transmission not shifting

1966 FORD THUNDERBIRD
148,000 MILES
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MRWIZ
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  • 2 POSTS
1st presented; 65 mph in d2 went to neutral . now; shifts 1-2-3 in d2 and 2-3 in d1 cold only hot; no 1-2 shift in d2 no 2-3 shift in d1 390 engine c-6 trans shift and downshift adjusted per spec vaccume to modulator. approx. 8k miles on re-build
Apr 13, 2013 at 12:31 PM
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HMAC300
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  • 48,601 POSTS
you need to redo this question as it's hard to understand, if this is a C6 it should only have 1 in d1 and shift once in d2 and twice in d3 as it's only a 3speed. you could have an accumulator problem or a governor problem or it may be a loose valvebody, etc this should be guaranteed for 12k miles so take it back to where it was fixed. check your fluid as well for being full
Apr 14, 2013 at 5:51 AM