There is a temperature controlled (60C switch) that softens the tranny shifts with a cold transmission to prevent overly harsh shifting. Drive gently til it warms up and you will be fine -- the alternative is severe hard shifting cold.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!