# A/C repair ballpark figure.

**URL:** <https://boards.straightdope.com/t/a-c-repair-ballpark-figure/312254>\
**Category:** In My Humble Opinion\
**Created:** [July 13, 2005, 12:19am UTC](https://boards.straightdope.com/t/a-c-repair-ballpark-figure/312254 "2005-07-13T00:19:54Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![Rick](https://avatars.discourse-cdn.com/v4/letter/r/9f8e36/32.png) [@Rick](https://boards.straightdope.com/u/Rick)\
**Post date:** [July 15, 2005, 3:33pm UTC](https://boards.straightdope.com/t/a-c-repair-ballpark-figure/312254/21 "2005-07-15T15:33:27Z")

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My respoinse was to **bauble** not to you.

> [@](#):
>
> How tough a job is that ? Inspired by your post, I looked up that kit and am somewhat intimidated by the **number of O-rings and gaskets involved.**

(bolding mine)  
Now maybe I’m an idiot here (after all I have only been working on cars for about 40 years) but how in the hell do you replace o rings in an A/C system without opening the system to the outside air? 😕  
FWIW there should be no need to remove the R-12 vacuum oil, just add the ester oil (as I mentioned in my first post)

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