Toyota RAV4 manuals

Toyota Sienna Service Manual: Inspection

1. INSPECT OIL PUMP RELIEF VALVE

INSPECT OIL PUMP RELIEF VALVE

(a) Coat the relief valve with engine oil and check that it falls smoothly into the valve hole under its own weight.

If the valve does not fall smoothly, replace the relief valve. If necessary, replace the oil pump assembly.

2. INSPECT OIL PUMP ROTOR SET

 INSPECT OIL PUMP ROTOR SET

(a) Install the rotors to the timing chain cover with the rotors' marks facing outward. Check that the rotors rotate smoothly.

INSPECT OIL PUMP ROTOR SET

(b) Check the tip clearance.

(1) Using a feeler gauge, measure the clearance between the drive and driven rotors, as shown in the illustration.

Tip clearance

If the clearance is greater than the maximum, replace the drive and driven rotors.

INSPECT OIL PUMP ROTOR SET

(c) Check the side clearance.

(1) Using a feeler gauge and precision straightedge, measure the clearance between the rotors and precision straightedge, as shown in the illustration.

Side clearance

If the side clearance is greater than the maximum, replace the timing chain cover.

INSPECT OIL PUMP ROTOR SET

(d) Check the body clearance.

(1) Using a feeler gauge, measure the clearance between the timing chain cover and driven rotor, as shown in the illustration.

Body clearance

If the body clearance is greater than the maximum, replace the timing chain cover.

Disassembly
1. REMOVE OIL PUMP RELIEF VALVE (A) using a 27 mm socket wrench, remove the relief valve plug. (B) remove the valve spring and oil pump relief valve. 2. REMOVE OIL PUMP COVER (a) Remove ...

Reassembly
1. INSTALL OIL PUMP COVER (a) Coat the drive and driven rotors with engine oil and place them into the timing chain cover with the marks facing outward (oil pump cover side). Check that the ro ...

Other materials:

On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT SEAT POSITION SENSOR (VEHICLE INVOLVED IN COLLISION)  Perform a diagnostic system check.  Even if the airbag was not deployed, check if there is any dama ...

Differential oil
Adjustment 1. INSPECT DIFFERENTIAL OIL (a) Stop the vehicle on the level place. (b) Remove the differential filler plug and gasket. (c) Check that the oil surface is within 5 mm (0.20 in.) from the lowest position of the inner surface of the differential filler plug opening. NOTICE: ...

Room Temperature Sensor Circuit
DESCRIPTION This sensor detects the cabin temperature that is used as the basis for temperature control and sends a signal to the A/C amplifier. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER (a) Connect the intelligent tester to the DLC3. (b) Turn the ignition s ...

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