Operation CHARM: Car repair manuals for everyone.

General

4.6 L Engine
Motorcraft Premium Engine Coolant
Do not mix coolant types.
Green in color
Motorcraft Premium Gold Engine Coolant VC-7-A
Do not mix coolant types.
Yellow in color
Fluid Type Super Premium SAE 5W-20 Motor Oil
Engine Oil Refill Capacity (Includes Filter Change) 6.0 qts
Displacement L (CID) 4.6L (281)
Number of cylinders 8
Bore and stroke 90.2 x 90.0 mm
Firing order 1-3-7-2-6-5-4-8
Oil pressure (HOT @ 1500 rpm) 138-310 kPa
Drive belt tension see note
Newly installed-Refers to the condition of the NEW drive belt before the engine has made no more than one rotation and before the belt has had a chance to stretch or seat into the pulley grooves.
Cylinder head and valve train
head gasket surface-WT = 10.0/2.5. Head gasket surface finish-RZU-13.5 microns. Filter cut off at 0.08 mm, TPI Q- 3.5 microns below the peak 63% min. cutoff at 0.8 mm, 0 Ref=2V.
Combustion chamber volume 52 +/- 5 cm
Time required for the plunger to leak down 1.6 mm of travel with 222 N force and leak-down fluid in tappet.
Valve seats width-intake 0.075-0.083 inch
Valve seats width-exhaust 0.075-0.083 inch
Valve seats angle 44.51-45.01degrees
Valve seats runout (T.l.R.) max 0.0010 inch
Valve arrangement (front-to-rear) (Left Hand) E-l-E-I-E-I-E-I
(Right Hand) I-E-I-E-I-E-I-E
Valve stem to guide Clearance Intake 0.00079-0.00272 inch
Exhaust 0.0018-0.0037 inch
Valvehead diameter Intake 1.75 inch
Exhaust 1.34 inch
Valvehead diameter-gauge diameters 1.67 and 1.26 inch
Valve face runout limit 0.002 inch
Valve face angle 45.25-45.75 degrees
Valve stem diameter (Std) intake 0.275-0.2746 inch
exhaust 0.274-0.2736 inch
Valve springs- compression pressure N @ spec. length Intake 587.14N by 28.02mm (1.10 inch)
Exhaust 587.14N @ 28.02mm (1.10 inch)
Valve springs-free length Intake 1.951 inch
Exhaust 1.951 inch
Valve springs-installed pressure N @ spec. length Intake 244.64N @ 40.0 mm (1.57 inch)
exhaust 244.64N @ 40.0 mm (1.57 inch)
Valve springs-installed N @ spec. length service limit 10 % pressure less pressure 1.10 inch
Valve springs-installed N @ spec. length out of square limit 2 degrees pressure
Valve guide inner diameter 0.00079-0.03740 inch
Rocker arm-ratio 1.75:1
Valve tappet-diameter (Std) 0.66-0.629 inch
Valve tappet-clearance to bore 0.00071-0.00272 inch
Valve tappet-service limit 0.00063 inch
Valve tappet-hydraulic leakdown rate 5-25 seconds
Time required for the plunger to leak down 1.6 mm of travel with 222 N force and leak-down fluid in tappet.
