Toyota 2TR-FE Specifications
| Engine Model: Toyota 2TR-FE |
| Engine Type: 4-cycle inline 4-cylinder DOHC 16-valve VVT-i liquid-cooled gasoline |
| Total Displacement: 164.4 cu.in (2.69 L) |
| Rated Engine Power: 159-164 Hp (118-122 kW) at 5200 rpm |
| Fuel System Type: Multi-Point Fuel Injection |
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The Toyota 2TR-FE is a 2.7-liter, naturally aspirated
inline-four engine from the TR family, introduced in 2004 as a replacement for
the 3RZ-FE. Designed with a focus on durability and low-to-mid-range torque, the
2TR-FE was engineered for sport utility vehicles, pickups, and commercial vans
requiring long-term reliability under demanding operating conditions.
The engine features a cast iron cylinder block, aluminum alloy cylinder head,
dual overhead camshafts with VVT-i (Variable Valve Timing with intelligence),
and multi-point fuel injection. Later variants incorporate Dual VVT-i with
phasing on both intake and exhaust camshafts. The 2TR-FE utilizes a square bore
and stroke design, twin balance shafts to manage secondary vibrations, and a
maintenance-free timing chain system.
Engine Type: Inline 4-cylinder, 4-cycle, water-cooled, naturally aspirated
gasoline.
Displacement: 2,694 cc (164.4 cu.in).
Bore: 95.0 mm (3.74 in).
Stroke: 95.0 mm (3.74 in).
Compression Ratio: 9.6:1 for early variants (2004-2015).
Compression Ratio: 10.2:1 for Dual VVT-i variants (2015 onward).
Firing Order: 1-3-4-2.
Maximum Power Output: 159-164 hp (118-122 kW) @ 5,200 rpm.
Maximum Torque Output: 244-245 Nm (180 lb-ft) @ 3,800-4,000 rpm.
Maximum Engine Speed: 5,500 rpm.
Valvetrain Configuration: Dual Overhead Camshaft (DOHC) operating 16 valves (4
valves per cylinder). The intake camshaft is equipped with VVT-i (Variable Valve
Timing with intelligence) on early variants; later variants utilize Dual VVT-i
with phasing on both intake and exhaust camshafts. Camshafts are driven by a
silent timing chain. Hydraulic lash adjusters are incorporated, eliminating
routine manual valve clearance adjustments.
The cylinder block is manufactured from cast iron with
a deep-skirt design extending below the crankshaft centerline. Bore diameter
measures 95.0 mm (3.74 in). The cast iron construction provides the rigidity
required for sustained high-load operation in truck and SUV applications. The
crankshaft is forged steel with eight counterweights, supported by five main
bearings.
The block incorporates an integrated oil
gallery system feeding the main bearings, connecting rods, and VVT-i
components. Twin balance shafts are mounted within the crankcase to
cancel secondary vibrations inherent in large-displacement inline-four
engines; these shafts rotate at twice engine speed in opposite
directions and are driven by a chain from the crankshaft.
The cylinder head is manufactured from aluminum alloy
with pent-roof combustion chambers and cross-flow port architecture.
Valves: 16 total; 8 intake, 8 exhaust.
Intake Valve Diameter: 33.5 mm (1.32 in).
Exhaust Valve Diameter: 29.0 mm (1.14 in).
Valve Stem Diameter: 5.5 mm (0.22 in) for both intake and exhaust.
Valve Seat Inserts: Powder metal sintered alloy with multi-angle seat geometry.
Valve Guides: Press-fit sintered iron guides.
Hydraulic Lash Adjusters: Direct-acting units mounted in the cylinder head
casting, operating on bucket-type cam followers. These adjusters automatically
maintain zero valve clearance throughout engine life.
Camshafts: Chilled cast iron camshafts with induction-hardened lobes. The intake
camshaft incorporates a VVT-i actuator with an adjustment range of 40-50 degrees
depending on variant. Dual VVT-i variants incorporate actuators on both intake
and exhaust camshafts.
VVT-i System: Oil pressure controlled by a solenoid valve advances or retards
cam timing based on engine speed, load, and coolant temperature. The system
improves low-end torque, fuel efficiency, and idle stability. Valve Springs:
Progressive-rate springs designed for the engine’s operating range.
