The Toyota 3MZ-FE is a 3.3 l (3,310 cc, 201.99 cu-in) V6, four-stroke bike water-cooled naturally aspirated internal combustion gasoline engine, produced by the Toyota motor Corporation because 2004.

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The 3MZ-FE engine has actually 6 cylinders in a V setup at a financial institution angle the 60° The 3MZ-FE engine functions a lightweight aluminum block with a four-bearings crankshaft and two aluminum heads v two camshafts (DOHC) and four valves every cylinder (2 intake valves and also 2 exhaust valves).

The Toyota 3MZ-FE engine is equipped with SFI (Sequential Multiport Fuel Injection) system, ETCS-i (Electronic Throttle control System-intelligent), DIS (Direct Ignition System) through individual coils on every spark plug and VVTi (Variable Valve Timing) device for the entry camshafts.

A 92.0 mm (3.62 in) cylinder bore and 83.0 mm (3.27 in) piston stroke give the engine a full of 3,310 cc that displacement. Compression proportion rating is 10.8:1.

The Toyota 3MZ-FE engine developed from 210 PS (155 kW; 208 HP) at 5,600 rpm to 234 PS (172 kW; 231 HP) in ~ 5,600 rpm of maximum power and from 288 Nm (29.4 kg·m; 212.5 ft·lb) at 4,400 rpm to 328 Nm (33.5 kg·m; 242.0 ft·lb) at 3,600 rpm that torque relying on year and vehicle model.

The breakdown of the engine password is as follows:

3 – 3-rd generation engineMZ – Engine familyF – economy narrow-angle DOHCE – Multi allude Fuel Injection

General information

Engine Specifications
Engine code3MZ-FE
LayoutFour stroke, V6
Fuel typeGasoline (petrol)
Displacement3.3 L, 3,310 cm3 (201.99 cu in)
Fuel systemSequential multi-point fuel injection (MPFI)
Power adderNone
Power outputFrom 210 PS (155 kW; 208 HP) at 5,600 rpmto 234 PS (172 kW; 231 HP) in ~ 5,600 rpm
Torque outputFrom 288 Nm (29.4 kg·m; 212.5 ft·lb) in ~ 4,400 rpmto 328 Nm (33.5 kg·m; 242.0 ft·lb) at 3,600 rpm
Firing order1-2-3-4-5-6
Dimensions (L x W x H):

Cylinder block

The 3MZ-FE engine has an aluminum cylinder block in a V setup at a financial institution angle of 60°. Indigenous the prior of the RH bank cylinders are numbered 1–3–5, and also from the former of the LH financial institution cylinders space numbered 2–4–6. This engine firing stimulate is 1–2–3–4–5–6. The engine has actually press-fitted cast-iron cylinder liners.

The crankshaft is supported by 4 bearings and also integrated with 9 semi counterweights for balance. Oil feet are put in the facility of the crankshaft because that supply oil come the connecting rods, bearings, pistons and other components.

Pistons are made the high temperature-resistant aluminum alloy. Piston pins are the full-floating type. The Toyota 3MZ-FE motor has actually two compression and also one oil control rings. The cylinder boring is 87.5 mm (3.44 in), piston hit is 83 mm (3.27 in) mm and also compression ratio rating is 10.5:1.

Cylinder block
Cylinder block alloyAluminium
Compression ratio:10.8:1
Cylinder bore:92.0 mm (3.62 in)
Piston stroke:83.0 mm (3.27 in)
Number that piston rings (compression / oil):2 / 1
Number of main bearings:4
Cylinder inner diameter (standard):92.000-92.132 mm (3.6220-3.6272 in)
Piston skirt diameter (standard):91.983-91.967 mm (3.6202-3.6207 in)
Piston compression height:
Piston pin outer diameter:21.997-22.006 mm (0.8660-0.8664 in)
Piston ring side clearance:Top0.030-0.080 mm (0.0012-0.0031 in)
Second0.020-0.060 mm (0.0008-0.0024 in)
Oil0.030-0.110 mm (0.0012-0.0043 in)
Piston ring finish gap:Top0.30-0.95 mm (0.0118-0.0374 in.)
Second0.500-1.050 mm (0.0197-0.0413 in)
Oil0.150-1.000 mm (0.0059-0.0394 in)
Crankshaft main journal diameter:61.000 mm (2.4016 in)
Crankpin diameter:52.992-53.000 mm (2.0863-2.0866 in)

Connecting rod bearing bolts

Step 1: 25 Nm; 2.5 kg·m; 18 ft·lbStep 2: turn bolts 90°

Cylinder head

The cylinder head is made of aluminum alloy, through a cross-flow type intake and also exhaust layout and with pent-roof form combustion chambers. The spark plugs are located in the facility of the burning chambers.