Valve tappet-collapsed valve tappet gap- desired 0.0335-0.0177 inch
Camshaft Lobe lift Intake 0.2594 inch
Exhaust 0.2594 inch
Lobe lift-allowable lobe lift loss 0
Theoretical valve lift @ zero lash Intake 0.472 inch
Exhaust 0.472 inch
End play 0.00098-0.0065 inch
Journal to bearing clearance 0.00098-0.003 inch
Journal to bearing clearance-service limit 0.0048 inch
Journal diameter (all) 1.061-1.060 inch
Journal diameter (all bearing inside diameter (all) 1.063-1.0625 inch
Camshaft runout 0.002 inch
Cylinder Bore Diameter-surface finish (RMS) 0.2-0.6 microns
Diameter-out-of-round limit 0.0006 inch
Diameter-out-of-round service limit 0.00079 inch
Diameter-taper service limit 0.00023 inch
Piston Piston-diameter-coded Red 1 3.550-3.551 inch
Piston-diameter-coded Blue 2 3.5507-3.5515 inch
Piston-diameter-coded Yellow 3 3.513-3.5521 inch
Piston-to-bore -clearance 0.0005-0.001 inch
Pin bore diameter 0.866-0.8663 inch
Ring groove width- compression (top) 0.06-0.610 inch
Ring groove width- compression (bottom) 0.060-0.0602 inch
Ring groove width-oil ring 0.275-0.2844 inch
Piston pin Length 2.44-2.443 inch
Diameter 0.866-0.8661 inch
Pin to piston clearance 0.0002-0.0004 inch
Pin to rod clearance 0.0006-0.00157 inch
Piston rings-ring gap -compression (top) 1.0 Max 0.0394 inch
Oil ring-side clearance 1.25 Max 0.05 inch
Oil ring-compression (top) 0.0016-0.0031 inch
Oil ring-compression (top) 0.0012-0.00031 inch
Oil ring snug fit
Oil ring-service limit (inch) 015 Max 0.0006 inch
Ring gap-compression (top) 0.01-0.02 inch
Ring gap-compression (bottom) 0.01-0.02 inch
Ring gap-oil ring (steel rail) 0.006-0.026 inch
Cylinder Block Head gasket surface see note
head gasket surface-WT = 10.0/2.5. Head gasket surface finish-RZU-13.5 microns. Filter cut off at 0.08 mm, TPI Q- 3.5 microns below the peak 63% min. cutoff at 0.8 mm, 0 Ref=2V.
Head gasket surface finish see note
head gasket surface-WT = 10.0/2.5. Head gasket surface finish-RZU-13.5 microns. Filter cut off at 0.08 mm, TPI Q- 3.5 microns below the peak 63% min. cutoff at 0.8 mm, 0 Ref=2V.
Main bearing bore diameter 2.85-2.851 inch
Crankshaft and Flywheel Main bearing journal diameter 2.65-2.657 inch
Connecting rod journal-diameter 2.0861-2.0867 inch
Crankshaft free end play 0.0051-.012 inch
Crankshaft runout to rear face of block 0.050 Max 0.002 inch
Connecting Rod Bearings Clearance to crankshaft-desired 0.001-0.0027 inch
Clearance to crankshaft-allowable 0.001-0.0027 inch
Bearing wall thickness (Std) 0.096-0.0965 inch
Main Bearings Clearance to crankshaft-desired 0.0011-0.0026 inch
Clearance to crankshaft-allowable 0.0011-0.0026 inch
Bearing wall thickness (Std) 0.075-0.076 inch
Connecting Rod, Piston and Rings Connecting rod-piston pin bore diameter 0.864-0.865 inch
Connecting rod-crankshaft bearing bore diameter 2.234-2.24 inch
Connecting rod-length (center-to-center) 5.93 inch
Alignment (bore-to-bore Max. Diff.) --Twist
Pin bore and crank bearing bore must be parallel and in same vertical plane within specified total difference when measured at the ends of 203 mm bar, 101.5 mm on each side of rod centerline.