The fuel system employs multi-point fuel injection with
sequential injection timing. Injection Type: Sequential multi-port injection
with fuel injectors positioned in the intake manifold runners adjacent to each
intake port. Engine Management System: Toyota ECU utilizing inputs from a mass
airflow sensor (hot-wire type), throttle position sensor, coolant temperature
sensor, intake air temperature sensor, crankshaft position sensor, camshaft
position sensors, and oxygen sensors.
Fuel Pressure: Regulated to 3.0-3.5 bar (44-51 psi) via a vacuum-referenced fuel
pressure regulator. Injector Flow Rate: 250-280 cc/min at standard operating
pressure. Fuel Pump: In-tank electric fuel pump with flow rate calibrated for
the engine’s output.
Intake Manifold: Composite resin manifold with individual runners per cylinder,
reducing weight and improving airflow efficiency. Early variants utilized an
aluminum manifold; later variants transitioned to resin construction. The
manifold incorporates a resonance chamber and an electronically controlled
throttle body.
The lubrication system is a full-flow, pressurized
design utilizing a rotor-type oil pump driven by the crankshaft. Oil Pump Type:
Internal gear (gerotor) pump mounted to the front of the crankshaft, housed
within the front timing cover assembly. Oil Capacity: 5.3-5.8 liters (5.6-6.1
qt) including oil filter replacement. Recommended Oil Viscosity: 0W-20 or 5W-30
depending on market and model year.
Oil Quality Requirement: API SL, SM, SN, or later classifications. ILSAC GF-4 or
GF-5. Oil Pressure: At warm idle, pressure ranges from 1.0-1.5 bar (14-22 psi).
At 3,000 rpm, pressure reaches 3.5-4.5 bar (51-65 psi). Oil Cooler: Not equipped
as standard. The cast iron block and large oil capacity provide sufficient
thermal management for the engine’s operating range. Oil Filter: Full-flow
spin-on canister type mounted to the cylinder block. Crankcase Ventilation:
Closed PCV system with a PCV valve mounted in the intake manifold.
The cooling system is pressurized and utilizes a
centrifugal water pump driven by the timing chain. Water Pump Type: Centrifugal
pump with a die-cast aluminum housing and stamped steel impeller. Thermostat:
Wax-pellet type with integrated housing. Opening temperature is 82-88 °C
(180-190 °F). Coolant Capacity: 7.5-8.5 liters (7.9-9.0 qt) inclusive of engine
block, heater core, and radiator.
Radiator: High-capacity cross-flow aluminum core with plastic end tanks. Cooling
fan configuration consists of an engine-driven mechanical fan with a viscous
clutch on truck and SUV applications; electric fans are used on commercial van
configurations. System Pressure: Radiator cap rated at 1.1 bar (16 psi). Coolant
Specification: Toyota Super Long Life Coolant (SLLC), an ethylene glycol-based
phosphate and silicate-free formulation designed for extended service intervals.
Ignition System: Direct ignition system with individual
pencil-type ignition coils mounted directly over each spark plug (coil-on-plug).
The system utilizes a crankshaft position sensor and a camshaft position sensor
for sequential ignition timing. Spark Plug Type: NGK SK20HR11 or Denso SK20HR11
(iridium-tipped). Spark Plug Gap: 1.0-1.1 mm (0.039-0.043 in).
Timing System: Maintenance-free silent timing chain constructed from
multiple-row rollers. A primary chain drives the intake camshaft from the
crankshaft; a secondary chain transmits drive to the exhaust camshaft. A
separate chain drives the twin balance shafts. Hydraulic chain tensioners
supplied by the engine lubrication circuit maintain tension. The system is
intended for the engine service life.
Balance Shaft System: Twin balance shafts mounted within the crankcase, rotating
in opposite directions at twice engine speed to cancel secondary vibrations. The
shafts are driven by a dedicated chain from the crankshaft.
Exhaust System: Cast iron exhaust manifold with a single exhaust outlet. A
single catalytic converter is utilized for emissions control, with oxygen
sensors positioned before and after the catalyst.
Intake System: Air induction utilizes a large-volume air cleaner housing with a
replaceable paper element. The air cleaner incorporates a cold-air intake duct
positioned to draw ambient air from outside the engine compartment.
Overall Length: 670 mm (26.4 in) measured from
accessory drive pulley face to transmission mounting flange.
Overall Width: 620 mm (24.4 in) inclusive of intake manifold, throttle body, and
exhaust manifold.
Overall Height: 760 mm (29.9 in) from oil pan bottom surface to valve cover top
surface.
