I've bounced around here on the forum. Has anyone used the retro kit by Auto A/C Solutions out of Texas ? Any thoughts ? 

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I have never heard of that AC kit on this site and I am on here at least  twice a day since 2006 

There is a lot of good info about AC repair in the search section ( library posts ) top right of  the home page 

Clovis has posted one of the better posts on restoring the 64 comfort control that covers the subject extremely well 

Hope that helps 


  1. thanks for your reply. I'm still gathering info and contemplating on what to do and direction to take.

I’ve not taken the deep dive into my own CC system, but I have Cadillac Tim’s book on the matter and have read it. 

It seems fairly simple to work on these old systems. I’d invest the $50 in the Comfort Control system book and attempt to trouble shoot before putting an after market system in. 

Of course, if your car does not have a factory ac system, that is a different story.

Cadillac Tim’s book on the stock 64 cc system is as good as it gets to get it to work as it should - which is outstanding when right 

The 64 Service Manual does  not help you fully understand the  cc system due to updates that took place after its printing to improve the system 


All the AC updates that took place to the cc system came after the Service Manual being published  and are in the Service  Bulletins that came after the Bible  as the updates took place 

Those Service Bulletins are available to read on this site if they should be needed


thanks, definitely considering it.

10/4 thanks

I never heard or used this kit when i restored my 64 cc system. Mine now works perfectly as a result of the restoration. I had no previous refrigerant training or do this sort of thing before.  After studying a bit I bought all the tools needed and all the parts required. The system is really four systems in one. A cooling, heating, vacuum and electrical electronic system. Each system has to be verified they are working correctly in order for the whole system to work.

Most shops and people just try to make one part of the system work and most of the time that never works as other things are inoperable. 

This fifty eight year old technology is pretty simple to today's standards. I saved myself a huge amount of money doing my own servicing. 



Always enjoy you stoping by and your input for what you add to this site 

I do not see some of the canisters that were on the driver side when you first installed the fuel injection carb 

Have you removed the fuel injection unit ? Or just doing something else with that set up ?

Very glad to see that your Cadillac restoration has come   a long way and well as I know you have other projects in the works often

 Was not sure how much attention the Cadillac restoration was getting with all else going on 

Is your Cadillac road worthy yet or still a work in progress ? 
That is a very handsome looking  4 door Cadillac you have there 

I remember the Cadillac having a very special look when I first saw a picture of it —- nice different color 



Your engine bay looks well cared for and involved 

Can we have a clue what you have going on under there with the additions you have made 




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