After unplugging the ARV I can use the nut to seal the hole but what do I use on the vacuum line to seal it? Same for the EGR.

Thanks, Igor

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1984 MB 300D Turbo Diesel W123 Sedan 132K
1987 MB 300D Turbo W124 Sedan 295K
1983 Porsche 944 104K
1989 Audi 80 Quattro 180K
2002 Audi A6 3.0 Quattro Avant 49K (Wife's car with warranty )

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