The exhaust camshafts are driven by a single timing belt, and also a equipment on the exhaust camshaft engages through a gear on the input camshaft to drive it. The camshaft newspaper is supported at 5 places in between the valve lifters of every cylinder and also on the front finish of the cylinder head.

Exhaust and also intake valves space equipped v irregular key springs made of unique valve spring carbon stole which are capable of adhering to the video camer profile at every engine speeds. The intake valve diameter is 34.0 mm (1.33 in) and the exhaust valve diameter is 27.3 mm (1.07 in).

Adjustment the the valve clearance is excellent by means of an outer shim kind system, in i beg your pardon valve adjusting shims space located over the valve lifters. This permits replacement the the shims without removal that the camshafts.

Cylinder head
Block head alloyAluminium
Valve Arrangement:DOHC, chain drive
Cylinder head height:
Valves:24 (4 valves every cylinder)
Intake valve timing (Intake valve time control-OFF):
Exhaust valve timing:
Valve head diameter:INTAKE34.0 mm (1.33 in)
EXHAUST27.3 mm (1.07 in)
Valve length:INTAKE94.95-95.45 mm (3.7382-3.7579 in)
EXHAUST94.90-95.40 mm (3.7362-3.7559 in)
Valve stem diameter:INTAKE5.470-5.485 mm (0.2154-0.2159 in)
EXHAUST5.465-5.480 mm (0.2152-0.2157 in)
Valve spring free length:INTAKE45.50 mm (1.7913 in)
EXHAUST45.50 mm (1.7913 in)
Camshaft lobe height:INTAKE42.980-43.232 mm (1.6921-1.7020 in)
EXHAUST42.960-43.110 mm (1.6874-1.6972 in.)
Camshaft journal diameter:26.965 mm (1.0616 in)

Head tightening procedure and torque specs:

Step 1: 54 Nm; 5.4 kg·m; 40 ft·lbStep 2: revolve all bolts 90°

Maintenance data

Valve clearance (Cold)
Intake valve0.15-0.25 mm (0.006-0.010 in)
Exhaust valve0.25-0.35 mm (0.010-0.014 in)
Compression pressure
Standard12.5 kg/m2 (178 psi) / 300 rpm
Minimun10.0 kg/m2 (142 psi) / 300 rpm
Compression differential limit between cylinders1.0 kg/m2 (15 psi) / 300 rpm
Oil system
Oil usage , L/1000 kilometres (qt. Per miles)up come 0.5 (1 qt. Every 1200 miles)
Recommended engine oil5W-30
Oil kind APISL “Energy−Conserving”
Engine oil capacity (Refill capacity)With filter adjust 4.7 liters (5.0 united state qts, 4.1 Imp, qts)Without filter adjust 4.5 liters (4.8 us qts, 4.0 Imp. Qts)
Oil readjust interval, kilometres (miles)8,000 (5,000)
Oil PressureIdle speed: more than 29 kPa3,000 rpm: more than 294-539 kPa
Ignition system
Spark plugDenso: SK20R11, NGK: IFR6A11Spark plug gap1.0-1.1 mm (0.039-0.043 in)
Spark plug tightening torque25 Nm (2.5 kg⋅m, 18 ft⋅lb)

Valve clearance mediate data

Calculate the thickness of brand-new adjusting valve shim so valve clearance come within specified values.

R = Thickness of removed valve shimN = Thickness of brand-new valve shimM = measure up valve clearance

Intake:N = R + Exhaust:N = R +

Valve shims are available in 17 size to selection from 2.50 mm (0.0984 in) to 3.30 mm (0.1299 in), in measures of 0.05 mm (0.0020 in).

Example (exhaust valve):R = 2.70 mmM = 0.52 mmN = 2.70 + (0.45 – 0.30) = 2.85 mm.

Vehicle applications

ModelYears Produced
Toyota Highlander2004-2007
Toyota Camry Solara2004–2008
Toyota Sienna2004–2006
Toyota Camry (XV30)2005–2006
Toyota Highlander Hybrid2005–2010
Lexus RX 3302004–2006
Lexus RX 400h2005–2009
Lexus ES 3302004–2006
Mitsuoka Orochi2006-2014

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