Toyota Venza: Disassembly

Toyota Venza Service Manual / Axle And Differential / Rear Differential Carrier Assembly / Disassembly

DISASSEMBLY

CAUTION / NOTICE / HINT

HINT:

Use an overhaul stand as necessary.

PROCEDURE

1. REMOVE REAR DIFFERENTIAL FILLER PLUG

(a) Remove the rear differential filler plug and gasket.

2. INSPECT RUNOUT OF ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY

(a) Install a dial indicator and magnetic base perpendicular to the inner side of the electro magnetic control coupling sub-assembly as shown in the illustration.

(b) Using SST, rotate the electro magnetic control coupling sub-assembly forward and backward, and measure the vertical runout.

SST: 09564-32011

Maximum Runout:

0.06 mm (0.00236 in.)

If the runout is greater than the maximum value, replace the electro magnetic control coupling sub-assembly.

(c) Install a dial indicator and magnetic base perpendicular to the electro magnetic control coupling sub-assembly as shown in the illustration.

(d) Using SST, rotate the electro magnetic control coupling sub-assembly forward and backward, and measure the lateral runout.

SST: 09564-32011

Maximum Runout:

0.07 mm (0.00276 in.)

If the runout is greater than the maximum value, replace the electro magnetic control coupling sub-assembly.

3. REMOVE REAR DIFFERENTIAL CARRIER COVER BREATHER PLUG

(a) Using a screwdriver, remove the rear differential carrier cover breather plug.

4. REMOVE ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY

(a) Remove the 4 bolts.

(b) Using a plastic hammer, lightly tap the electro magnetic control coupling sub-assembly to remove it from the rear differential carrier assembly.

NOTICE:

Do not damage the contact surface.

5. REMOVE STUD BOLT

(a) Install 2 service nuts to the stud bolt.

Text in Illustration

*a	Upper Nut
*b	Lower Nut
*c	Turn
*d	Hold

Recommended service nut:

Thread Diameter

8.0 mm (0.315 in.)

Thread Pitch

1.25 mm (0.0492 in.)

(b) Lock the upper nut using the lower nut.

NOTICE:

Prevent foreign matter from entering the electro magnetic control coupling sub-assembly.

HINT:

If the threads of the electro magnetic control coupling sub-assembly are damaged while removing the stud bolt, replace the electro magnetic control coupling sub-assembly with a new one.

6. REMOVE REAR DIFFERENTIAL DUST DEFLECTOR

(a) Put matchmarks on the rear differential dust deflector and electro magnetic control coupling sub-assembly.

(b) Using a screwdriver, remove the rear differential dust deflector.

Text in Illustration

*a	Protective Tape
*b	Matchmark

NOTICE:

Pry around the circumference of the rear differential dust deflector uniformly to prevent deformation.
Do not damage the end surface of the electro magnetic control coupling sub-assembly.

HINT:

Tape the screwdriver tip before use.
If the end surface of the electro magnetic control coupling sub-assembly is damaged while removing the rear differential dust deflector, replace the electro magnetic control coupling sub-assembly with a new one.

7. REMOVE CONNECTOR CLAMP BRACKET

(a) Disengage the claw to separate the electro magnetic control coupling wire harness connector.

NOTICE:

Do not damage the electro magnetic control coupling wire harness.

(b) Remove the bolt and connector clamp bracket.

8. REMOVE TRANSMISSION COUPLING CONICAL SPRING WASHER

(a) Remove the transmission coupling conical spring washer from the rear differential carrier assembly.

Text in Illustration

*1	Transmission Coupling Conical Spring Washer

9. REMOVE TRANSMISSION COUPLING SPACER

(a) Remove the transmission coupling spacer from the rear differential carrier assembly.

Text in Illustration

*1	Transmission Coupling Spacer

10. INSPECT DIFFERENTIAL RING GEAR BACKLASH

(a) Insert a dial indicator and magnetic base through the rear differential filler plug hole, and set it perpendicular to a differential ring gear tooth tip.

(b) Using SST, hold the differential drive pinion in place.

SST: 09556-16011

SST: 09564-32011

Backlash:

0.13 to 0.25 mm (0.00512 to 0.00984 in.)

If the backlash is not within the specification, adjust the side bearing preload or repair as necessary.

HINT:

Measure at 3 or more areas on the circumference of the differential ring gear.

