Differential
A/T Differential Component Location IndexA/T Differential Component Location Index:
Backlash Inspection
NOTE: The illustration shows the 4WD model; the 2WD is similar.
1. Install the drive shaft and the intermediate shaft into the differential assembly.
2. Secure the driveshaft (A) in a bench vise (B) with soft jaws (C). To prevent damage to the driveshaft, always use soft jaws or equivalent material between the driveshaft and a vise.
3. Place the intermediate shaft (D) on a V-block (E), then fix the intermediate shaft using a grip (F) or equivalent.
4. Measure the backlash of the final driven gear (G) with a dial indicator (H).
Standard: 1.1-1.7 mm (0.043-0.067 in.)
5. If the backlash is out of standard, replace the differential carrier.
Differential Carrier, Final Driven Gear, and Transfer Drive Gear Replacement
4WD
1. Remove the final driven gear (A) and the transfer drive gear (B) from the differential carrier (C).
2. Install the final driven gear and the transfer drive gear on the differential carrier in the direction shown.
3. Secure the final drive gear, the differential carrier, and the transfer drive gear with the bolts. Tighten the bolts to the specified torque in a crisscross pattern in at least two steps.
Differential Carrier and Final. Driven Gear Replacement
2WD
1. Remove the final driven gear (A) from the differential carrier (B).
NOTE: The final driven gear bolts have left-hand threads.
2. Install the final driven gear on the differential carrier in the direction shown.
3. Secure the final drive gear and the differential carrier with the bolts. Tighten the bolts to the specified torque in a crisscross pattern in two or more steps.
Carrier Bearing Replacement
Special Tools Required
Attachment, 40 x 50 mm 07LAD-PW50601
NOTE:
^ The bearing and the bearing outer race should be replaced as a set.
^ Inspect and adjust the carrier bearing preload whenever bearing is replaced.
^ Check the bearing for wear and rough movement. If the bearing is OK, removal is not necessary.
^ The illustration shows the 4WD model; the 2WD is similar.
1. Remove the final driven gear from the differential carrier.
NOTE: Final driven gear removal is not needed when replacing the carrier bearing on the opposite side of the final driven gear.
2. Place a stepped adapter (A) on the differential carrier (B), and set a commercially available puller (C) and the bearing separator (D) under the carrier bearing (E), then remove the carrier bearing.
3. Install a new carrier bearing using the attachment (40 x 50 mm) and a press. Press the bearing on securely until it bottoms so there is no clearance between the bearing and the differential carrier.
4. Install the final driven gear if the gear was removed.
Oil Seal Replacement
Special Tools Required
^ Driver 07749-0010000
^ Oil seal driver attachment 07947-SD90101
^ Oil seal driver attachment 07JAD-PH80101
1. Remove the oil seal from the transmission housing.
2. Remove the oil seal from the torque converter housing.
3. Install a new oil seal flush with the transmission housing using the driver and the oil seal driver attachment.
4. Install a new oil seal flush with the torque converter housing using the driver and the oil sea( driver attachment.
Carrier Bearing Outer Race Replacement
Special Tools Required
^ Attachment, 78 x 80 mm 07NAD-PX40100
^ Attachment, 72 x 75 mm 07746-0010600
^ Driver 07749-0010000
NOTE:
^ The bearing and the bearing outer race should be replaced as a set.
^ Replace the bearing with a new one whenever the outer race is replaced.
^ Do not use the thrust shim on the torque converter housing.
^ Adjust bearing preload after replacing the bearing and outer race.
^ Coat all parts with ATF during installation.
1. Remove the bearing outer race (A), the 76.2 mm spacer (B), and the 76 mm thrust shim (C) from the transmission housing (D) by heating the housing to about 212°F (100°C) with a heat gun (E). Do not heat the housing in excess of 212°F (100°C).
2. Install the 76 mm thrust shim (A), the 76.2 mm spacer (B), and a new bearing outer race (C) in the transmission housing (D).
3. Using the driver and the attachment (78 x 80 mm), drive the bearing outer race securely in the housing so there is no clearance between the outer race, the spacer, the shim, and the housing.
4. Remove the bearing outer race (A) and the 80 mm thrust washer (B) from the torque converter housing (C).
5. Install the 80 mm thrust washer and a new bearing outer race in the torque converter housing.
6. Drive the bearing outer race securely in the housing using the driver and the attachment (72 x 75 mm).
Carrier Bearing Preload Inspection
Special Tools Required
^ Attachment, 78 x 80 mm 07NAD-PX40100
^ Preload inspection tool 070AJ-0020101
^ Attachment, 72 x 75 mm 07746-0010600
^ Driver 07749-0010000
NOTE:
^ If the transmission housing, torque converter housing, differential carrier, carrier bearing and the outer race, or thrust shim were replaced, the bearing preload must be adjusted.
^ Replace the bearing with a new one whenever the outer race is replaced.
^ Do not use the thrust shim on the torque converter housing.
^ Coat all parts with ATF during installation.
1. Remove the bearing outer race (A), the 76.2 mm spacer (B), and the 76 mm thrust shim (C) from the transmission housing (D) by heating the housing to about 212°F (100°C) with a heat gun (E). Do not heat the housing in excess of 212°F (100°C).
2. Install the 76 mm thrust shim (A) in the transmission housing (B). If you replace the 76 mm thrust shim with a new one, use the same thickness shim as the old one.
3. Install the 76.2 mm spacer (C) and the bearing outer race (D) in the transmission housing.
4. Drive the bearing outer race securely in the housing using the driver and the attachment (78 x 80 mm) so there is no clearance between the outer race, the spacer, the shim, and the housing.
5. Install the differential assembly (A) in the torque converter housing (B).
6. Install the three dowel pins (C) and a new gasket (D) on the torque converter housing.
7. Align the spring pin (E) of the control shaft (F) with the transmission housing groove (G) by turning the control shaft. Do not squeeze the end of the control shaft tips together when turning the shaft.
8. Place the transmission housing (H) on the torque converter housing.
9. Install the transmission housing mounting bolts (20 bolts) along with the transmission hanger (I) and the harness clamp brackets (J). Tighten the mounting bolts to 44 N-m (4.5 kgf-m, 33 lbf-ft) in two or more steps in a crisscross pattern.
10. Rotate the differential assembly in both directions to seat the bearings.
11. Measure the starting torque of the differential assembly with the special tool, a torque wrench (A), and a socket (B). Measure the starting torque at normal room temperature in both directions.
12. If the starting torque is out of the standard, remove the thrust shim and select the thrust shim from table below. Install a new thrust shim and recheck. To increase the starting torque, increase the thickness of the thrust shim. To decrease the starting torque, decrease the thickness of the shim. Changing the shim to the next size will increase or decrease starting torque about 0.3-0.4 N-m (3-4 kgf-cm, 2-3 lbf-in.).
