| Lubricants and Sealants |
| Metal Surface Cleaner F4AZ-19A536-RA | WSE-M5B392-A |
| Silicone Gasket and Sealant F7AZ-19554-EA | WSE-M4G323-A4 |
| Motorcraft Premium Engine Coolant VC-4-A (in Oregon, VC-5; in Canada, Motorcraft CXC-10) | ESE-M97B44-A |
| Motorcraft Premium Gold Engine Coolant VC-7-A (in Oregon, VC-7-B) | WSS-M97B51-A1 |
| Pipe Sealant with Teflon® XW7Z-19554-AA | WSK-M2G350-A2 |
| SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP | WSS-M2C153-H |
| Motorcraft Silicone Brake Caliper Grease and Dielectric Compound XG-3 or equivalent | ESE-MIC171-A |
| Threadlock 262 E2FZ-19554-B | WSK-M2G351-A6 |
| Engine |
| Displacement | 4.6L (4V) (281 CID) |
| Number of cylinders | 8 |
| Bore | 90.2 mm (3.55 in) |
| Stroke | 90.0 mm (3.54 in) |
| Firing order | 1-3-7-2-6-5-4-8 |
| Oil pressure (hot 1,500 rpm) | 138-310 kPa |
| Oil capacity | 6 ± 0.25 (quarts U.S.) (1) |
| Compression ratio | 10.1:1 |
| Cylinder Head and Valve Train |
| Cylinder head gasket surface flatness | 0.10 mm (0.004 in) max. overall |
| Combustion chamber volume (cc) | 53.0 ± 1.5 cm 3 (cc 5 ) |
| Valve arrangement (front to rear) - intake, LH (2) | All primary |
| Valve arrangement (front to rear) - exhaust, LH (2) | All primary |
| Valve arrangement (front to rear) - intake, RH (2) | All primary |
| Valve arrangement (front to rear) - exhaust, RH (2) | All primary |
| Valve clearance - intake | 0.0445 mm (0.0018 in) |
| Valve clearance - exhaust | 0.0705 mm (0.0028 in) |
| Valve guide bore diameter | 7.015-7.044 mm (0.2762-0.2773 in) |
| Valve stem diameter - intake (standard) | 6.975-6.995 mm (0.2754-0.2746 in) |
| Valve stem diameter - exhaust (standard) | 6.949-6.970 mm (0.2744-0.2736 in) |
| Valve stem-to-guide clearance - intake | 0.020-0.069 mm (0.00078-0.00272 in) |
| Valve stem-to-guide clearance - exhaust | 0.046-0.095 mm (0.0018-0.0037 in) |
| Valve head diameter - intake | 37 mm (1.46 in) |
| Valve head diameter - exhaust | 30 mm (1.18 in) |
| Valve head diameter - gauge diameters | 35.0 and 28.0 mm (1.378-1.102 in) |
| Valve face runout | 0.05 mm (0.002 in) |
| Valve face angle | 45.5 degrees |
| Valve seat width | 1.8-2.2 mm (0.071-0.086 in) |
| Valve seat runout (T.I.R.) max. | 0.05 mm (0.002 in) |
| Valve seat angle | 45 degrees |
| Valve spring free length (approx.) | 45.5 mm (1.6598 in) |
| Valve spring squareness | 2 degrees |
| Valve spring compression pressure | 711.47 N @ 26.19 mm (159.9 lb-ft @ 1.031 in) |
| Valve spring installed height | 36.14 mm (1.4228 in) |
| Valve spring installed pressure | 289.1 N @ 36.14 mm (64.99 lb-ft @ 1.4228 in) |
| Valve spring installed pressure - service limit | 10% pressure loss @ 28.02 mm (1.103 in) |
| Roller follower ratio | 1.8:1 |
| Hydraulic Lash Adjuster |
| Diameter (standard) | 16.000-15.988 mm (0.6299-0.6294 in) |
| Clcaratice-to-bore | 0.018-0.069 mm (0.000709-0.002717 in) |
| Service limit | 0.016 mm (1.0006299 in) |
| Hydraulic leakdown rate (3) | 5-25 seconds |
| Collapsed lash adjuster gap - desired | 0.45-0.85 mm (0.0177-0.0334 in) |
| Camshaft |
| Theoretical valve lift @ 0 lash | 10.0 mm (0.3937 in) |
| Lobe lift | 5.54 mm (0.218 in) |
| Allowable lobe lift loss | 0.130 mm (0.0051 in) |
| Journal diameter (all) | 26.962-26.936 mm (1.0615-1.0605 in) |
| Camshaft journal bore inside diameter (all) | 27.012-26.987 mm (1.0635-1.0625 in) |
| Camshaft journal-to-bearing clearance | 0.025-0.076 nun (0.00098-0.002992 in) |
| Camshaft journal-to-bearing clearance - service limit | 0.100 mm (0.003937 in) max. |
| Runout | 0.025 mm (0.0010 in) |
| End play | 0.025-0.165 mm (0.00098-0.00649 in) |
| End play - service limit | 0.190 mm (0.007480 in) |
| Cylinder Block |
| Cylinder bore diameter - surface finish (RMS) (4) | 0.2-0.6 microns |
| Cylinder bore diameter - out-of-round limit (4) | 0.015 mm (0.0006 in) |
| Cylinder bore diameter - out-of-round service limit (4) | 0.020 mm (0.0008 in) |
| Cylinder bore diameter - taper service limit (4) | 0.006 mm (0.0002 in) |
