Hi all. My 84 300TD is acting up again. The transmission (automatic) won't shift, either up or down. Well, it did upshift sluggishly after redlining it for a bit, but I didn't want to do that more than once. And it wouldn't downshift afterward. Am I looking at expensive tranny repairs? Any ideas I could try before that? Thanks.

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1984 300TD Turbo 156Kmi
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