does conversion to R134A require a new compressor
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does conversion to R134A require a new compressor
I have a 93 F-150 4x4 with 5.0 and the E overdrive transmission. I had a local shop install the Retro AC Kit and charge but no cold air is blowing. He stated that I needed a new compressor for it to work effectively? Is this true?
Tony from Mebane
93 F-150 ExCab, 5.0
Tony from Mebane
93 F-150 ExCab, 5.0
Mountain Pass
Joined: Mar 2015
Posts: 200
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From: Hillsboro, OR
I have a 93 F-150 4x4 with 5.0 and the E overdrive transmission. I had a local shop install the Retro AC Kit and charge but no cold air is blowing. He stated that I needed a new compressor for it to work effectively? Is this true?
Tony from Mebane
93 F-150 ExCab, 5.0
Tony from Mebane
93 F-150 ExCab, 5.0
Senior User
Joined: May 2015
Posts: 282
Likes: 3
From: Sonora,Ca
Hey, it would be a good idea to change the compressor but i doubt its nessasary. I picked one from a scrap yard so it wasnt all that much. Theres no point to change anything else. I didnt and it runs good
Cargo Master
Joined: May 2001
Posts: 3,208
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No need to change compressor. But I would change the drier especially if it is the original. the desiccant bag in the old ones will come apart when the new oil introduced into the system. Use either PAG or Ester oil and add a full measure.
Cargo Master
Joined: May 2001
Posts: 3,208
Likes: 13
On our trucks the condensers are large enough to work well with r134a. I change th drier pull the orfice tube and replace it with one for r134a. And probably the most important step is to pull as complete a vacuum as possible for a minimum of 30 mins. Moisture in a r134a system is deadly to system components.
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