Toyota RAV4 manuals

Toyota Sienna Service Manual: Inspection

1. INSPECT MULTIPLE DISC CLUTCH HUB

INSPECT MULTIPLE DISC CLUTCH HUB

(a) Using a dial indicator, measure the inside diameter of the forward clutch hub bushing

Standard inside diameter: 23.025 to 23.046 mm (0.9065 to 0.9073 in.) Maximum inside diameter: 23.09 mm (0.9091 in.)

NOTICE: Check the contact surface of the bushing in the direct clutch shaft. If any scratch or discoloration is found, replace the direct clutch sub-assembly with a new one.

If the inside diameter is greater than the maximum, replace the forward clutch hub with a new one.

2. INSPECT UNDERDRIVE CLUTCH DISC NO.2

INSPECT UNDERDRIVE CLUTCH DISC NO.2

(a) Check if the sliding surfaces of the disc, plate and flange are worn or burnt.

If necessary, replace them.

NOTICE:
  • If the lining of the disc comes off or discolors, or if a part of the groove is worn, replace all discs.
  • Before installing new discs, immerse them in ATF for at least 15 minutes.

3. INSPECT OVERDRIVE DIRECT CLUTCH DRUM SUBASSEMBLY

INSPECT OVERDRIVE DIRECT CLUTCH DRUM SUBASSEMBLY

(a) Using a dial indicator, measure the inside diameter of the forward clutch hub bushing.

Standard inside diameter: 23.025 to 23.046 mm (0.9065 to 0.9073 in.) Maximum inside diameter: 23.09 mm (0.9091 in.)

NOTICE: Check the contact surface of the bushing in the direct clutch shaft. If any scratch or discoloration is found, replace the direct clutch sub-assembly with a new one.

If the inside diameter is greater than the maximum, replace the forward clutch hub with a new one.

4. INSPECT 2ND BRAKE CLUTCH DISC

INSPECT 2ND BRAKE CLUTCH DISC

(a) Check if the sliding surface of the disc, plate and flange are worn or burnt.

If necessary, replace them.

NOTICE:
  • If the lining of the disc comes off or discolors, or if a part of the groove is worn, replace all discs.
  • Before installing new discs, immerse them in ATF for at least 15 minutes.

5. INSPECT 1ST AND REVERSE BRAKE CLUTCH DISC

 INSPECT 1ST AND REVERSE BRAKE CLUTCH DISC

(a) Check if the sliding surface of the disc, plate and flange are worn or burnt.

If necessary, replace them.

NOTICE:
  • If the lining of the disc comes off or discolors, or if a part of the groove is worn, replace all discs.
  • Before installing new discs, immerse them in ATF for at least 15 minutes.

6. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY

INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY

(a) Using a vernier calipers, measure the free length of the spring together with the spring seat.

Standard free length: 17.61 mm (0.6933 in.) HINT: If the result is not as specified, replace the spring.

7. INSPECT UNDERDRIVE BRAKE RETURN SPRING SUB-ASSEMBLY

INSPECT UNDERDRIVE BRAKE RETURN SPRING SUB-ASSEMBLY

(a) Using a vernier calipers, measure the free length of the spring together with the spring seat.

Standard free length: 13.24 mm (0.5213 in.) HINT: If the result is not as specified, replace the spring.

8. INSPECT PACK CLEARANCE OF 1ST AND REVERSE BRAKE

INSPECT PACK CLEARANCE OF 1ST AND REVERSE BRAKE

(a) Using vernier calipers, measure the distance between the disc surface and the contact surface of the 2nd brake cylinder and transaxle case (Dimension A).

(b) Select an appropriate flange so that the pack clearance will meet the specified value.

Pack clearance: 1.16 to 1.35 mm (0.0457 to 0.0531 in.)

HINT: Piston stroke = Dimension A - Flange thickness

Flange thickness: mm (in.)

(c) Install the flange.

9. INSPECT PACK CLEARANCE OF 2ND BRAKE

INSPECT PACK CLEARANCE OF 2ND BRAKE

(a) Using a vernier calipers, measure the distance between the disc surface and snap ring surface (Dimension B).

(b) Select an appropriate flange so that the pack clearance will meet the specified value.

Pack clearance: 0.62 to 0.91 mm (0.0244 to 0.0358 in.)

HINT: Piston stroke = Dimension B - Flange thickness - Snap ring thickness 1.6 mm (0.063 in.)

Flange thickness: mm (in.)

(c) Install the flange.

9. INSPECT PACK CLEARANCE OF 2ND BRAKE

INSPECT PACK CLEARANCE OF 2ND BRAKE

(a) Using a vernier calipers, measure the distance between the disc surface and snap ring surface (Dimension B).

(b) Select an appropriate flange so that the pack clearance will meet the specified value.

Pack clearance: 0.62 to 0.91 mm (0.0244 to 0.0358 in.)

HINT: Piston stroke = Dimension B - Flange thickness - Snap ring thickness 1.6 mm (0.063 in.)

Flange thickness: mm (in.) 

10. INSPECT PACK CLEARANCE OF UNDERDRIVE BRAKE

INSPECT PACK CLEARANCE OF UNDERDRIVE BRAKE

(a) Using a dial indicator, measure the underdrive brake pack clearance while applying and releasing compressed air (392 kPa, 4.0 kgf/cm2, 57 psi).

Pack clearance: 1.81 to 2.20 mm (0.0713 to 0.0866 in.)

HINT: Select an appropriate flange from the table below so that it will meet the specified value.

Flange thickness: mm (in.)

(b) Temporarily remove the snap ring and attach it to the flange.

(c) Reinstall the snap ring.

11. INSPECT UNDERDRIVE 1-WAY CLUTCH ASSEMBLY

INSPECT UNDERDRIVE 1-WAY CLUTCH ASSEMBLY

(a) Install the underdrive clutch assembly to the 1-way clutch.

(b) Rotate the underdrive 1-way clutch assembly to check the rotating direction for the lock or free operation.

HINT: If the result is not as specified, replace the underdrive 1-way clutch.

12. INSPECT INPUT SHAFT END PLAY

INSPECT INPUT SHAFT END PLAY

(a) Using a dial indicator, measure the input shaft end play.

End play: 0.262 to 1.244 mm (0.01 to 0.049 in.)

HINT: If the result is not as specified, replace the input shaft or thrust needle roller bearing.

Disassembly
1. Remove park/neutral position switch assembly (A) remove the nut, washer and control shaft lever. (B) using a screwdriver, unstake the nut stopper, and remove the lock nut and nut stopper ...

Reassembly
1. BEARING POSITION 2. INSTALL DIFFERENTIAL GEAR LUBE APPLY TUBE (a) Install the differential gear lube apply tube and transaxle apply tube clamp with the bolt to the transaxle housing ...

Other materials:

Inspection procedure
1 BASIC INSPECTION Conditions necessary for the power slide door to open: Power slide door main switch is in the ON position (switch free: orange paint on the top of the switch appears).  Slide door is unlocked (door lock position switch is in the ON position when the slide do ...

Precaution
1. SRS AIRBAG SYSTEM HANDLING PRECAUTIONS This vehicle is equipped with an SRS (Supplemental Restraint System) such as the driver airbag and front passenger airbag. Failure to carry out service operations in the correct sequence could cause unexpected SRS deployment during servicing an ...

Purpose of readiness tests
The On-Board Diagnostic (OBD II) system is designed to monitor the performance of emissionrelated components, and indicate any detected abnormalities with DTCs (Diagnostic Trouble Codes). Since various components need to be monitored in different driving conditions, the OBD II system ...

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