GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Lubricants and Sealants | |
| SAE 5W-3O Super Premium Synthetic Blend Motor Oil XO-5W30-QSP or equivalent | WSS-M2C153-G |
| Motorcraft Premium Engine Coolant VC-4-A (in Oregon VC-5, in Canada CXC-10) or equivalent a | ESE-M97B44-A (green color) |
| Motorcraft Premium Gold Engine Coolant VC-7-A (in Oregon VC-7-B) or equivalent ab | WSS-M97B51-A1 (yellow color) |
| Metal Surface Cleaner F4AZ-19A536-RA or equivalent | WSE-M5B392-A |
| Silicone Gasket and Sealant F7AZ-19554-EA or equivalent | WSE-M4G323-A4 |
| Motorcraft Silicone Brake Caliper Grease and Dielectric Compound XG-3 or equivalent | ESE-M1C171-A |
| Engine | |
| Displacement | 4.0L (244 CID) |
| Number of cylinders | 6 |
| Bore | 100.4 mm (3.953 in) |
| Stroke | 84.4 mm (3.31 in) |
| Firing order | 1-4-2-5-3-6 |
| Oil pressure minimum at 2,000 RPM (engine at normal operating temperature) | 103 kPa (15 psi) |
| Oil capacity | 4.73 liters (5 quarts) with filter |
| Cylinder Head and Valve Train | |
| Cylinder head gasket surface flatness | 0.08 mm (0.003 in) total |
| Combustion chamber volume | 65.197 ± 2.068-2.018 cc |
| Valve arrangement (front to rear) - LH | I-E-I-E-I-E |
| Valve arrangement (front to rear) - RH | E-I-E-I-E-I |
| Valve guide bore diameter | 7.00-7.018 mm (0.276 in) |
| Valve stem diameter - intake | 6.965-6.98 mm (0.274-0.275 in) |
| Valve stem diameter - exhaust | 6.95-6.965 mm (0.27-0.274 in) |
| Valve stem-to-guide clearance - intake | 0.020-0.053 mm (0.001-0.002 in) |
| Valve stem-to-guide clearance - exhaust | 0.035-0.068 mm (0.001-0.003 in) |
| Valve head diameter - intake | 45.9-46.1 mm (1.807-1.815 in) |
| Valve head diameter - exhaust | 38.9-39.1 mm (1.531-1.539 in) |
| Valve face runout | 0.03 mm (0.001 in) |
| Valve face angle | 45 degrees |
| Valve seat width - intake | 1.273-2.121 mm (0.05-0.083 in) |
| Valve seat width - exhaust | 1.556-2.404 mm (0.06-0.094 in) |
| Valve seat runout | 0.059 mm (0.002 in) |
| Valve seat angle | 45 degrees |
| Valve spring free length | 43.1 mm (1.7 in) |
| Valve spring squareness | ± 1.5 deg |
| Valve spring compression pressure at specified height (lbs) | 275-305 Nm at 35.9-36.7 mm (202.84-224.968 lb-ft at 1.413-1.445 in) |
| Valve spring installed height | 39.86-40.86 mm (1.569-1.601 in) |
| Valve spring installed pressure | 320 newtons |
| Roller follower ratio | 1.98:1 |
| Camshaft | |
| Theoretical valve lift @ 0 lash | 12 mm |
| Lobe lift | 6.584 mm (0.259 in) |
| Allowable lobe lift loss | 0.127 mm (0.005 in) |
| Journal diameter | 27.935-27.96 mm (1.099-1.101 in) |
| Camshaft journal bore inside diameter | 28.0-28.03 mm (1.102-1.104 in) |
| Camshaft journal-to-bearing clearance | 0.04-0.095 mm (0.002-0.004 in) |
| Runout | 0.05 mm (0.002 in) |
| End play | 0.075-0.185 mm (0.0003-0.007 in) |
| Cylinder Block | |
| Cylinder bore diameter | 100.4 mm (3.953 in) |
| Cylinder bore maximum taper | 0.025 mm (0.001 in) |
| Cylinder bore maximum out-of-round | 0.025 mm (0.001 in) |
| Main bearing bore inside diameter | 60.620-60.634 mm (2.387-2.387 in) |
| Head gasket surface flatness | 0.1 mm (0.004 in) overall |
| Crankshaft | |
| Main bearing journal diameter | 56.980-57.0 mm (2.243-2.244 in) |
| Main bearing journal maximum taper | 0.008 mm (0.0003 in) |
| Main bearing journal maximum out-of-round | 0.008 mm (0.0003 in) |
| Main bearing journal-to-cylinder block clearance | 0.008-0.062 mm (0.0003-0.0024 in) |