11. INSPECT DIFFERENTIAL DRIVE PINION PRELOAD

(a) Using SST and a torque wrench, inspect the differential drive pinion preload (starting torque) of the backlash between the differential drive pinion and differential ring gear.

SST: 09556-16011

Standard Drive Pinion Preload:

1.51 to 2.52 N*m (16 to 25 kgf*cm, 14 to 22 in.*lbf)

If the differential drive pinion preload is not within the specified range, adjust the differential drive pinion preload or repair as necessary.

HINT:

For a more accurate measurement, rotate the rear differential case bearing forward and backward before measuring.

12. INSPECT TOTAL PRELOAD

(a) Using SST and a torque wrench, inspect the total preload (starting torque) with the teeth of the differential drive pinion and differential ring gear in contact.

SST: 09556-16011

Standard Total Preload:

2.80 to 5.34 N*m (29 to 54 kgf*cm, 25 to 47 in.*lbf)

If the total preload is not within the specified range, adjust the total preload or repair as necessary.

HINT:

For a more accurate measurement, rotate the rear differential case bearing forward and backward before measuring.

13. REMOVE REAR DIFFERENTIAL SIDE GEAR SHAFT OIL SEAL

(a) Using SST, remove the 2 rear differential side gear shaft oil seals from the rear differential carrier assembly.

SST: 09308-00010

14. REMOVE DIAPHRAGM OIL SEAL

(a) Using SST, remove the diaphragm oil seal from the rear differential carrier assembly.

SST: 09308-00010

Text in Illustration

*1	Diaphragm Oil Seal

15. REMOVE REAR DRIVE PINION NUT

(a) Using SST and a hammer, release the staked part of the rear drive pinion nut.

SST: 09930-00010

Text in Illustration

*1	Rear Drive Pinion Nut

NOTICE:

Use SST with the tapered part facing against the shaft.
Do not modify the SST tip with a grinder or equivalent.
Loosen the staked part of the rear drive pinion nut completely, otherwise the threads of the differential drive pinion may be damaged.

(b) Using SST, hold the differential drive pinion in place and remove the rear drive pinion nut from the differential drive pinion.

SST: 09556-16011

SST: 09564-16020

Text in Illustration

*a	Hold
*b	Turn

16. REMOVE REAR DRIVE PINION FRONT TAPERED ROLLER BEARING

(a) Using SST, remove the rear drive pinion front tapered roller bearing (inner race) from the differential drive pinion.

SST: 09556-40010

Text in Illustration

*1	Rear Drive Pinion Front Tapered Roller Bearing (Inner Race)
*a	Hold
*b	Turn

17. REMOVE DIFFERENTIAL SIDE BEARING RETAINER

(a) Remove the 10 bolts from the rear differential carrier.

(b) Using a brass bar and a hammer, disengage the 2 straight pins and remove the differential side bearing retainer from the rear differential carrier.

NOTICE:

Set the brass bar on the ribbed part of the differential side bearing retainer.
Do not damage the contact surface.

18. REMOVE REAR DIFFERENTIAL CASE ASSEMBLY

(a) Remove the rear differential case assembly from the rear differential carrier.

19. REMOVE REAR DIFFERENTIAL BREATHER PLUG OIL DEFLECTOR

(a) Remove the 2 bolts and rear differential breather plug oil deflector from the rear differential carrier.

20. REMOVE DIFFERENTIAL DRIVE PINION

(a) Remove the differential drive pinion from the rear differential carrier.

21. REMOVE REAR DIFFERENTIAL DRIVE PINION OIL SLINGER

(a) Remove the rear differential drive pinion oil slinger from the differential drive pinion.

22. REMOVE REAR DIFFERENTIAL DRIVE PINION BEARING SPACER

(a) Remove the rear differential drive pinion bearing spacer from the differential drive pinion.

23. REMOVE REAR DRIVE PINION REAR TAPERED ROLLER BEARING

(a) Using SST and a press, press out the rear drive pinion rear tapered roller bearing (inner race) from the differential drive pinion.

SST: 09950-00020

NOTICE:

Do not drop the differential drive pinion.
If the differential drive pinion or differential ring gear is damaged, replace them both.

(b) Remove the rear differential drive pinion plate washer.

24. REMOVE REAR DRIVE PINION FRONT TAPERED ROLLER BEARING

(a) Using SST, remove the rear drive pinion front tapered roller bearing (outer race) from the rear differential carrier.

