hmmm is that a brown line coming from the top of your VCV? (the white thing that also has the black line you're looking at) the brown lines goes to the ignition and back to the shut off valve. that probably shouldn't be coming from the top of the VCV because that device is meant to leak vacuum...

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1981 NA 300D 310k miles

Just went and checked it is a clear line with an Orange stripe. I think my Dad has a mighty vac if so I will start checking lines out.

Thanks for everyone's help.

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1983 300D Russett Brown, Euro Bumpers, Euro Headlights, Rear Headrests, lots of upgrades 256,000 (Sasha)

1980 300TD 200K Third row seat, original owner car with lots of documentation

We live in a world that goes faster every day and it seems there's a lack of time for each one of us