AUTOMATIC TRANSMISSION (4 A/T) 7B-3
GENERAL DESCRIPTION
This automatic transmission is a full automatic type with 3-speed plus overdrive (O/D).
The torque converter is a 3-element, 1-step and 2-phase type equipped with lock-up mechanism. The gear shift
device consists of 2 sets of planetary gear units, sets of 3 disc type clutches, 3sets of disc type brakes and one-
way clutch. The gear shift is done by selecting one of 6 positions (“P”, “R”, “N”, “D”, “2” and “L”) by means of the
select lever installed on the floor. On the shift knob, there is an overdrive (O/D) cut switch which allows shift-up
to the overdrive mode and shift-down from the overdrive mode.
1. Final gear 6. Overdrive brake (B0) 11. Oil strainer 16. Front clutch (C2)
2. Differential gear assembly 7. Direct clutch (C0) 12. Counter drive gear (Reduction gear) 17. Reverse brake (B2)
3. Parking gear 8. Rear planetary gear 13. Oil pump 18. Rear clutch (C1)
4. Counter driven gear (Reduction gear) 9. Front planetary gear 14. Input shaft 19. Differential drive pinion shaft
5. 1st and 2nd brake (B1) 10. Valve body assembly 15. Torque converter
REAR DIFFERENTIAL 7F-7
REMOUNTING
Reverse removal procedure for installation, noting the following.
Rear Differential
Clean mating surfaces of axle housing (1) and differential
carrier and apply sealant to housing side.
“A” : Sealant 9900-31110
Install differential carrier assembly to axle housing and
tighten carrier bolts to specified torque.
Tightening torque
Differential carrier bolts
(a) : 23 N·m (2.3 kg-m, 17.0 lb-ft)
Install propeller shaft to joint flange aligning match marks (2)
and tighten propeller shaft bolts to specified torque.
Tightening torque
Propeller shaft bolts
(b) : 23 N·m (2.3 kg-m, 17.0 lb-ft)
Rear Axle Shaft
For installation of rear axle shaft, refer to “REAR AXLE SHAFT
AND WHEEL BEARING INSTALLATION” in Section 3E.
Rear Brake Drum
For installation of rear brake drum, refer to “BRAKE DRUM
INSTALLATION” in Section 5.
Differential Gear Oil
Refill differential housing with new specified oil. Refer to “OIL
CHANGE” in this section for refill.
Brake Circuit Air Purging
Make sure to purge air out of brake circuit. Refer to “BLEEDING
BRAKES” in Section 5.
Then check to ensure that joint seam of pipe is free from oil leak.
UNIT DISASSEMBLY
Remove bolts (1) and separate viscous coupling case from differ-
ential carrier.1
