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:

Removal
1. DISCONNECT BATTERY NEGATIVE TERMINAL 2. REMOVE FRONT DOOR SCUFF PLATE LH HINT: (See page IP-6) 3. REMOVE FRONT DOOR SCUFF PLATE RH HINT: (See page IP-6) 4. REMOVE COWL SIDE TRIM BOARD LH HINT: (See page IP-6) 5. REMOVE COWL SIDE TRIM BOARD RH HINT: (See page IP-6) 6. REMOVE INSTRUMEN ...

On-vehicle inspection
1. INSPECT FUEL CUT RPM (a) Increase the engine speed to at least 3500 rpm. (b) Use a sound scope to check for injector operating sounds. (c) Check that when the throttle lever is released, injector operating sounds stop momentarily (at 2500 rpm) and then resume (at 1400 rpm). Standard ...

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

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