Section 19 (Engine - 6.8L): Specifications
WARNING: This page is about a different variant/trim than selected.
GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Displacement (CID) | 6.8L (415) |
| No. Cylinder | 10 |
| Bore/Stroke | 90.215/105.8 mm |
| Fire Order | 1-6-5-10-2-7-3-8-4-9 |
| Oil Pressure 93.33°C (200°F) | 18 psi @ 650 rpm-100 psi @ 4,000 rpm |
| Cylinder Head/Valve Train | |
| Combustion Chamber Volume | 52.6 - 51.6 cc |
| Valve Seat Width - Intake | 2.1-1.9 mm |
| Valve Seat Width - Exhaust | 2.1-1.9 mm |
| Valve Seat Angle | 45.00-44.50 degrees |
| Valve Seat Runout (T.I.R.) | 0.025 mm |
| Valve Arrangement (Front to Rear) | |
| Valve Stem Guide Clearance | |
| Intake | 0.069-0.020 mm |
| Exhaust | 0.095-0.045 mm |
| Valve Head Diameter | |
| Intake | 44.63-44.37 mm |
| Exhaust | 34.12-33.88 mm |
| Valve Face Runout (Limit) | 0.05 mm |
| Valve Face Angle | 45.75-45.25 degrees |
| Valve Stem Diameter | |
| Intake | 6.995-6.975 mm |
| Exhaust | 6.970-6.949 mm |
| Valve Spring Compression Pressure | |
| Intake (N @ Spec. Length) | 667.3 N @ 28.02 mm |
| Exhaust (N @ Spec. Length) | 667.3 N @ 28.02 mm |
| Valve Spring Free Length | |
| Intake | 50.2 mm |
| Exhaust | 50.2 mm |
| Valve Spring Installed Pressure N @ Spec. Length | |
| Intake | 289.1 N @ 40.01 mm |
| Exhaust | 289.1 N @ 40.01 mm |
| Valve Springs Installed Pressure N @ Spec. Length - Service Limit | |
| Intake | 274.6 mm @ 40.01 mm |
| Exhaust | 274.6 mm @ 40.01 mm |
| Valve Springs - Out of Square Limit | |
| Intake | 2.5 degrees |
| Exhaust | 2.5 degrees |
| Valve Guide Inside Diameter | 7.044-7.015 mm |
| Camshaft | |
| Lobe Lift | |
| Intake | 6.58077 mm |
| Exhaust | 6.58551 mm |
| Lobe Lift - Allowable Lift Loss | 0 |
| Valve Lift @ Zero Lash | |
| Intake | 12.00 mm |
| Exhaust | 12.00 mm |
| Camshaft End Play | 0.25-0.188 mm |
| End Play Service Limit | 0.025-0.188 mm |
| Journal to Bearing Clearance | 0.076-0.025 mm |
| Journal Diameters | 26.962-26.936 mm |
| Journal Inside Diameter (Cap Assembled) | 27.012-26.987 mm |
| Camshaft Runout: Full Indicator Measurement on all journals when supported on front and rear journals. | 0.09 mm (5 Places) |
| Cylinder Bore Diameter | |
| Grade 1 | 90.200-90.210 mm |
| Grade 2 | 90.210-90.220 mm |
| Grade 3 | 90.220-90.230 mm |
| Piston | |
| Piston Diameter (Grade 2) at Right Angle to Pin Bore | 90.180 ± 0.005 mm |
| Piston to Bore Clearance | (-0.005) to +0.025 mm |
| Pin Bore Diameter (Piston) | 22.008-22.014 mm |
| Pin Diameter | 22.0005-22.0030 mm |
| Clearance (Neg. or Pos.) | 0.01395-0.005 mm |
| Pin Bore Diameter (Rod) | 22.012-22.024 mm |
| Clearance | 0.009-0.0235 mm |
| Ring Groove Width | |
| Top | 1.503-1.505 mm |
| Intermediate | 1.502-1.504 mm |
| Oil Control | 3.030-3.050 mm |
| Piston Ring Gap | |
| Top | 0.13-0.28 mm |
| Intermediate | 0.25-0.40 mm |
| Oil Control | 0.15-0.65 mm |
| Crankshaft | |
| Main Bearing Journal Diameter | 67.482-67.504 |
| Maximum Out-of-Round | 0.0075 mm Between Cross Sections |
| Maximum Taper (Straightness) | 0.004 mm |
