Toyota Sienna Service Manual: Inspection

Toyota Sienna Service Manual / Engine / 2Gr-fe cooling / Thermostat / Inspection

1. INSPECT THERMOSTAT

(a) Inspect the thermostat.

INSPECT THERMOSTAT

HINT: The valve opening temperature is inscribed on the thermostat.

INSPECT THERMOSTAT

(b) Immerse the thermostat in water and gradually heat the water.

Valve opening temperature: 80 to 84°C (176 to 183°F) If the valve opening temperature is not as specified, replace the thermostat.

INSPECT THERMOSTAT

(d) Check the valve lift.

Valve lift: 7.7 mm (0.303 in.) or more at 95°C (203°F) If the valve lift is not as specified, replace the thermostat.

(e) Check that the valve is fully closed when the thermostat is at low temperatures (below 40°C (104°F)).

If it is not fully closed, replace the thermostat.

Removal

1. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 2. REMOVE NO. 1 ENGINE UNDER COVER (See page EM-26) 3. DRAIN ENGINE COOLANT (See page CO-6) 4. REMOVE FRONT WHEEL RH 5. REMOVE FRONT FENDER A ...

Installation

1. Install thermostat (a) Install a new gasket to the thermostat. (b) Install the thermostat with the jiggle valve facing up. Hint: the jiggle valve may be set within 10° on either side of ...

Other materials:

Removal
1. REMOVE REAR DOOR SCUFF PLATE 2. REMOVE REAR DOOR WEATHERSTRIP 3. REMOVE BACK DOOR WEATHERSTRIP 4. REMOVE BACK DOOR SCUFF PLATE 5. REMOVE FRONT QUARTER TRIM PANEL ASSEMBLY Remove the floor anchor cover. Remove the bolt and disconnect the No. 2 rear seat outer belt assem ...

If your vehicle has to be stopped in an emergency
Only in an emergency, such as if it becomes impossible to stop the vehicle in the normal way, stop the vehicle using the following procedure: Steadily step on the brake pedal with both feet and firmly depress it. Do not pump the brake pedal repeatedly as this will increase the effort requi ...

Meter Illumination does not Dim at Night
DESCRIPTION Confirm that the vehicle is equipped with the optitron meter, then check this circuit. The combination meter assembly receives a auto dimmer signal from the body ECU by the multiplex communication line. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK MULTIP ...