GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Lubricants and Sealants | |
| Motorcraft SAE 5W-30 Premium Synthetic Blend Motor Oil XO-5W30-QSP (US); Motorcraft SAE 5W-30 Super Premium Motor Oil CXO-5W30-LSP12 (Canada); or equivalent | WSS-M2C929-A |
| Motorcraft Premium Gold Engine Coolant with Bittering Agent (US only) VC-7-B (US); CVC-7-A (Canada); or equivalent (yellow color) | WSS-M97B51-A1 |
| Motorcraft Metal Surface Prep ZC-31 | |
| Silicone Gasket Remover ZC-30 | |
| Silicone Gasket and Sealant TA-30 | WSE-M4G323-A4 |
| Silicone Brake Caliper Grease and Dielectric Compound XG-3-A | ESE-M1C171-A |
| Threadlock and Sealer TA-25 | WSK-M2G351-A5 |
| Thread Sealant with PTFE TA-24 | WSK-M2G350-A2 |
| Engine | |
| Displacement | 4.0L (244 CID) |
| Number of cylinders | 6 |
| Bore | 100.4 mm (3.953 in) |
| Stroke | 84.4 mm (3.32 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 (0.061-0.095 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 (1.569-1.609 in) |
| Valve spring installed pressure | 320 newtons (72 lb) |
| Roller follower ratio | 1.98:1 |
| Camshaft | |
| Theoretical valve lift @ 0 lash | 11.93 mm (0.472 in) |
| 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 (0.003-0.007 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) |
| Main Bearings | |
| Clearance to crankshaft | 0.021-0.039 mm (0.0008-0.0015 in) |
| Clearance to crankshaft allowable | 0.013-0.048 mm (0.0005-0.002 in) |
| Bearing wall thickness | 1.8-1.806 mm (0.0709-0.0711 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 (0.016-0.024 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 (0.9446-0.9448 in) |
| Piston pin diameter (blue) | 23.997-24.000 mm (0.9448-0.9449 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 (5.747-5.749 in) |
| Connecting rod maximum allowed bend | Mm (0.0005 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) |
GENERAL SPECIFICATIONS
TORQUE SPECIFICATIONS
| Description | Nm | Lb-ft | Lb-in |
|---|---|---|---|
| Accessory drive belt tensioner bolt | 47 | 35 | |
| Accessory drive belt idler pulley bolt | 47 | 35 | |
| Balance shaft bolts | 27 | 20 | |
| Balance shaft chain guide bolts | 10 | 89 | |
| Balance shaft chain tensioner bolts | 29 | 21 | |
| Bell housing-to-cylinder block cradle bolts | 47 | 35 | |
| Camshaft bearing cap bolts (1) | |||
| Camshaft position (CMP) sensor bolt | 6 | 53 | |
| Camshaft sprocket bolt | 85 | 63 | |
| Camshaft tensioners | 44 | 32 | |
| Catalytic converter-to-exhaust manifold nuts | 40 | 30 | |
| Connecting rod bolts and nuts (1) | |||
| Coolant hose bracket | 45 | 33 | |
| Coolant pump bolts | 10 | 89 | |
| Coolant tube bracket bolt (M8) | 23 | 17 | |
| Coolant tube bracket bolt (M12) | 34 | 25 | |
| Crankshaft position (CKP) sensor bolts | 10 | 89 | |
| Crankshaft pulley bolt (1) | |||
| Crankshaft main bearing cap bolts (1) | |||
| Cylinder block cradle bolts and nuts (outside) | 9 | 80 | |
| Cylinder block cradle bolts (inside) (1) | |||
| Cylinder block cradle Torx® bolts | 10 | 89 | |
| Cylinder block cradle rear Torx® bolts | 8 | 71 | |
| Cylinder block cradle inserts | 3 | 27 | |
| Cylinder head bolts (M8) (1) | |||
| Cylinder head bolts (M12) (1) | |||
| Engine wiring harness-to-cylinder head bolts | 40 | 30 | |
| Engine front cover bolts | 19 | 14 | |
| Engine mount bracket bolts | 80 | 59 | |
