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:

Light Sensor Circuit Malfunction
DTC B1244 Light Sensor Circuit Malfunction DESCRIPTION This DTC is output when failure in the light sensor circuit is detected. DTC No. DTC Detection Condition Trouble Area B1244 Malfunction of automatic light control sensor Open or short of a ...

Removal
1. Remove front wheel 2. Remove front wiper arm head cap Hint: (see page ww-3) 3. Remove fr wiper arm rh HINT: (See page WW-3) 4. Remove fr wiper arm lh HINT: (See page WW-3) 5. Remove cowl top ventilator louver subassembly Hint: (see page ww-3) 6. Remove windshield wiper motor & li ...

Diagnosis system
1. CHECK DLC3  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not ...

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