ok traveling at interstate speeds and tranny shifts down to low gear scaring me to death. thought engine would drop. someone suggested the "kick down switch" under accelerator pedal was bad and to disconnect.. any ideas appreciated ...300sd

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1983 300 sd
1984 380 se
1999 nissan sentra
2000 nissan quest le

did you try disconnecting the kickdown switch?

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Paul
2004 E500 4matic; 72,000mi

Do a search, I remember this subject about a year ago, but don't remember the fix, although I recall it was serious. At least one person replaced the tranny.

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!