I agree it's not a good idea. I have a long list of repairs for all my car's. The massive vac problems of the TD is somewhere on that list. Right now the '87 300d on jack stands in my garage for 3 weeks take the top of the list

__________________
08 R320 CDI current

Past
95 E420
87 300D Turbo 5spd
90 300TE
83 300SD
85 300TD
92 400E
85 190D