| Connecting rod journal diameter | 53.98-54.0 mm (2.125-2.126 in) |
| Connecting rod journal maximum taper | 0.008 mm (0.0003 in) |
| Connecting rod journal maximum out-of-round | 0.008 mm (0.0003 in) |
| Crankshaft maximum end play | 0.05-0.32 mm (0.002-0.0126 in) |
| Piston and Connecting Rod | |
| Piston diameter - coded standard | 100.380-100.400 mm (3.952-3.9528 in) |
| Piston diameter - coded 0.5 | 100.880-100.900 mm (3.971-3.972 in) |
| Piston diameter - coded 1.0 | 101.350-101.370 mm (3.990-3.991 in) |
| Piston-to-cylinder bore clearance | 0.030-0.050 mm (0.0012-0.002 in) |
| Piston ring end gap - top | 0.200-0.450 mm (0.008-0.018 in) |
| Piston ring end gap - bottom | 0.40-0.60 mm (0.015-0.024 in) |
| Piston ring groove width - top | 1.23-1.25 mm (0.0484-0.0492 in) |
| Piston ring groove width - bottom | 1.52-1.54 mm (0.0598-0.0606 in) |
| Piston ring groove width - oil ring | 3.01-3.03 mm (0.1185-0.1193 in) |
| Piston ring width - top | 1.175-1.190 mm (0.0463-0.0469 in) |
| Piston ring width - bottom | 1.475-1.490 mm (0.0581-0.0587 in) |
| Piston ring-to-groove clearance - top | 0.040-0.075 mm (0.0016-0.0030 in) |
| Piston ring-to-groove clearance - bottom | 0.030-0.065 mm (0.0012-0.0026 in) |
| Piston pin bore diameter | 23.958-23.976 mm (0.943-0.944 in) |
| Piston pin diameter (red) | 23.994-23.997 mm (0.0002-0.0003 in) |
| Piston pin diameter (blue) | 23.997-24.000 mm (0.9447-0.9449 in) |
| Piston pin length | 72.0-72.8 mm (2.835-2.866 in) |
| Piston pin-to-piston fit | 0.01-0.016 mm (0.0004-0.0006 in) |
| Piston pin-to-connecting rod clearance | 0.01-0.016 mm (0.0004-0.0006 in) |
| Connecting rod pin bore diameter | 23.958-23.976 mm (0.943-0.944 in) |
| Connecting rod length (center-to-center) | 145.965-146.035 mm (5.746-5.749 in) |
| Connecting rod maximum allowed bend | 0.0125 mm (0.00049 in) per 25.4 mm (1.000 in) |
| Connecting rod maximum allowed twist | 0.038 mm (0.0015 in) per 25.4 mm (1.000 in) |
| Connecting rod bearing bore diameter | 56.82 mm - 56.84 mm (2.237 in - 2.238 in) |
| Connecting rod bearing-to-crankshaft clearance | 0.008-0.061 mm (0.0003-0.0024 in) |
| Connecting rod side clearance | 0.092-0.268 mm (0.0036-0.0106 in) |
| Accessory Drive Belt | |
| Drive belt | 6 ribs |
ENGINE (4.0L SOHC) GENERAL SPECIFICATIONS
TORQUE SPECIFICATIONS
| Description | Nm | Lb-ft | Lb-in |
|---|---|---|---|
| A/C compressor manifold bolt | 20 | 15 | |
| A/C hose bracket nut | 20 | 15 | |
| Accelerator control splash shield bolts | 4 | 35 | |
| Accessory drive belt tensioner bolts | 25 | 18 | |
| Accessory drive belt idler pulley bolt | 47 | 35 | |
| Balance shaft bolts | 27 | 20 | |
| Balance shaft chain guide | 10 | 89 | |
| Balance shaft tensioner bolts | 29 | 21 | |
| Camshaft bearing cap bolts (1) | |||
| Camshaft sprocket bolt | 85 | 63 | |
| Cassette and sprocket to jackshaft bolt (1) | |||
| Cassette bolt, LH | 19 | 14 | |
| Cassette bolt, RH | 12 | 9 | |
| Connecting rod bolts (1) | |||
| Crankshaft pulley bolts (1) | |||
| Cylinder head bolts (2) | |||
| Accessory bracket bolts | 42 | 31 | |
| Exhaust gas recirculation (EGR) valve bolts | 20 | 15 | |
| EGR valve tube | 34 | 25 | |
| EGR vacuum regulator solenoid bolts | 10 | 89 | |
| Engine electrical connector | 6 | 53 | |
| Engine front cover bolts | 19 | 14 | |
| Engine lifting eye bolts | 37 | 27 | |
| Electrical harness to rear of engine bolts | 47 | 35 | |
