Part 4

A760F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION UNIT: REASSEMBLY - Continued

41. INSTALL FORWARD MULTIPLE DISC CLUTCH DISC SET





(a) Install the 5 plates, 5 discs and flange to the input shaft.

Install in order:

*1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *3

Text in Illustration





NOTICE:
Before assembling new discs, soak them in ATF for at least 2 hours.

(b) Temporarily install the snap ring.





(c) Using a dial indicator, measure the moving distance (A) of the clutch flange at both ends across the diameter while applying compressed air (196 kPa, 2.0 kgf/cm2, 28 psi) into the oil hole as shown in the illustration.





Text in Illustration





Standard moving distance (A):

0.7 to 1.0 mm (0.0276 to 0.0394 in.)

If the moving distance (A) is not as specified, select a flange of an appropriate thickness from the table below so that the measured value is within the standard range.

Flange Thickness:





(d) Temporarily remove the snap ring, replace the flange with the selected flange and reinstall the snap ring.

42. INSTALL INPUT SHAFT OIL SEAL RING

(a) Coat 4 new oil seal rings with ATF.

(b) Overlap the seal ring ends in the axial direction.





Text in Illustration





NOTICE:
* Overlapping the seal ring ends in the axial direction prevents damage to the seal ring.
* Do not overlap the seal ring ends in the radial direction, as this may damage the seal ring.

(c) Squeeze the ends of the 4 oil seal rings together, and then install them to the input shaft groove.





Text in Illustration





NOTICE:
Do not excessively widen the rings.

HINT
After installing the oil seal rings, check that they rotate smoothly.

43. INSTALL INPUT SHAFT ASSEMBLY





(a) Install the input shaft to the clutch drum.

44. INSTALL FORWARD CLUTCH HUB SUB-ASSEMBLY





(a) Install the No. 3 clutch hub thrust washer, forward clutch hub and thrust needle roller bearing to the clutch drum.

NOTICE:
Before installing the forward clutch hub, apply ATF to the forward clutch hub bush sliding surfaces. After the installation, check that the forward clutch hub rotates smoothly.

HINT
Use a small amount of MP grease to make the thrust needle roller bearing and thrust washer stay securely in place.

Bearing Diameter:





45. INSTALL REVERSE CLUTCH HUB SUB-ASSEMBLY





(a) Install the reverse clutch hub to the clutch drum.

NOTICE:
Before installing the reverse clutch hub, apply ATF to the reverse clutch hub bush sliding surfaces. After the installation, check that the reverse clutch rotates smoothly.

46. INSTALL REAR CLUTCH DISC SET





(a) Install the flange, 5 discs, 4 plates, selected flange, cushion plate and reverse clutch reaction sleeve to the clutch drum.

Install in order:

*1 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *4 - *5

Text in Illustration





(b) Using a screwdriver, install the snap ring to the clutch drum.

47. INSTALL NO. 2 1-WAY CLUTCH ASSEMBLY





(a) Install the clutch drum thrust washer to the clutch drum.

HINT
Use a small amount of MP grease to make the thrust washer stay securely in place.

(b) Install the 1-way clutch to the clutch drum.

48. INSPECT NO. 2 1-WAY CLUTCH ASSEMBLY Transmission Unit

49. INSTALL CLUTCH DRUM AND INPUT SHAFT ASSEMBLY





(a) Install the 2 thrust needle roller bearings.

HINT
Use a small amount of MP grease to make the thrust needle roller bearings stay securely in place.

Bearing Diameter:





Text in Illustration





(b) Coat the clutch drum thrust washer with petroleum jelly and install it to the clutch drum and input shaft assembly.

(c) Install the clutch drum and input shaft assembly to the transmission case.





50. INSTALL OIL PUMP ASSEMBLY





(a) Coat a new O-ring with ATF and install it to the oil pump.

(b) Install the 2 thrust bearing races to the front oil pump.

Thrust Bearing Race Diameter:





(c) Pass the input shaft through the center hole of the oil pump and align the bolt holes of the oil pump assembly with the transmission case.





(d) Hold the input shaft and lightly press the oil pump body to slide the oil seal rings into the overdrive direct clutch drum.

(e) Apply seal packing to the flanges of the bolts.

Seal packing:

Toyota Genuine Seal Packing 1281,

Three Bond 1281 or equivalent

(f) Install the oil pump with the 10 bolts.

Torque : 21 Nm (215 kgf-cm, 16 ft-lbf)

NOTICE:
During installation, do not allow oil to contact the bolts or the surface of the oil pump body.

51. INSPECT INDIVIDUAL PISTON OPERATION Transmission Unit