Do you have to pull the whole ignition switch assembly to replace a bad /leaking /oil soaked vacuum valve in the ignition switch. Any detailed guidelines for doing that. Did a search and didnt find much detail. Just the usual references to the switch getting oil in it from a bad cuf off value on the IP Thanks Russ

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1978 300 D 258,000 + miles sold 1995
1983 300 D Turbo 152,000 miles
Thank God for the man who put the white lines on the highway