| Engine mount nut | 63 | 46 | |
| Engine mount bolts | 70 | 52 | |
| Exhaust manifold-to-exhaust gas recirculation (EGR) system module tube fittings | 39 | 29 | |
| Exhaust manifold nuts | 23 | 17 | |
| Flexplate/flywheel bolts (1) | |||
| Front engine accessory drive (FEAD) bracket bolts | 48 | 35 | |
| Fuel rail bolts | 23 | 17 | |
| Fuel rail supply tube bracket-to-LH valve cover bolt | 6 | 53 | |
| Fuel rail supply tube bracket-to-LH cylinder head bolt | 10 | 89 | |
| Generator bracket bolts and nut | 47 | 35 | |
| Generator B+ terminal nut | 8 | 71 | |
| Ground strap-to-cylinder block stud bolt | 10 | 89 | |
| Ground wire-to-LH cylinder head bolt | 40 | 30 | |
| Hood hinge bolts | 12 | 9 | |
| Hydraulic camshaft tensioner, LHa | |||
| Hydraulic camshaft tensioner, RH (1) | |||
| Ignition coil bracket upper bolts | 9 | 80 | |
| Ignition coil bracket lower bolts (M12) | 34 | 25 | |
| Ignition coil bracket lower bolt (M8) | 24 | 18 | |
| Intake manifold bolts (1) | |||
| Jackshaft chain guide bolts | 19 | 14 | |
| Jackshaft chain tensioner bolts | 9 | 80 | |
| Jackshaft rear sprocket bolt (1) | |||
| Jackshaft front sprocket bolt (1) | |||
| Jackshaft thrust plate bolts | 11 | 8 | |
| Knock sensor (KS) bolt | 20 | 15 | |
| LH cassette-to-cylinder head bolt | 12 | 9 | |
| LH cassette-to-cylinder block bolt | 19 | 14 | |
| Oil filter adapter bolt | 57 | 42 | |
| Oil level indicator tube bracket bolt | 11 | 8 | |
| Oil pan bolts | 11 | 8 | |
| Oil pan drain plug | 26 | 19 | |
| Oil pump pickup tube bolt | 11 | 8 | |
| Oil pump intermediate shaft bolts | 19 | 14 | |
| Oil pump bolts | 19 | 14 | |
| Oil pump drive bolt | 19 | 14 | |
| Oil pump screen and pickup tube bolt | 10 | 89 | |
| Power distribution box B+ terminal bolt | 12 | 9 | |
| Power distribution box electrical connector bolt | 6 | 53 | |
| Power steering pressure (PSP) tube-to-crossmember bolt | 11 | 8 | |
| Power steering supply hose bracket-to-FEAD bracket bolt | 11 | 8 | |
| Power steering pump bolts | 25 | 18 | |
| Power steering pump pulley bolts | 25 | 18 | |
| Pressure tube bracket nut | 7 | 62 | |
| RH cassette-to-cylinder block bolt | 12 | 9 | |
| RH cassette-to-cylinder head bolt | 10 | 89 | |
| Spark plug | 17 | 13 | |
| Steering column intermediate shaft-to-steering gear bolt | 25 | 18 | |
| Steering gear-to-crossmember bolts | 115 | 85 | |
| Suction hose bracket bolt | 8 | 71 | |
| Thermostat housing bolts | 11 | 8 | |
| Throttle body (TB) bolts | 10 | 89 | |
| Valve cover bolts and stud bolts | 10 | 89 | |
| (1) Refer to the appropriate procedure in this article. | |||
| (1) | Refer to the appropriate procedure in this article. |
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 (manual transmission only)
- Jackshaft
- Unique engine timing configuration
For quick identification, refer to the vehicle control information decal mounted under the hood.
- Refer to «IDENTIFICATION CODES»(ref-256444) .
An engine identification label is attached to the engine. The label
- identifies the symbol code for determining parts usage. Refer to «IDENTIFICATION CODES»(ref-256444) .
For basic mechanical concerns, refer to ENGINE SYSTEM-GENERAL INFORMATION .
For driveability concerns, refer to the INTRODUCTION - GASOLINE article.
See also:
• AUTOMATIC TRANSAXLE/TRANSMISSION