| Lower engine mount bracket nuts | 90 | 66 | |
| Motor mount through bolt | 103 | 76 | |
| Fuel line bracket to valve cover bolt | 8 | 71 | |
| Exhaust gas recirculation (EGR) tube bracket bolts | 10 | 89 | |
| EGR valve tube fittings | 40 | 30 | |
| Exhaust manifold nuts | 22 | 16 | |
| Exhaust manifold to exhaust pipe bolts | 40 | 30 | |
| Flywheel bolts (1) | |||
| Front cassette bolt | 19 | 14 | |
| Front cylinder head bolts (1) | |||
| Fuel injection supply manifold bolts | 24 | 18 | |
| Generator bracket bolts | 42 | 31 | |
| Ground wire bolt | 10 | 89 | |
| Heater hose bracket bolts | 37 | 27 | |
| Hydraulic camshaft tensioner, RH (1) | |||
| Hydraulic camshaft tensioner, LH (1) | |||
| Ignition coil bracket to accessory bracket bolts | 10 | 89 | |
| Ignition coil bracket to cylinder head bolts | 10 | 89 | |
| Intake manifold bolts | 10 | 89 | |
| Jackshaft chain guide bolts | 19 | 14 | |
| Jackshaft chain tensioner bolts | 10 | 89 | |
| Jackshaft rear sprocket bolt (1) | |||
| Jackshaft front sprocket bolt (1) | |||
| Jackshaft thrust plate bolts | 11 | 8 | |
| Knock sensor bolt | 20 | 15 | |
| Ladder frame bolts and nuts (outside) | 10 | 89 | |
| Ladder frame bolts (inside) (1) | |||
| Ladder frame Torx® bolts | 8 | 71 | |
| Ladder frame inserts | 3 | 27 | |
| Lower engine mount bracket bolts | 80 | 59 | |
| Main bearing cap bolts | 97 | 72 | |
| Oil bypass filter | 13 | 10 | |
| Oil filter adapter bolt | 57 | 42 | |
| Oil level indicator tube bracket bolt | 10 | 89 | |
| Oil pan bolts | 9 | 80 | |
| Oil pan drain plug | 26 | 19 | |
| Oil pressure sensor | 14 | 10 | |
| Oil pump bolts | 19 | 14 | |
| Oil pump drive assembly | 19 | 14 | |
| Oil pump screen cover and tube bolts | 11 | 8 | |
| Powertrain control module (PCM) bolt | 6 | 53 | |
| Powertrain control module (PCM) ground wire nut | 10 | 89 | |
| Power steering pressure line nut | 18 | 13 | |
| Radiator fan shroud, upper | 7 | 62 | |
| Rear cassette bolt | 12 | 9 | |
| Spark plug | 20 | 15 | |
| Thermostat housing bolts | 11 | 8 | |
| Transmission cooler line bracket bolt | 47 | 35 | |
| Transmission to engine bolts | 47 | 35 | |
| Torque converter to flywheel nuts | 47 | 35 | |
| Upper engine mount bracket nuts | 110 | 81 | |
| Valve cover bolts | 10 | 89 | |
| Vapor management valve (VMV) hose bracket | 15 | 11 | |
| Coolant pump bolts | 10 | 89 | |
| (1) See appropriate Item Assembly Note under ASSEMBLY. (2) Items 36-37 and 39-40: LH and RH Cylinder Head Assembly Note | |||
| (1) | See appropriate Item Assembly Note under ASSEMBLY. |
| (2) | Items 36-37 and 39-40: LH and RH Cylinder Head Assembly Note |
ENGINE (4.0L SOHC) TORQUE SPECIFICATIONS
The 4.0L SOHC engine consists of the following
- single overhead camshafts
- sequential multiport fuel injection (SFI)
- distributorless ignition system
- aluminum cylinder heads
- cast iron, 60-degree V cylinder block
- balance shaft (4x4 vehicles)
- jackshaft
- unique engine timing configuration
For quick identification, refer to the vehicle control information decal mounted under the hood.
- An engine identification label is attached to the engine. The label identifies the symbol code for determining parts usage.
Scheme 90
Scheme 91
Scheme 92
Scheme 93
The accessory drive
- has a single serpentine drive belt (six ribs).
- has an automatic tensioner.
- is not adjustable.
See also:
• SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE