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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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23,870 Posts
Welcome to Allpar. I'm not finding any record of this TSB 21-23-95 on DealerConnect or Google. Being a 1995 bulletin, it would have to be early 1996 but I can't find it anywhere.
The valve body 4659879 supersedes to R4567993AC and one is shown on the part depts shelf at Glendale Motors in WV. The bracket 4669863 supersedes to 4669863AB and no dealers stock it any longer.
If the kickdown linkage is free and the return spring is there and the linkage is adusted correctly, then the problem may lie inside the transaxle. Specifically toasted clutches and seals. If the fluid and filter was very dirty, that 'dirt' may have been clutch material.


ROD ADJUSTMENT PROCEDURE
  1. Perform transaxle throttle pressure adjustment while engine is at normal operating temperature.
  2. Loosen adjustment swivel lock screw.
  3. To insure proper adjustment, swivel must be free to slide along flat end of throttle rod. Disassemble and clean or repair parts to assure free action, if necessary.
  4. Hold transaxle throttle lever firmly toward engine, against its internal stop. Tighten swivel lock screw to 11 N·m (100 in. lbs.)
  5. The adjustment is finished and linkage backlash was automatically removed by the preload spring.
  6. If lubrication is required see Group 0, Lubrication.
 

·
Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
Joined
·
23,870 Posts
That TSB probably doesn't apply to your vehicle, I was looking under 1996 minivan bulletins. Neon was a similar A-413 transaxle, the 3.0L minivan was an A-670.
You can try a valve body repair or replacement, but a road test with a transmission rebuilder may shed some more light on the next course of action to take. They would probably have to write up a repair order for their employee to take the vehicle for a drive with you on a public road. Ask for a diagnosis and estimate for now.
I still have my doubts that the valve body is the problem, but a road test with an expert may offer a more educated opinion.
 
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