Ford Duratec HE 2.0 / Mazda LF

Ford Duratec HE 2.0  / Mazda LFThe Ford Duratec HE 2.0 / Mazda LF is a 2.0 l (1,999 cc, 120.0 cu.in.) straight-four 4-stroke natural aspirated gasoline engine from Ford Duratec-family and from Mazda MZR-series.

The Duratec HE 2.0 / LF features a lightweight aluminum block with a five-bearings crankshaft, aluminum head with two camshafts (DOHC), and four valves per cylinder. This engine used a gasoline direct injection (GDI) fuel system. The compression ratio ratings are 10.0:1, 10.8:1, or 12.0:1 depending on the modification. Cylinder bore and piston stroke are 87.5 mm (3.44 in) and 83.1 mm (3.27 in), respectively.

This engine produces from 132.0 PS (97.0 kW; 130.0 HP) at 6,000 rpm to 145.0 PS (110 kW; 147.5 HP) at 6,500 rpm of horsepower and from 175 N·m (17.8 kg·m, 129 ft·lb) at 4,000 rpm to 185 N·m (18.9 kg·m, 136.3 ft·lb) at 4,500 rpm of peak torque, depending on engine modification.

Engine codes:

  • Ford: AODA, AODB, AOBC, AODE, AOWA, AOWB, SYDA, CJBA, CJBB, TBBA
  • Mazda: LF-17, LF-18, LF-F7, LF-DE, LF-62, LF-VE, LF-VD
  • Volvo: B4204S3? or B4204S4 for Flexifuel engine version

General information

Engine Specifications
Engine codeFord Duratec HE 2.0 / Mazda LF
LayoutFour stroke, Inline-4 (Straight-4)
Fuel typeGasoline (petrol)
Production1999-
Displacement2.0 L, 1,999 cc (122.0 cu in)
Fuel systemGasoline direct injection (GDI)
Power adderNone
Power output From 132.0 PS (97.0 kW; 130.0 HP) at 6,000 rpm
to 145.0 PS (110 kW; 147.5 HP) at 6,500 rpm
Torque output From 175 N·m (17.8 kg·m, 129 ft·lb) at 4,000 rpm
to 185 N·m (18.9 kg·m, 136.3 ft·lb) at 4,500 rpm
Firing order1-3-4-2
Dimensions (L x W x H):
Weight

Cylinder block

The Duratec HE 2.0 / Mazda LF has an aluminum cylinder block with cast-iron cylinder liners and five bearing support system. It has an 87.5 mm (3.44 in) cylinder bore and 83.1 mm (3.27 in) piston stroke. The engine has a crankshaft with eight balance weights. The engine is equipped with steel connecting rods, float-type piston pins, aluminum alloy pistons with two compression, and a single oil control ring.

Cylinder block
Cylinder block alloyAluminium
Compression ratio:10.0:1, 10.8:1. 12.0:1
Cylinder bore:87.5 mm (3.44 in)
Piston stroke:83.1 mm (3.27 in)
Number of piston rings (compression / oil):2 / 1
Number of main bearings:5
Cylinder inner diameter (standard):87.500-87.530 mm (3.4449-3.4461 in)
Piston skirt diameter (standard):87.465-87.495 mm (3.4435-3.4447 in)
Piston ring side clearance:Top0.030-0.0080 mm (0.0012-0.0003 in)
Second0.030-0.070 mm (0.0012-0.0028 in)
Oil0.030-0.070 mm (0.0012-0.0028 in)
Piston ring end gap:Top0.16-0.31 mm (0.0063-0.0122 in)
Second0.33-0.48 mm (0.013-0.0189 in)
Oil0.20-0.70 mm (0.0079-0.0276 in)
Crankshaft main journal diameter:51.980-52.000 mm (2.0465-2.0472 in)
Crankpin diameter:46.980-47.000 mm (1.8496-1.8504 in)

Main bearing cap bolts tightening procedure and torque specs:

ELASTIC REGION TIGHTENING BOLT (BOLT STEM LENGTH 104 mm)

  • Step 1: 3-7 Nm; 30.6-71.3 kg·cm; 26.6—61.9 in·lb
  • Step 2: 23-27 Nm; 2.4-2.7 kg·m; 17—19.9 ft·lb
  • Step 3: 38—42 Nm; 3.9-4.2 kg·m; 28.1—30.9 ft·lb
  • Step 4: Loosen all the bolts
  • Step 5: 3-7 Nm; 30.6-71.3 kg·cm; 26.6—61.9 in·lb
  • Step 6: 18-22 Nm; 1.9-2.2 kg·m; 13.3—16.2 ft·lb
  • Step 7: Turn all bolts 90°

PLASTIC REGION TIGHTENING BOLT (BOLT STEM LENGTH 110 mm)

  • Step 1: 44-46 Nm; 4.5-4.6 kg·cm; 32.5—33.9 in·lb
  • Step 2: Turn all bolts 175°-185°

After securing bearing cap bolts, make sure the crankshaft turns smoothly by hand.

