I have a few R134 conversion questions that I have not found answers to in my search of this site.

The coil on my 190 has a leak and it needs to be replaced. My indi recommended that since the coil needs to be replaced and the cost of R12 is going up and up that I might as well convert to 134.

The indi told me that I would need to replace the coil. Dryer/receiver and expansion valve but not the hoses. I was under the impression from some of the things I have read that the hoses need to be replaced with 134 friendly hoses due to the fact that the 134 molecule is smaller than R12. So, do the hoses need to be replaced or not?

Most of the threads I found were a bit dated so I will ask this (I have a feeling I probably should not but what the hell), does anyone know how this will affect the cooling? I live in TX. I saw one thread where someone had a 190 and felt no ill effect as a result of the conversion.

Thanks

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