Reply to "Converting to R134a and Sanden compressor"

I have done a few A/C systems now.

OEM hoses are okay or a kit with newer barrier style hoses can be had from the vendors for peace of mind for $425. I made up quite a few for Larry Stock at Pantera Parts Connection with an option that offers additional length so you can route the hoses in the rear fender well along the chassis rail, thus tidying up the engine bay if you so desire.

In my experience key success factors that many miss are;

1. a full reverse flush of the system prior to dismantle so you get through the evaporator core (pressurized flush bottles are available)
2. using ester oil in the system (compatible with any residual mineral oil).
3. changing out the expansion valve as R134a has a different pressure drop and orifice size requirement

Julian
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