Toyota RAV4 manuals

Toyota RAV4 Service Manual: Underdrive clutch

Components

Toyota RAV4. Underdrive clutch


Disassembly

  1. Inspect pack clearance of underdrive clutch (see page ax-247)

  2. Remove no. 1 Underdrive clutch disc

Toyota RAV4. Remove no. 1 Underdrive clutch disc


  1. Using a screwdriver, pry out the underdrive clutch flange snap ring.
  2. Remove the flange, 3 discs and 3 plates from the underdrive clutch drum.
  1. Inspect no. 1 Underdrive clutch disc (see page ax-248)

Toyota RAV4. Inspect no. 1 Underdrive clutch disc (see page ax-248)


  1. Inspect underdrive clutch drum subassembly (see page ax-248)

  2. Remove underdrive clutch drum o-ring

Toyota RAV4. Remove underdrive clutch drum o-ring


  1. Remove underdrive clutch piston set

Toyota RAV4. Remove underdrive clutch piston set


  1. Place sst on the clutch balancer and compress the spring with a press.

Sst 09350-32014 (09351-32070)

  1. Using a snap ring expander, remove the snap ring.

Notice:

Toyota RAV4. Remove underdrive clutch piston set


  1. Remove the clutch balancer from the underdrive clutch drum.

Toyota RAV4. Remove underdrive clutch piston set


  1. Remove the piston return spring from the underdrive clutch drum.

Toyota RAV4. Remove underdrive clutch piston set


  1. Install the underdrive clutch to the transaxle.

Notice:

Be careful not to damage the oil seal rings.

  1. Holding the underdrive clutch piston with your hand, apply compressed air (392 kpa, 4.0 Kgf/cm2, 57 psi) to the transaxle case to remove the underdrive clutch piston.
  1. Inspect underdrive clutch return spring sub-assembly (see page ax-248)

Toyota RAV4. Inspect underdrive clutch return spring sub-assembly (see page ax-248)


Inspection

  1. Inspect underdrive clutch pack clearance

Toyota RAV4. Inspect underdrive clutch pack clearance


  1. Install the underdrive clutch to the transaxle.

Notice:

Be careful not to damage the oil seal rings.

  1. Install a dial indicator as shown in the illustration.
  2. Measure the underdrive clutch pack clearance while applying and releasing compressed air (392 kpa, 4.0Kgf/cm2, 57 psi)

Toyota RAV4. Inspect underdrive clutch pack clearance


Standard pack clearance: 1.51 To 1.90 Mm (0.0594 To 0.0748 In.)

If the pack clearance is not as specified, inspect the discs, plates and flange.

  1. Inspect no. 1 Underdrive clutch disc

Toyota RAV4. Inspect no. 1 Underdrive clutch disc


  1. Check to see if the sliding surface of the disc, plate and flange are worn or burnt. If necessary, replace them.

Hint:

  1. Inspect underdrive clutch drum subassembly

Toyota RAV4. Inspect underdrive clutch drum subassembly


  1. Using a caliper gauge measure the inside diameter of the underdrive clutch drum bush.

Standard drum bush: 37.06 To 37.08 Mm (1.4591 To 1.4598 In.)

Maximum drum bush: 37.13 Mm (1.4618 In.)

If the inside diameter is greater then the maximum, replace the underdrive clutch drum sub-assembly.

  1. Inspect underdrive clutch return spring sub-assembly

Toyota RAV4. Inspect underdrive clutch return spring sub-assembly


  1. Using a vernier caliper, measure the free length of the spring together with the spring seat.

Standard free length: 17.14 Mm (0.6752 In.)

Installation

  1. Install underdrive clutch piston set

Toyota RAV4. Install underdrive clutch piston set


  1. Coat the underdrive clutch piston with atf, and install it to the underdrive clutch piston drum.

Notice:

Be careful not to damage the o-ring.

Toyota RAV4. Install underdrive clutch piston set


  1. Install the piston return spring to the underdrive clutch drum.

Toyota RAV4. Install underdrive clutch piston set


  1. Install the clutch balancer to the underdrive clutch drum.

Notice:

Be careful not to damage the lip seal of the clutch balancer.

Toyota RAV4. Install underdrive clutch piston set


  1. Place sst on the clutch balancer and compress the piston return spring with a press.

Sst 09350-32014 (09351-32070)

  1. Using a snap ring expander, install the snap ring to the underdrive clutch drum.

Notice:

Toyota RAV4. Install underdrive clutch piston set


  1. Set the end gap of the snap ring in the underdrive clutch drum shown in the illustration.

Notice:

The end gap of the snap ring should not coincide with any of the stopper.

  1. Install underdrive clutch drum o-ring

Toyota RAV4. Install underdrive clutch drum o-ring


  1. Coat the new o-ring with atf, and install it to the underdrive clutch drum.
  1. Install no. 1 Underdrive clutch disc

Toyota RAV4. Install no. 1 Underdrive clutch disc


  1. Install the 3 plates, 3 discs and flange to the underdrive clutch drum.

Install in order: p - d - p - d - p - d - f

Hint:

P = plate

D = disc

F = flange

Toyota RAV4. Install no. 1 Underdrive clutch disc


  1. Using a screwdriver, install the underdrive clutch flange hole snap ring.
  2. Check that the end gap of the snap ring is not aligned with one of the cutouts.
  1. Inspect underdrive clutch pack clearance

Toyota RAV4. Inspect underdrive clutch pack


  1. Install the underdrive clutch to the transaxle.

Notice:

Be careful not to damage the oil seal rings.

  1. Set a dial indicator as shown in the illustration.

Toyota RAV4. Inspect underdrive clutch pack clearance


  1. Measure the underdrive clutch piston stroke while applying and releasing compressed air (392 kpa, 4.0 Kgf/cm2, 57 psi).

Standard pack clearance: 1.51 To 1.90 Mm (0.0594 To 0.0748 In.)

If the pack clearance is less than the minimum, parts may have been assembled incorrectly, so check and reassemble again.

If the park clearance is not as specified, select another flange.

Hint:

There are 3 flanges in different thickness.

Standard flange thickness


Underdrive planetary gear
Components Disassembly Remove underdrive planetary gear preload (see page ax-240) Remove underdrive input shaft nut Sst 09930-00010 (09931-00010, 09931-00020), 09387-00050, 09564-1602 ...

Valve body
Components Disassembly Remove shift solenoid valve slt Remove the bolt, plate and shift solenoid valve slt from the valve body. Remove shift solenoid valve sl1 Rem ...

Other materials:

Air-fuel ratio (a/f) and heated oxygen (ho2) sensor monitors (active air-fuel ratio control type)
Preconditions The monitor will not run unless: 2 Minutes or more have elapsed since the engine was started. The engine coolant temperature (ect) is 75°c (167°f) or more. Cumulative driving time at a vehicle speed of 48 km/h (30 mph) or more exceeds 6 minutes. Air-fuel rat ...

Child restraint systems with a top tether strap
Secure the child restraint system using the seat belt or latch anchors. Latch the hook onto the anchor bracket and tighten the top tether strap. Make sure the top tether strap is securely latched. Laws and regulations pertaining to anchorages The latch system conforms to fmv ...

Inspection
Inspect cylinder block for warpage Using a precision straightedge and feeler gauge, measure the warpage of the surface that is in contact with the cylinder head gasket. Maximum warpage: 0.05 Mm (0.0020 In.) If the warpage is greater than the maximum, replace the cylinder block ...

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