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Toyotapro
Toyotapro, ASE master tech
Category: Toyota
Satisfied Customers: 9973
Experience:  ASE Certified, 10+ years Lexus and Toyota Certified
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What do I need to remove in the car to replace evaporator ...

Customer Question

What do I need to remove in the car to replace evaporator and expansion valve? I have a 1994 camry XLE 1MZ v6 engine. Local Toyota folks said I have to remove instrument panel and the a/c unit!
Submitted: 6 years ago.
Category: Toyota
Expert:  Toyotapro replied 6 years ago.

Hello and thank you for using just answer. You do not have to remove the instrument panel on this car to service that. I have replaced several of these, you do have to remove the glove box and all the connectors/ecu's etc... that are infront of the evaporator case. Here are some illustrations for you:

graphic

graphic

graphic

You will also need to replace the reciever drier once the system has been opened.

The blower unit is held in place by 3 screws and 1 nut, once pulled out from under the dash the evaporator case is exposed, you will now have easy access to replace these components.

graphic

graphic

The suggested labor time is 1.8 hours to replace the expansion valve to give you an idea of how long and in depth this repair is.

Toyotapro, ASE master tech
Category: Toyota
Satisfied Customers: 9973
Experience: ASE Certified, 10+ years Lexus and Toyota Certified
Toyotapro and 4 other Toyota Specialists are ready to help you
Customer: replied 6 years ago.
I have all those pictures. The evaporator door has part of the blower unit in front and blocks the door from opening. I have removed all screwws and bolts I could find to remove what is in front of the evaporator door but that assembly does not move much.The door to the evaporator is long top to bottom and there must be a way to remove the blower asembly blocking the door. I have the Toyota manual and I do not know what to do. Some camry models are easier than others. Have you removed one evaporator in a 1994 camry XLE 1mz v-6 engine.? Help!

One Toyota dealer says I have to remove the whole A/C unit.
Expert:  Toyotapro replied 6 years ago.
I'm a little confused on your statement, have you completely removed the blower unit that houses the blower motor already?
Customer: replied 6 years ago.
Dear XXXXX,

The key to my problem is removing the complete blower unit housing. I removed the motor and all screws I coulod find but that sucker does not come off so I can reach the evaporator door. Any ideas?
Expert:  Toyotapro replied 6 years ago.

Sorry, those are the best illustrations I have until monday, there are 3 large phillips screws that hold the blower housing to the a/c evaporator case and there is 1 nut up top near the cross pillar, if you follow the seam of the case you should be able to find the 3 screws easily (black in color and they also have a 10mm bolt head around the phillips head), the nut is a little harder to locate but can still be pulled from under dash. Take another look, you did the right thing by removing the blower motor to make it easier to move the case around but until you remove the case you will not have access to the a/c case.

Toyotapro, ASE master tech
Category: Toyota
Satisfied Customers: 9973
Experience: ASE Certified, 10+ years Lexus and Toyota Certified
Toyotapro and 4 other Toyota Specialists are ready to help you
Expert:  Toyotapro replied 6 years ago.

Sorry for the dealy, it takes a while to upload the documents, here are the instructions for you Directly from the Toyota manual- (not haynes/etc...the TOYOTA manual)

Download 1

Download 2

Download 3 -download 3 is only needed to refrence glove box removal, also don't forget the reciever drier will need to be replaced once reassembled to ensure proper a/c operation

Toyotapro, ASE master tech
Category: Toyota
Satisfied Customers: 9973
Experience: ASE Certified, 10+ years Lexus and Toyota Certified
Toyotapro and 4 other Toyota Specialists are ready to help you
Customer: replied 6 years ago.
Thanks for a job well done.

Luis
Expert:  Toyotapro replied 6 years ago.
Thank you

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