The 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 code | Ford Duratec HE 2.0 / Mazda LF |
| Layout | Four stroke, Inline-4 (Straight-4) |
| Fuel type | Gasoline (petrol) |
| Production | 1999- |
| Displacement | 2.0 L, 1,999 cc (122.0 cu in) |
| Fuel system | Gasoline direct injection (GDI) |
| Power adder | None |
| 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 order | 1-3-4-2 |
| 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 alloy | Aluminium | |
| 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: | Top | 0.030-0.0080 mm (0.0012-0.0003 in) |
| Second | 0.030-0.070 mm (0.0012-0.0028 in) | |
| Oil | 0.030-0.070 mm (0.0012-0.0028 in) | |
| Piston ring end gap: | Top | 0.16-0.31 mm (0.0063-0.0122 in) |
| Second | 0.33-0.48 mm (0.013-0.0189 in) | |
| Oil | 0.20-0.70 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 alloy | Aluminium | |
| Valve Arrangement: | DOHC, chain drive | |
| Valves: | 16 (4 valves per cylinder) | |
| Valve length: | INTAKE | 102.99-103.79 mm (4.0547-4.0862 in) |
| EXHAUST | 104.25-105.05 mm (4.1043-4.1358 in) | |
| Valve stem diameter: | INTAKE | 5.470-5.485 mm (0.2154-0.2159 in) |
| EXHAUST | 5.465-5.480 mm (0.2152-0.2157 in) | |
| Valve spring free length: | INTAKE | 28.68 mm (1.1291 in) |
| EXHAUST | 28.68 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 valve | 0.22-0.28 mm (0.0087-0.011 in) |
| Exhaust valve | 0.27-0.33 mm (0.0106-0.013 in) |
| Oil system | |
| Recommended engine oil | Castrol or Ford Engine Oil |
| Oil type SAE | 5W-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 pressure | 216—274 kPa (2.2—2.7 kgf·cm<>sup>2 31.4—39.7 psi) |
| Ignition system | |
| Spark plug | NGK TR6AP-13 (Platinum-tipped) |
| Spark plug tightening torque | 12 N·m (1.2 kg·m, 8.8 ft·lb) |
Vehicle applications
| Model | Years Produced |
| Mazda Axela | 2004–2008 |
| Mazda 3 | 2004–2008 |
| Mazda 6 (Europe) | 2002–2008 |
| Mazda 5 | 2006–2007 |
| Mazda Premacy | 2006–2007 |
| Mazda MX-5 | 2006–2015 |
| Mazda Roadster | 2006–2015 |
| Mazda Biante | 2008–2018 |
| Ford C-Max | 2007–2010 |
| Ford EcoSport | 2004– |
| Ford Fiesta ST | 2004–2008 |
| Ford Focus | 2004–2018 |
| Ford Mondeo | 2000–2007 |
| Ford Transit Connect | 2010–2012 |
| Volvo C30 | 2006–2010 |
| Volvo S40 | 2007–2010 |
| Volvo V50 | 2007–2010 |
| Volvo V70 | 2008–2010 |
| Volvo S80 | 2007–2010 |
| Besturn B70 | 2006–2012 |
| Zenos E10 | 2015–2016 |
| Caterham 7 Superlight R300/400/500 | 2006–2012 |
| Caterham 7 Roadsport 175/200 | 2008–2014 |
| Caterham 7 CSR 175 | 2009–2015 |
| Caterham 7 420/620R/S (supercharged) | 2012– |
| Caterham 7 335/360/420/480/485 | 2014– |
| Caterham 7 Supersport R | 2012–2016 |
| Caterham-Lola SP/300.R (supercharged) | 2011– |
| Morgan +4 | 2005–2020 |
| Mitsuoka Himiko | 2008–2018 |
| Tatuus-Cosworth MSV | 2015– |
| Ginetta G40R | 2010–2016 |
| Dare Ginetta G12 | 2000s– |
Author:
Helpful
that duratec he engine is NOT gdi- there is a mistake