General

• The lubrication circuit is fully pressurized and oil passes through an oil filter.

• The trochoid gear type oil pump is chain-driven by the crankshaft.

• The oil filter is attached downward from the crankcase to improve serviceability.

• Along with the adoption of the VVT-i system, the cylinder head is provided with a VVT-i controller and a camshaft timing oil control valve. This system is operated by the engine oil.

VVT-i Controller

Camshaft Timing Oil Control Valve

Chain Tensioner

Oil Return Hole

VVT-i Controller

Chain Tensioner

Oil Return Hole

2007 Rav4 Oil Filter Location

Oil Pump

Oil Filter

Oil Pump

Oil Filter

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Oil Pump Toyota Tacoma

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Dry

5.0 (5.3, 4.4)

with Oil Filter

4.3 (4.5, 3.8)

without Oil Filter

4.1 (3.8, 3.1)

2. Oil Jet

• Piston oil jets for cooling and lubricating the pistons are used in the cylinder block.

• These oil jets contain a check valve to prevent oil from being fed when the oil pressure is low. This prevents the overall oil pressure in the engine from dropping.

Oil Jets

Oil Jets

Bottom Side View Oil Jet Cross Section

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