| Runout: FIM of center journals when located on front and rear journal | 0.05 mm 3 Places |
| Clearance - Crankshaft Journal to Main Bearing Clearance | 0.048-0.024 mm |
| Connecting Rod Journal Diameter | 53.003-52.983 mm |
| Maximum Out-of-Round | 0.0075 mm Between Cross Sections |
| Maximum Taper | 0.004 mm |
| Crankshaft End Play | 0.075-0.377 |
| Connecting Rod | |
| Big End Journal Inside Diameter with Assembled Liners | 53.049-53.027 mm |
| Rod Bearing to Journal Clearance | 0.064-0.026 mm |
| Pin Bore Diameter (Rod) | 22.024-22.012 mm |
| Balance Shaft System | |
| Balance Shaft Journal Diameter | 26.962 - 26.936 mm |
| Clearance - Balance Shaft Journal to Cylinder Head | 0.076 - 0.025 mm |
| Cylinder Head B/S Journal Diameter | 27.012 - 26.987 mm |
| Gear Backlash | 0.0076 - 0.1295 mm |
| Balance Shaft Endplay | 0.04 - 0.18 mm |
| Rod Length (Centerline Bore-to-Bore) | 169.1 mm |
| Alignment Bore-to-Bore Max. Twist | ± 0.05 mm |
| Bore-to-Bore Max. Bend | ± 0.038 mm |
| Side Play (As Assembled to Crank) | |
| Standard Play | 0.410 ± 0.26 mm |
| Max Play | 0.670 mm |
| Sealant and Lubricants | |
| Silicone Gasket and Sealant F7AZ-19554-EA | WSE-M4G323-A4 |
| Motorcraft Premium Engine Coolant VC-4-A (VC-5 in Oregon, CXC-10 in Canada) | ESE-M97B44-A |
| Motorcraft Premium Gold Engine Coolant VC-7-A | WSS-M97B51-A1 |
| Super Premium SAE 5W-20 Engine Oil XO-5W20-QSP | WSS-M2C153-H |
| Metal Surface Cleaner F4AZ-19A536-RA | WSE-M5B392-A |
TORQUE SPECIFICATIONS
| Description | N.m. | Ft. Lbs. | In. Lbs. | ||
|---|---|---|---|---|---|
| Balancer shaft bearing cap bolts and studs | 10 | - | 89 | ||
| Valve cover bolts | 10 | - | 89 | ||
| Camshaft bearing cap bolts | 10 | - | 89 | ||
| Camshaft sprocket bolts | (1) | (1) | (1) | ||
| Cylinder Head Temperature (CHT) Sensor | 26 N.m. | 19 Ft. Lbs. | - | ||
| Camshaft Position (CMP) Sensor Bolt | 10 N.m. | 7.38 Ft. Lbs. | 89 In. Lbs. | ||
| Crankshaft Position (CKP) Sensor Bolt | 10 N.m. | 7.38 Ft. Lbs. | 89 In. Lbs. | ||
| Connecting rod bolts | (1) | (1) | (1) | ||
| Crankshaft damper pulley bolt | (1) | (1) | (1) | ||
| Crankshaft main bearing bolts (cross mounted) | (1) | (1) | (1) | ||
| Crankshaft main bearing bolts (vertical) | (1) | (1) | (1) | ||
| Cylinder heads bolts | (1) | (1) | (1) | ||
| EGR valve to intake manifold bolts | (1) | (1) | (1) | ||
| Exhaust manifold nuts | 25 | 18 | - | ||
| Exhaust manifold studs | 12 | 9 | - | ||
| Drive belt idler pulley bolt | 25 | 18 | - | ||
| Flexplate bolts | 80 | 59 | - | ||
| Engine front cover bolts (1-7) | 25 | 18 | - | ||
| Engine front cover bolts (6-15) | 47 | 35 | - | ||
| Fuel injection supply manifold bracket bolts | 10 | - | 89 | ||
| Heater return tube studs | 47 | 35 | - | ||
| Ignition coil | 6 | - | 53 | ||
| Knock sensor bolt | 20 | 15 | - | ||
| Lower intake manifold to upper intake manifold bolts | (1) | (1) | (1) | ||
| Upper intake manifold to cylinder head bolts | (1) | (1) | (1) | ||
| Intake manifold tuning valve screws | (1) | (1) | (1) | ||
| Oil cooler assembly to oil filter adapter bolts | 58 | 43 | - | ||
| Oil bypass filter | 16 | 12 | - | ||
