MANUAL TRANSMISSION AND DIFFERENTIAL(5MT) > Drive Pinion Shaft Assembly

ASSEMBLY

1. Install the sleeve and gear & hub assembly by matching alignment marks.

NOTE:

After installation, make sure there is no significant gap at both sides of the ball detent.

(A)

Ball detent

(B)

1st-2nd synchronizer hub

(C)

Reverse driven gear

(D)

There is no significant gap here.

NOTE:

Use the new gear & hub assembly, if replacing the gear or hub.

(A)

1st gear side

(B)

2nd gear side

(C)

Flush surface

(D)

Stepped surface

2. Install the washer, snap ring (outer) and sub gear onto the 1st driven gear.

3. Install the 1st driven gear, inner baulk ring, synchro cone, outer baulk ring, gear & hub assembly onto driven shaft.

(A)

1st driven gear

(B)

Synchro cone

(C)

Inner baulk ring

(D)

Outer baulk ring

NOTE:

Take care to install the gear & hub assembly in proper direction.

Align the baulk ring and gear & hub assembly with the key groove.

4. Install the 2nd driven gear bushing onto the driven shaft using ST1, ST2 and a press.

CAUTION:

Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).

NOTE:

Attach a cloth to the end of the driven shaft to prevent damage.

When press fitting, align the oil holes of the shaft and bushing

ST1    499277200 INSTALLER
ST2    499587000 INSTALLER

5. Install the 2nd driven gear, inner baulk ring, synchro cone and outer baulk ring, and insert them onto driven shaft.

(A)

2nd driven gear

(B)

Synchro cone

(C)

Inner baulk ring

(D)

Outer baulk ring

6. After installing key on driven shaft, install the 3rd-4th driven gear using an ST and a press.

CAUTION:

Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).

NOTE:

Align the groove in baulk ring with the insert.

ST    499277200 INSTALLER

7. Install a set of roller bearings onto the driven shaft using the ST and a press.

CAUTION:

Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).

ST    499277200 INSTALLER

8. Position the woodruff key in groove of the rear of driven shaft. Install the 5th driven gear onto driven shaft using ST and a press.

CAUTION:

Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).

ST    499277200 INSTALLER

9. Install the lock washer. Install the lock nut and tighten to the specified torque using the ST.

ST    499987300 SOCKET WRENCH (50)

Tightening torque:

260 N·m (26.5 kgf-m, 191.8 ft-lb)

NOTE:

Crimp the locknut in 2 locations.

Using a spring scale, check that starting torque of the roller bearing is 0.1 to 1.5 N (0.01 to 0.15 kgf, 0.02 to 0.34 lbf).

10. Install the roller bearing onto the drive pinion shaft.

NOTE:

When installing the roller bearing, note its directions (front and rear) because the knock pin hole of outer race is offset.

(A)

Roller bearing

(B)

Knock pin hole

11. Install the washer using ST1, ST2 and a press.

CAUTION:

Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).

ST1    499277100 BUSHING 1-2 INSTALLER
ST2    499277200 INSTALLER

(A)

Washer

12. Install the thrust bearing and needle bearing. Install the driven shaft assembly.

13. Install the drive pinion collar, needle bearing, adjusting washer No. 2, thrust bearing, adjusting washer No. 1 and differential bevel gear sleeve in this order.

NOTE:

Be careful to install the spacer in the proper direction.

(A)

Driven shaft

(B)

Drive pinion shaft

(C)

Drive pinion collar

(D)

Needle bearing (25 × 30 × 20)

(E)

Adjusting washer No. 2 (25 × 36 × 4)

(F)

Thrust bearing (25 × 37.5 × 3)

(G)

Adjusting washer No. 1 (25 × 36 × t)

(H)

Differential bevel gear sleeve

14. Adjust the thrust bearing preload.