Good evening,
The answer is yes, the frame must come sown to remove the transmission.
https://www.2carpros.com/articles/transmission-replacement-removal-manual
I attached the procedure below with some pictures for you.
Roy
Removal
1. Before disconnecting power, make sure you have the anti-theft code for the radio, then write down the frequencies for the radio's preset stations.
2. Disconnect the battery negative terminal, then remove the positive terminal.
3. Remove the battery hold-down bracket, then remove the battery and battery tray.
4. Remove the battery cable clamps from the battery base.
5. Loosen the mounting bolts securing the battery base bracket, then remove the battery base bracket and battery base.
6. Remove the intake air duct and air cleaner housing assembly.
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7. Raise the vehicle, and make sure it is securely supported. Remove the drain plug, and drain the Automatic Transmission Fluid (ATF). Reinstall the drain plug with a new sealing washer.
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8. Remove the ATF cooler hose (A) from the clamp (B) on the starter.
9. Remove the ATF cooler hoses (A) from the ATF cooler lines (C). Turn the ends of the ATF cooler hoses up to prevent ATF from flowing out, then plug the ATF cooler hoses and lines.
NOTE: Check for any signs of leakage at the hose joints.
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10. Remove the starter cables (A) from the starter (B) and clamp bracket (C), then remove the starter.
11. Remove the transmission ground terminal (D).
12. Disconnect the shift solenoid valve B connector (E), and C connector (F), then remove the harness clamp from the clamp bracket.
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13. Disconnect the connectors from the 3rd clutch pressure switch (A), mainshaft speed sensor (B), and A/T clutch pressure control solenoid valves A and B (C), then remove the harness clamps from the clamp brackets.
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14. Disconnect the connector from the torque converter clutch solenoid valve/shift solenoid valve A assembly (A), then remove the connector from harness cover (B).
15. Remove the two bolts securing the harness cover and the ignition coil bracket, and remove the ignition coil (C). ('98-99 models)
16. Push the harness cover rearward to remove from the transmission hanger (D).
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17. Disconnect the connectors from the countershaft speed sensor (A), and 2nd clutch pressure switch (B).
18. Remove the transmission range switch connector (C) from the connector bracket (D), then disconnect it.
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19. Remove the nut from the front mount.
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20. Lift and support the engine/transmission assembly with an engine hanger (P/N AAR-T-1256, available through the American Honda Tool and Equipment program, or equivalent).
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21. Remove the splash shield.
22. Remove the cotter pins (A) and castle nuts (hex nuts) (B), and remove the damper forks (C), then separate the ball joints from the lower arms (D).
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23. Remove the bolts securing the radius rods (E), then separate the radius rods from the lower arms (D).
24. Pry the driveshafts out of the differential and the intermediate shaft.
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25. Make reference marks (A) across both the front beam (B) and the rear beam (C).
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26. Disconnect the vacuum tube (A) on the front beam (B), and unclamp the power steering fluid pipe (C) from the clamps on the front beam.
27. Remove the nuts securing the transmission lower mounts, then remove the front beam (B).
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28. Remove the transmission lower rear mount (A) from the transmission.
29. Pull on the inboard joints to remove the left driveshaft from the differential and to remove the right driveshaft from the intermediate shaft.
30. Move the left driveshaft to the front side. Coat all precision finished surfaces with clean engine oil, then tie the plastic bags (B) over the driveshaft ends.
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31. Remove the intermediate shaft.
32. Coat all precision finished surfaces with clean engine oil, then tie the plastic bags over the both ends of intermediate shaft.
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33. Remove the bolts securing shift cable holder (A), then remove shift cable cover (B).
NOTE: To prevent damage to the control lever joint, remove the bolts securing the holder before removing the bolts securing the cover.
34. Remove the lock bolt (C) securing the control lever (D), then remove the shift cable (E) with the control lever. Do not bend the shift cable excessively.
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35. Install a 6 x 1.0 x 14 mm bolt (A) and nut (B) on the shift cable cover (C), then reinstall the shift cable cover to the torque converter housing. (The torque converter may stay on the engine, and the bolt head will support the torque converter, when the transmission is removed.)
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36. Remove the torque converter cover (A), then remove the eight drive plate bolts (B) one at a time while rotating the crankshaft pulley.
37. Remove the engine stiffener bolts (C).
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38. Remove the front mount bracket.
39. Place a transmission jack under the transmission.
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40. Remove the transmission housing mounting bolts.
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41. Remove the transmission housing mounting bolts (A) and connector bracket bolt (B).
42. Pull the transmission away from the engine until it clears the dowel pins, then lower it on the transmission jack.
NOTE: If the torque converter is stuck to the drive plate, reach through the starter opening, and pull it toward the transmission housing.
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43. Remove the shift cable cover, then remove the torque converter assembly from the torque converter housing.
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44. Remove the transmission lower front mount.
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45. Inspect the drive plate, and replace it if it's damaged.
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46. Remove the 6 x 1.0 x 14 mm bolt (A) and nut (B) from the shift cable cover (C).
Images (Click to make bigger)
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Friday, January 15th, 2021 AT 3:11 PM