0.050 per 25 mm (0.0015-0.984 inch)
Alignment (bore-to-bore Max. Diff. - bend 0.038 per 25 (0.0015-0.984 inch)
Side clearance (assembled to crank-standard 0.0006 0.0177 inch
Side clearance (assembled to crank-service limit 0.05 Max 0.02 inch
Crankshaft main bearing journal taper 0.0007 inch
Crankshaft main bearing journal runout 0.002 inch
Crankshaft connecting rod journal taper 0.0005 inch
5.4L Engine
Displacement 5.4L
No. cylinder 8
Bore/stroke 90.215/105.8 mm
Fire order 1-3-7-2-6-5-4-8
Cylinder Head/Valve Train Combustion chamber - volume 43.95 - 1.5 cc
Valve seat width-intake 0.0512-0.0591inch
Valve seat width-exhaust 0.0827-0.0748 inch
Valve seat angle 45.00-44.50 degrees
Valve seat runout (T.I.R.) 0.00098 inch
Valve Arrangement (Front to Rear) Valve stem guide clearance Intake 0.00272-0.00079 inch
Exhaust 0.00374-0.00177 inch
Valve head diameter Intake 1.757-1.747 inch
Exhaust 1.343-1.334 inch
Valve face runout (limit) 0.00197 inch
Valve face angle 45.75-45.25 degrees
Valve stem diameter Intake 0.2754-0.2736 inch
Exhaust 0.2744-0.2736 inch
Valve stem diameter (list oversizes) Intake N/A
Exhaust N/A
Valve spring compression pressure Intake (N @ spec. length) 720-800 N @ 28-02mm (1.10 inch)
Exhaust (N @ spec. length) 720-800 N by 28.02mm (1.10 inch)
Valve spring free length Intake 2.10 inch
Exhaust 2.10 inch
Valve spring installed pressure N @ spec. length Intake 287.19-321.19 N @ 42.56 mm (1.68 inch)
Exhaust 287.19-321.19 N @ 42.56 mm (1.68 inch)
Valve springs installed pressure N @ spec. length -service limit Intake 5% pressure loss @ 28.80 mm (1.13inch)
Exhaust 5% pressure loss @ 28.80 mm (1.13inch)
Valve springs-out of square limit Intake 2.0 degrees
Exhaust 2.0 degrees
Valve guide inside diameter 7.044-7.015 mm (0.2773-0.2761inch)
Camshaft Lobe Lift Exhaust 0.29517 inch
Intake 0.27994 inch
Lobe lift-allowable lift loss 0
Valve lift @ zero lash Intake 0.5122 inch
Exhaust 0.5413 inch
Camshaft end play 0.00106-0.00748 inch
End play service limit 0.00098-0.00748 inch
Journal to bearing clearance 0.00299-0.00098 inch
Clearance service limit Journal diameters 1.062-1.060 inch
Journal inside diameter (cap assembled) 1.063-1.102inch
Camshaft runout: Full indicator measurement on all journals when supported on front and rear journals. (4 places) 0.00118 inch
Cylinder bore diameter Grade 1 3.551-3.552 inch
Grade 2 3.5516-3.5510 inch
Grade 3 3.5516-3.5524 inch)
Piston Piston diameter (Grade 2) at right angle to pin bore 90.180 +/- 0.005
Piston to bore clearance (at Grade size) 0.00079-0.00177 inch
Pin bore diameter (piston) 0.8661-0.8663inch
Pin diameter 0.8658-0.8659 inch
Clearance 0.00023-.00049inch
Pin bore diameter (rod) 0.8666-0.8670 inch
Clearance 0.00073-0.01280 inch
Ring groove width Top 0.06024-0.06102 inch
Intermediate 0.05984-0.06063 inch
Oil control 0.1192-0.1201 inch
Piston ring gap Top 0.0051-0.0110 inch
Intermediate 0.0098-0.0157 inch
Oil control 0.0059-0.0256 inch
Crankshaft Main bearing journal diameter 2.657-2.658 inch
Maximum out-of-round 0.00029 inch between cross sections
Maximum taper (straightness) 0.00016 inch
Runout: FIM of center journals when located on front and rear journal 0.0020 inch (3 places)
Clearance-crankshaft journal to main bearing clearance 0.00189-0.00094 inch
Connecting rod journal diameter 2.087-2.125 inch
Maximum out-of-round 0.00029 inch between cross sections
Maximum taper 0.00016 inch
Crankshaft end play 0.00295-0.01484 inch
Connecting Rod Big end journal inside diameter with assembled liners 2.088-2.087 inch
Rod bearing to journal clearance 0.00252-0.00102 inch
Pin bore diameter (rod) 0.8671-0.8666 inch
Rod length (centerline bore-to-bore) 6.65 inch
Alignment Bore-to-bore Max. twist 0.00197 inch
Bore-to-bore Max. bend 0.00145 inch
Side play (as assembled to crank) Standard play 0.118 +/- 0.0069 inch
Side play (as assembled to crank) Standard play 0.118 +/- 0.0069 inch)