inside and push out on one of clips holding the wood trim, as it comes loose grasp the trim from the front and carefully pull the trim until each clip unsnaps from the dash. The attached Heater/AC control panel above the radio comes off with the wood trim, so just unclip the 2 wire harnesses from the back and set trim panel aside.
Next, using a phillips screw driver, remove the 4 screws holding the black plastic radio frame into the dash, then pull the radio forward to remove it. Disconnect the 2 wire harnesses and antenna cable from the back of the radio to complete the removal. If you are putting in a replacement radio, just loosen the two small bolts holding the radio on the back of the frame, and then slide the radio out of the frame.

Check this link. May change your mind.

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528008be4b