Operation CHARM: Car repair manuals for everyone.

2. Transmission Housing Disassemble & Service






Housing and Shaft Assembly Removal

Special Tools Required
- Housing puller 07HAC-PK40102

1. Remove the ATF feed pipe (A) from the idler gear shaft, and the ATF lubrication pipe (B) from the transmission housing.
2. Remove the shift solenoid valve cover (C), dowel pins (D), and gasket (E).
3. Disconnect the connectors from the shift solenoid valves, and remove the solenoid harness connector (F).
4. Remove the mainshaft speed sensor (G) and countershaft speed sensor (H).
5. Remove the transmission housing mounting bolts (19 bolts) (I) and transmission hanger (J).





6. Align the spring pin (A) on the control shaft (B) with the transmission housing groove (C) by turning the control shaft with the control lever.

NOTE: Do not squeeze the end of the control shaft tips together when turning the shaft.

7. While expanding the snap ring of the secondary shaft bearing using the snap ring pliers, lift the transmission housing. Release the snap ring pliers and remove the transmission housing.
8. Remove the countershaft shaft reverse gear and needle bearing.
9. Remove the lock bolt securing the shift fork, then remove the shift fork with the reverse selector together.
10. Remove the control lever from the control shaft.





11. Unlock the detent spring (A) from the detent arm (B).





12. Remove the control shaft (A) from the torque converter housing.
13. Turn the detent arm (B) away from the countershaft (C).





14. Remove the mainshaft sub-assembly (A), countershaft sub-assembly (B) and secondary shaft sub-assembly (C) together. Do not bump the countershaft on the baffle plate (D).
15. Remove the baffle plate.
16. Remove the differential assembly.

Bearing Removal

Special Tools Required
- Attachment, 78 x 90 mm 07GAD-SD40101
- Driver 07749-0010000
- Attachment, 42 x 47 mm 07746-0010300

1. Remove the idler gear shaft when removing the mainshaft bearing and idler gear shaft bearing.

NOTE: If you are only removing the countershaft bearing, idler gear shaft removal is not needed.





2. To remove the mainshaft bearing (A) and countershaft bearing (B) from the transmission housing, expand each snap ring with the snap ring pliers, then push the bearing out.

NOTE: Do not remove the snap ring unless it's necessary to clean the grooves in the housing.





3. Expand the snap ring of the idler gear shaft bearing with the snap ring pliers, then push the bearing out.

Bearing Installation

Special Tools Required
- Attachment, 78 x 90 mm 07GAD-SD40101
- Driver 07749-0010000
- Attachment, 42 x 47 mm 07746-0010300

1. Install the bearings in the direction shown.





2. Expand each snap ring with the snap ring pliers, and install the mainshaft bearing (A) and countershaft bearing (B) part-way into the housing.
3. Release the pliers, then push the bearing down into the housing until the snap ring snaps in place around it.





4. Expand the snap ring of the idler gear shaft (A) with the snap ring pliers, and install the bearing partway into the housing.
5. Release the pliers, then push the bearing down into the housing until the snap ring snaps in place around it.





6. After installing the bearings verify that the snap rings (A) are seated in the bearing and housing grooves, and that the ring end gaps (B) are correct.
7. Install the idler shaft.

Reverse Idler Gear Removal and Installation
Removal





1. Remove the bolt (A) securing the reverse idler gear shaft holder.
2. Install a 5 x 0.8 mm bolt (B) in the reverse idler gear shaft, and pull it to remove the reverse idler gear shaft (C) and gear shaft holder (D) together.





3. Remove the reverse idler gear.

Installation
1. Install the reverse idler gear in the transmission housing.





2. Lightly coat the reverse idler gear shaft (A), needle bearing (B), and new O-rings (C) with lithium grease.
3. Assemble the new O-rings and needle bearing on the reverse idler gear shaft, then install the reverse idler gear shaft in the reverse idler gear shaft holder (D). Align the D-shaped cut out (E) of the shaft with the D-shaped area (F) of the holder.





4. Install the reverse idler gear shaft/holder assembly on the transmission housing.