SST: 09387-00041

09387-01030

09387-01040

SST: 09387-02020

Text in Illustration

*1	Rear Drive Pinion Front Tapered Roller Bearing (Outer Race)
*a	Hold
*b	Turn

25. REMOVE REAR DRIVE PINION REAR TAPERED ROLLER BEARING

(a) Using a brass bar and a hammer, lightly and uniformly tap out the rear drive pinion rear tapered roller bearing (outer race) from the rear differential carrier.

NOTICE:

Set the brass bar on the notch.

26. REMOVE REAR DIFFERENTIAL CASE BEARING (for LH Side)

(a) Using SST and a press, remove the rear differential case bearing (LH side outer race) and rear differential side gear shaft plate washer from the differential side bearing retainer.

SST: 09950-60010

09951-00540

SST: 09950-70010

09951-07100

Text in Illustration

*1	Rear Differential Case Bearing (Outer Race)
*2	Rear Differential Side Gear Shaft Plate Washer

27. REMOVE REAR DIFFERENTIAL CASE BEARING (for RH Side)

(a) Using SST and a press, remove the rear differential case bearing (RH side outer race) and rear differential side gear shaft plate washer from the rear differential carrier.

SST: 09950-60010

09951-00590

SST: 09950-70010

09951-07100

Text in Illustration

*1	Rear Differential Case Bearing (Outer Race)
*2	Rear Differential Side Gear Shaft Plate Washer

28. REMOVE STRAIGHT PIN

(a) Remove the 4 straight pins from the rear differential carrier.

29. REMOVE REAR DIFFERENTIAL CASE BEARING (for LH Side)

HINT:

Perform this step only when replacing the rear differential case bearing or rear differential case sub-assembly.

(a) Using SST, remove the rear differential case bearing (LH side inner race) from the rear differential case sub-assembly.

SST: 09950-40011

09951-04020

09952-04010

09953-04020

09954-04010

09955-04011

09957-04010

09958-04011

SST: 09950-60010

09951-00340

Text in Illustration

*1	Rear Differential Case Bearing (LH Side Inner Race)
*a	Hold
*b	Turn

NOTICE:

Before using the SST center bolt (09953-04020), apply grease to its threads and tip.

HINT:

If the race remains on the rear differential case sub-assembly, repeat the step above to remove the race.
If the rear differential case bearing (LH side inner race) is deformed, replace it with a new one.

30. REMOVE REAR DIFFERENTIAL CASE BEARING (for RH Side)

HINT:

Perform this step only when replacing the rear differential case bearing or rear differential case sub-assembly.

(a) Using SST, remove the rear differential case bearing (RH side inner race) from the rear differential case sub-assembly.

SST: 09950-40011

09951-04020

09952-04010

09953-04020

09954-04010

09955-04061

09957-04010

09958-04011

SST: 09950-60010

09951-00370

Text in Illustration

*1	Rear Differential Case Bearing (RH Side Inner Race)
*a	Hold
*b	Turn

NOTICE:

Before using the SST center bolt (09953-04020), apply grease to its threads and tip.

HINT:

If the race remains on the rear differential case sub-assembly, repeat the step above to remove the race.
If the rear differential case bearing (RH side inner race) is deformed, replace it with a new one.

31. REMOVE DIFFERENTIAL RING GEAR

(a) Secure the rear differential case sub-assembly in a vise between aluminum plates.

NOTICE:

Do not overtighten the vise.

(b) Put matchmarks on the rear differential case sub-assembly and differential ring gear.

Text in Illustration

Matchmark

(d) Using a plastic hammer, lightly and uniformly tap the outer circumference of the differential ring gear to remove it from the rear differential case sub-assembly.

NOTICE:

Do not drop the differential ring gear.
If the differential drive pinion or differential ring gear is damaged, replace them both.

HINT:

If it is difficult to remove, tap the outer circumference of the differential ring gear using a brass bar and a hammer.

32. INSPECT DIFFERENTIAL PINION AND SIDE GEAR

(a) Check the differential pinion gears and differential side gears for wear.

If the differential pinion gears and differential side gears are damaged, replace the rear differential case sub-assembly.

33. INSPECT DIFFERENTIAL CASE

(a) Check the differential case for cracks or damage.

If the differential case is damaged, replace the rear differential case sub-assembly.

Removal

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Reassembly

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