| Cylinder bore maximum taper | 0.006 mm (0.0002 in) |
| Cylinder bore maximum out-of-round | 0.015 mm (0.0006 in) |
| Main bearing bore inside diameter | 72.400-72.424 mm (2.1504-2.8513 in) |
| Camshaft bearing bore inside diameter | 26.987-27.012 mm (1.0625-1.0635 in) |
| Head gasket surface flatness | 0.15 mm (0.006 in) max. overall |
| Crankshaft |
| Main bearing journal diameter | 67.481-67.505 mm (2.6567269-2.6576718 in) |
| Main bearing journal maximum taper | 0.004 mm (0.0002 in) |
| Main bearing journal maximum out-of-round | 0.006 mm (0.0002 in) |
| Main bearing journal-to-cylinder block clearance - desired | 0.025-0.045 mm (0.00098-0.00177 in) |
| Main bearing journal-to-cylinder block clearance - allowable | 0.025-0.050 mm (0.00098-0.00197 in) |
| Connecting rod journal diameter | 52.983-53.003 mm (2.085941-2.086728 in) |
| Connecting rod journal maximum taper | 0.004 mm (0.0002 in) |
| Connecting rod journal maximum out-of-round | 0.004 mm (0.0002 in) |
| Crankshaft maximum end play | 0.130-0.301 mm (0.005118-0.011850 in) |
| Piston and Connecting Rod |
| Piston diameter - standard 1 (5) | 0.028 mm (0.0010 in) |
| Piston diameter - coded red 1 (5) | 90.167-90.188 mm (3.299-3.5505 in) |
| Piston diameter - coded blue 2 (5) | 90.180-90.195 mm (3.5504-3.5510 in) |
| Piston diameter - coded yellow 3 (5) | 90.198-90.208 mm (3.5511-3.5515 in) |
| Piston-to-cylinder bore clearance | 0.010/+0.026 mm (-0.0003937/+0.0010236 in) |
| Piston ring end gap - compression (top) (6) | 0.150-0.300 mm (0.006-0.0018 in) |
| Piston ring end gap - compression (bottom) (6) | 0.300-0.550 mm (0.0018-0.0022 in) |
| Piston ring end gap - oil ring (steel rail) (6) | 0.15-0.66 mm (0.00591-0.02598 in) |
| Piston ring groove width - compression (***lop) | 1.230-1.250 mm (0.484-0.0492 in) |
| Piston ring groove width - compression (bottom) | 1.520-1.540 mm (0.05984-0.06062 in) |
| Piston ring groove width - oil ring | 3.030-3.055 mm (0.1193-0.1203 in) |
| Piston ring width - compression (lop and bottom) | 1.00 mm (0.03937 in) max. |
| Piston ring width - oil ring | 1.15 mm (0.04528 in) max. |
| Piston ring-to-groove clearance - compression (top) | 0.0090-0.0235 mm (0.000354-0.000925 in) |
| Piston ring-to-groove clearance - compression (bottom) | 0.030-0.080 mm (0.00118-0.00315 in) |
| Piston ring-to-groove clearance - oil ring | Snug fit |
| Piston pin bore diameter | 21.9985-22.0035 mm (0.8661-0.8663 in) |
| Piston pin diameter | 22.0005-22.0030 mm (0.8661596-0.8662581 in) |
| Piston pin length | 61.601-62.030 mm (2.42523-2.44212 in) |
| Piston pin-to-piston fit (7) | 0.0045/+0.002 mm (-0.000177/+0.0000787 in) |
| Connecting rod-to-pin clearance - standard | 0.004-0.0175 mm (0.000157-0.00689 in) |
| Connecting rod-to-pin clearance - service limit | 0.35 mm (0.001378 in) |
| Connecting rod pin bore diameter | 21.9985-22.0025 mm (0.866081-0.866238 in) |
| Connecting rod length (center-to-center) | 150.7 mm (5.933 in) |
| Connecting rod maximum allowed bend | 0.038 per 25 mm (0.00150 per 0.9843 in) |
| Connecting rod maximum allowed twist | 0.050 per 25 mm (0.00197 per 0.9843 in) |
| Connecting rod bearing bore diameter | 56.866-56.886 mm (2.23881-2.23960 in) |
| Connecting rod bearing-to-crankshaft clearance - desired and allowable | 0.027-0.069 mm (0.0010629-0.0027165 in) |
| Connecting rod side clearance (assembled to crank) - standard | 0.15-0.45 mm (0.00591-0.01772 in) |
| Connecting rod side clearance (assembled to crank) - service limit | 0.50 mm (0.01969 in) max. |
| (1) With installation of a new filter. (2) P=Primary, S=Secondary, E=Exhaust (3) Time necessary for plunger to leak down 1.6 mm of travel with 222 N force and leak down fluid in tappet. (4) Cylinder bore diameter: Red - 90.200-90.213; Blue - 90.213-90.226; Yellow - 90.226-90.239 (5) Measured at 42 mm from piston dome, at 90 degrees to the piston pin. (6) Specification in 90.200 mm diameter gauge. (7) Piston pin outer diameter is larger than piston pin bore, providing a possible interference fit. |
