1955 Ford-O-Matic shifts hard? | Ford Thunderbird forum club group 1955-2005 models

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1955 Ford-O-Matic shifts hard?

zeroroadkill

zeroroadkill

BlackBird Fly
Gold Member
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131
Thunderbird Year
1955
1955 Ford-O-Matic shifts hard to third and to second if I put her in first. Had tranny serviced, no difference. Is this normal for the Ford-O-Matic to shift hard even under slow acceleration?

thanks

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zeroroadkill said:
1955 Ford-O-Matic shifts hard to third and to second if I put her in first. Had tranny serviced, no difference. Is this normal for the Ford-O-Matic to shift hard even under slow acceleration?

thanks
Click to expand...
No, it is not normal for the Ford-O-Matic transmission to shift hard. The engine communicates its load requirements to the transmission through the throttle control rod. Proper adjustment of both the throttle linkage and the control rod linkage are critical to transmission operation.

Attached is the procedure for performing the throttle linkage and throttle control rod linkage adjustments.

doug7740
1955 Thunderbird Blue
 

Attachments

doug7740 said:
No, it is not normal for the Ford-O-Matic transmission to shift hard. The engine communicates its load requirements to the transmission through the throttle control rod. Proper adjustment of both the throttle linkage and the control rod linkage are critical to transmission operation.

Attached is the procedure for performing the throttle linkage and throttle control rod linkage adjustments.

doug7740
1955 Thunderbird Blue
Click to expand...

Doug, what if you shift manually under a light acceleration from 2nd to 3rd and it shifts hard, will this adjustment fix that?
 
I can't say for sure if the throttle linkage and throttle control rod linkage adjustment will correct your hard shifting concern, but I would make sure the basic adjustments are correct before I went any deeper into the transmission.

doug7740
1955 Thunderbird Blue
 
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