Tomorrow I will be doing my half yearly maintenance; Diesel Purge, new fuel filters, adjust the valves and an oil change.

Now I was wandering if it makes a difference to do the Diesel Purge before the oil change or after?

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).

I wouldn't think it would since the fuel and lubrication systems in the IP are different. Of course, there's always the possibility I'm wrong. Go figure I did the purge on mine between oil changes. I run it on bio when I can so it didn't get any gunk out.

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Seth

1984 300D 225K
1985 300D Donor body
1985 300D Turbo 165K. Totaled. Donor Engine. It runs!!!
1980 300SD 311K My New Baby.
1979 BMW 633csi 62K+++? Dead odo

It will not matter, either way.

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1985 300SD
1983 300D
2003 Volvo V70

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Diesel Purge won't affect the oil, however, the fuel filters might be a different story. Most will recommend changing those after the purge.

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Sam

84 300SD 350K+ miles ( Blue Belle )

I didn't think it would made a difference but you never know with our cars. I will definitely change all the filters.

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).