Connecting rod bearing bolts

  • Step 1: 26-32 Nm; 2.7-3.2 kg·m; 19.2—23.6 ft·lb
  • Step 2: Turn all bolts 80°-100°

Cylinder head

Cylinder head
Cylinder block alloyAluminium
Valve Arrangement:DOHC, chain drive
Valves:16 (4 valves per cylinder)
Valve length:INTAKE102.99-103.79 mm (4.0547-4.0862 in)
EXHAUST104.25-105.05 mm (4.1043-4.1358 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:INTAKE28.68 mm (1.1291 in)
EXHAUST28.68 mm (1.1291 in)
Camshaft cam height:INTAKE With variable valve timing: 42.44 mm (1.6709 in)
Without variable valve timing: 42.12 mm (1.6583 in)
EXHAUST With variable valve timing: 41.18 mm (1.6213 in)
Without variable valve timing: 41.08 mm (1.6173 in)
Camshaft journal diameter:24.960-24.980 mm (0.9827-0.9835 in)

Head tightening procedure and torque specs:

  • Step 1: 3-11 Nm; 30.6-112 kg·cm; 26.6—97.3 in·lb
  • Step 2: 13-17 Nm; 1.4-1.7 kg·m; 9.6—12.5 ft·lb
  • Step 3: 43-47 Nm; 4.4-4.7 kg·m; 31.8—34.6 ft·lb
  • Step 4: Turn all bolts 90°
  • Step 5: Turn all bolts another 90°

Camshaft bearing caps

  • Step 1: 5-9 Nm; 50.1-91.7 kg·cm; 44.3—79.5 in·lb
  • Step 2: 14-17 Nm; 1.4-1.7 kg·m; 10.4—12.5 ft·lb

Maintenance data

Valve clearance (HOT)
Intake valve0.22-0.28 mm (0.0087-0.011 in)
Exhaust valve0.27-0.33 mm (0.0106-0.013 in)
Oil system
Recommended engine oilCastrol or Ford Engine Oil
Oil type SAE5W-20, 10W-30
Engine oil capacity (Refill capacity) With filter change 4.3 liters (4.54 US.qts, 3.78 Imp. qts)
Without filter change 3.9 L (4.12 US. qts, 3.43 Imp. qts.)
Oil change interval, km (miles)10,000 (6,000)
Oil jet valve air pressure216—274 kPa (2.2—2.7 kgf·cm<>sup>2 31.4—39.7 psi)
Ignition system
Spark plugNGK TR6AP-13 (Platinum-tipped)
Spark plug tightening torque12 N·m (1.2 kg·m, 8.8 ft·lb)

Vehicle applications

ModelYears Produced
Mazda Axela2004–2008
Mazda 32004–2008
Mazda 6 (Europe)2002–2008
Mazda 52006–2007
Mazda Premacy2006–2007
Mazda MX-52006–2015
Mazda Roadster2006–2015
Mazda Biante2008–2018
Ford C-Max2007–2010
Ford EcoSport2004–
Ford Fiesta ST2004–2008
Ford Focus2004–2018
Ford Mondeo2000–2007
Ford Transit Connect2010–2012
Volvo C302006–2010
Volvo S402007–2010
Volvo V502007–2010
Volvo V702008–2010
Volvo S802007–2010
Besturn B702006–2012
Zenos E102015–2016
Caterham 7 Superlight R300/400/5002006–2012
Caterham 7 Roadsport 175/2002008–2014
Caterham 7 CSR 1752009–2015
Caterham 7 420/620R/S (supercharged)2012–
Caterham 7 335/360/420/480/4852014–
Caterham 7 Supersport R2012–2016
Caterham-Lola SP/300.R (supercharged)2011–
Morgan +42005–2020
Mitsuoka Himiko2008–2018
Tatuus-Cosworth MSV2015–
Ginetta G40R2010–2016
Dare Ginetta G122000s–
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