Toyota RAV4 manuals

Toyota RAV4 Service Manual: Thermostat

Components

Toyota RAV4. Thermostat


Removal

  1. Remove no. 1 Engine under cover

  2. Drain engine coolant (see page co-6)

  3. Remove radiator support opening cover

  4. Disconnect no. 2 Radiator hose

  5. Remove water inlet

  1. Remove the 2 nuts and disconnect the water inlet from the cylinder block.
  1. Remove thermostat

  1. Remove the gasket from the thermostat.

Inspection

  1. Inspect thermostat

Toyota RAV4. Inspect thermostat


Hint:

The valve opening temperature is inscribed on the thermostat.

Toyota RAV4. Inspect thermostat


  1. Immerse the thermostat in water, and then gradually heat the water.
  2. Check the valve opening temperature of the thermostat.

Standard valve opening temperature: 80 to 84°c (176 to 183°f)

If the valve opening temperature is not as specified, replace the thermostat.

Toyota RAV4. Inspect thermostat


  1. Check the valve lift.

Standard valve lift: 10 mm (0.39 In.) Or more at 95°c (203°f)

If the valve lift is not as specified, replace the thermostat.

  1. Check that the valve is fully closed when the thermostat is at low temperatures (below 77°c (171°f).

If it is not fully closed, replace the thermostat.

Installation

  1. Install thermostat

Toyota RAV4. Install thermostat


  1. Install a new gasket onto the thermostat.
  2. Install the thermostat with the jiggle valve upward.

Hint:

The jiggle valve may be set to within 10° on either side of the prescribed position.

  1. Install water inlet

  1. Install the water inlet with the 2 nuts.

    Torque: 9.0 N*m (92 kgf*cm, 80 in.*Lbf)

  1. Connect no. 2 Radiator hose

  2. Add engine coolant (see page co-6)

  3. Check for engine coolant leaks (see page co-1)

  4. Install radiator support opening cover

  5. Install no. 1 Engine under cover

Toyota RAV4. Install water inlet


Installation
Install water pump assembly Remove any old seal packing material from the contact surface. Apply a continuous line of seal packing as shown in the illustration. Seal packing: to ...

Cooling fan motor
On-vehicle inspection Inspect no. 1 Cooling fan motor Disconnect the no. 1 Fan connector. Connect the battery and ammeter to the no. 1 Fan motor connector. Check th ...

Other materials:

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 ...

Front seat frame with adjuster
Inspection Inspect front seat frame with adjuster Check operation of the seat frame (slide motor). Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals. Ok If the result is not as specified, replace the seat frame w ...

System voltage
Description The battery supplies electricity to the ecm even when the ignition switch is in the off position. This power allows the ecm to store data such as dtc history, freeze frame data and fuel trim values. If the battery voltage falls below a minimum level, the memory is cleared and ...

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