aircon regassed, fuel usage dropped

Started by jimay3677, November 05, 2014, 09:47:29 PM

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jimay3677

Hi everyone, I had my aircon regassed last week and ever since my fuel usage has been dropping from 8.2L/100k down to 7.6L in my 2002 156 JTS, is it possible the regass could have had this affect?

colcol

Yes and no, with a full charge of gas, the compressor will be switched off longer, not draining the power from the engine, but with gas to compress, it will work harder during on cycles.
With low gas, the compressor will be on longer, but with little gas to compress, it won't be working as hard, draining less power.
Best you have it gassed up, so thats its pumping less time, not wearing out the pistons in the compressor.
Hope you got it vacumned down correctly and a new receivor drier installed, Colin.
1974 VW Passat [ist car] 1984 Alfa 33TI [daily driver] 2002 Alfa 156 JTS [daily driver]