| Oil filter adapter bolt | 25 | 18 | - | ||
| Oil filter adapter bolt | 47 | 35 | - | ||
| Oil filter adapter nut | 25 | 18 | - | ||
| Wiring harness bracket nut | 15 | 11 | - | ||
| Oil filter adapter stud | 12 | 9 | - | ||
| Oil level indicator bolt | 7 | - | 62 | ||
| Oil pan bolts | (1) | (1) | (1) | ||
| Oil pan drain plug | 14 | 10 | - | ||
| Oil pressure sender | 14 | 10 | - | ||
| Oil pump bolts | 10 | - | 89 | ||
| Oil pump screen cover and tube bolts | 10 | - | 89 | ||
| Oil pump screen and pickup tube spacer | 25 | 18 | - | ||
| Power steering pump bolts | 25 | 18 | - | ||
| Rear main oil seal retainer bolts | 10 | - | 89 | ||
| Spark plugs | 10 | - | 89 | ||
| Thermostat housing bolts | 18 | 13 | - | ||
| Idle air control valve screws | (1) | (1) | (1) | ||
| Throttle body spacer to intake manifold bolts | (1) | (1) | (1) | ||
| Throttle body to throttle body spacer bolts | (1) | (1) | (1) | ||
| Timing chain guide bolts | 10 | - | 89 | ||
| Timing chain hydraulic tensioner bolts | 25 | 18 | - | ||
| Water pump bolts | 25 | 18 | - | ||
| Water pump pulley bolts | 25 | 18 | - | ||
| Water temperature sensor | 20 | 15 | - | ||
| EGR valve to exhaust manifold tube fittings | (1) | (1) | (1) | ||
| Brake booster vacuum hose bracket nut | 11 | 8 | - | ||
| Power steering bracket upper bolts | 10 | - | 89 | ||
| Power steering bracket lower bolts | 40 | 30 | - | ||
| Fuel charging wiring connector bolt | 6 | - | 53 | ||
| 42-pin bulkhead connector bolts | 6 | - | 53 | ||
| Transmission cooler line nut | 25 | 18 | - | ||
| Wiring harness bracket nut | 15 | 11 | - | ||
| 42-pin connector bolt | 6 | - | 53 | ||
| Accelerator control splash shield bolts | 7 | - | 62 | ||
| Oil cooler insert | 57 | 42 | - | ||
| Engine mount cross bolts | 63 | 46 | - | ||
| Engine mount through bolts | 80 | 59 | - | ||
| Engine mount nuts | 90 | 66 | - | ||
| Engine mount nuts | 90 | 66 | - | ||
| Engine mount bolts | 80 | 59 | - | ||
| Frame extension nuts and bolts | 150 | 111 | - | ||
| Second cross member to frame extension nuts and bolts | 133 | 98 | - | ||
| Crossbody brake line fittings | 25 | 18 | - | ||
| Cable bracket nut | 25 | 18 | - | ||
| Ground strap nut | 25 | 18 | - | ||
| Dual converter Y-pipe nuts | 40 | 30 | - | ||
| Transmission mount nuts | 95 | 70 | - | ||
| Power steering pump bolts | 25 | 18 | - | ||
| Torque converter nuts | 40 | 30 | - | ||
| Transmission to engine bolts | 48 | 35 | - | ||
| Transmission shift cable bracket bolt | 10 | - | 89 | ||
| Accelerator cable bracket bolts | 10 | - | 89 | ||
| Engine oil indicator tube bracket bolt | 10 | - | 89 | ||
| Transmission oil pan bolts | 15 | 11 | - | ||
| Oil pressure sensor | 14 | 10 | - | ||
| Fan shroud bolts | 9 | - | 80 | ||
| EGR back pressure transducer nuts | 10 | - | 89 | ||
| Radio interference capacitor bolt | 10 | - | 89 | ||
| EVR solenoid bracket bolts | 10 | - | 89 | ||
| EGR transducer bracket bolts | 10 | - | 89 | ||
| Accumulator suction line nut | 8 | - | 71 | ||
| Wiring bracket nut | 25 | 18 | - | ||
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