Dry Weight: 150-160 kg (331-353 lb) depending on intake manifold material and
accessory drive components.
Valve Clearance: Hydraulic lash adjusters operate
automatically. No periodic adjustment required. Timing Chain Inspection: Chain,
tensioners, and guides inspection recommended at 160,000 km (100,000 miles).
Replacement is condition-based. Balance Shaft Chain Inspection: Inspect
concurrently with timing chain service. Spark Plug Replacement Interval: 100,000
km (60,000 miles) for iridium-tipped plugs.
Drive Belt Tension (Accessory): Automatic tensioner maintains correct tension;
no manual adjustment required. Belt replacement interval is 80,000-100,000 km
(50,000-62,000 miles). Coolant Change Interval: 160,000 km (100,000 miles) or 10
years for Toyota SLLC. Idle Speed (warm, neutral): 650-700 rpm. Ignition Timing:
Electronically controlled with no manual adjustment provision.
Engine Oil Change Interval: 8,000-10,000 km (5,000-6,200 miles) or 12 months,
depending on operating conditions. Fuel Pressure: 3.0-3.5 bar (44-51 psi) with
vacuum line disconnected from fuel pressure regulator. Compression Pressure:
Standard 1.3-1.5 MPa (189-218 psi) per cylinder; minimum 1.0 MPa (145 psi).
Maximum variation between cylinders is 0.1 MPa (14 psi).
Cylinder Head Bolts (cold), Step 1: 30 Nm (22 lb-ft).
Cylinder Head Bolts (cold), Step 2: 60 Nm (44 lb-ft) plus 90° rotation.
Crankshaft Damper Pulley Bolt: 250-280 Nm (184-207 lb-ft).
Connecting Rod Cap Bolts: 30 Nm (22 lb-ft) plus 90° rotation.
Main Bearing Cap Bolts: 40 Nm (30 lb-ft) plus 90° rotation.
Camshaft Bearing Cap Bolts: 10-12 Nm (7-9 lb-ft).
Camshaft Sprocket Bolts: 80-90 Nm (59-66 lb-ft).
Camshaft Phaser Actuator Bolts: 80-90 Nm (59-66 lb-ft).
Valve Cover Bolts: 8-10 Nm (6-7 lb-ft).
Intake Manifold Bolts: 20-25 Nm (15-18 lb-ft).
Exhaust Manifold Nuts: 30-35 Nm (22-26 lb-ft).
Oil Pan Bolts: 10-12 Nm (7-9 lb-ft).
Timing Chain Tensioner Bolts: 20-25 Nm (15-18 lb-ft).
Timing Chain Guide Bolts: 18-22 Nm (13-16 lb-ft).
Balance Shaft Chain Tensioner: 20-25 Nm (15-18 lb-ft).
Water Pump Bolts: 18-22 Nm (13-16 lb-ft).
Fuel Rail Mounting Bolts: 18-22 Nm (13-16 lb-ft).
Flywheel / Drive Plate Bolts: 90-100 Nm (66-74 lb-ft) plus 90° rotation.
Engine Mount Bracket Bolts: 45-55 Nm (33-41 lb-ft).
Spark Plugs: 20-25 Nm (15-18 lb-ft).
Toyota Tacoma: 2005-2023 model years. The 2TR-FE served
as the base and mid-range powertrain for the North American Tacoma pickup across
two generations (N300 and N400), paired with either a five-speed or six-speed
manual transmission and a four-speed, five-speed, or six-speed automatic
transmission depending on generation.
Toyota Hilux: 2004-present. The 2TR-FE is extensively utilized in the Hilux
pickup for global markets outside North America, serving as the premium gasoline
engine option in regions where diesel remains the primary powertrain.
Toyota Fortuner: 2005-present. The 2TR-FE powers the Fortuner mid-size SUV,
sharing its powertrain with the Hilux platform.
Toyota 4Runner: 2010-2013. The 2TR-FE was installed as the base engine in
certain 4Runner models for select markets during the fifth generation
production.
Toyota Land Cruiser Prado (J120, J150): 2004-2017. The 2TR-FE served as the
entry-level gasoline powertrain for the J120 and J150 Prado in markets where the
larger V6 and V8 engines were not offered.
Toyota Hiace / RegiusAce: 2004-present. The 2TR-FE powers Hiace and RegiusAce
commercial vans in various global markets, providing durability for high-mileage
delivery and passenger transport applications.
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