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#111
Senior Member
iTrader: (2)
Valves and related components
Valve arrangement (front to rear)
2009 and earlier
Left cylinder head E-I-E-I-E-I-E-I
Right cylinder head I-E-I-E-I-E-I-E
2010 and later (left and right cylinder heads) I-E-I-I-E-I-I-E-I-I-E-I
Intake valve
Seat angle 45 degrees
Seat width
2004 and earlier models 0.0748 to 0.0827 inch
2005 and later 5.4L models 0.0470 to 0.0550 inch
Seat runout limit 0.0010 inch maximum (total indicator reading)
Stem diameter, standard
2004 and earlier models 0.2746 to 0.2750 inch
2005 and later 5.4L models 0.2350 to 0.2360 inch
Valve stem-to-guide clearance
2004 and earlier models 0.0008 to 0.0027 inch
2005 and later 5.4L models 0.0010 to 0.0020 inch
Valve face angle 45.5 degrees
Valve face runout limit 0.002 inch maximum
Exhaust valve
Seat angle 45 degrees
Seat width
2009 and earlier 0.0748 to 0.0827 inch
2010 and later 0.055 to 0.063 inch
Seat runout limit 0.0010 inch maximum (total indicator reading)
Stem diameter, standard
2004 and earlier models 0.2740 to 0.2736 inch
2005 and later 5.4L models 0.2340 to 0.2350 inch
Valve stem-to-guide clearance
2004 and earlier models 0.0018 to 0.0037 inch
2005 and later 5.4L models 0.0030 to 0.0040 inch
Valve face angle 45.5 degrees
Valve face runout limit 0.0020 inch maximum
Valve spring
Free length
4.6L 1.951 inches
5.4L, 2004 and earlier 1.978 inches
5.4L 3V, 2005 and later 2.194 inches
Out-of-square limit 2 degrees maximum
Installed height
2004 and earlier models 1.576 inches
2005 and later 5.4L models 1.660 inches
Pressure, intake and exhaust
4.6L
Valve open 132 lbs at 1.104 inches
Valve closed 55 lbs at 1.576 inches
5.4L
Valve open 142 to 157 lbs at 1.104 inches
Valve closed 61 to 68 lbs at 1.576 inches
Valve spring pressure service limit 10 percent pressure loss at 1.104 inches
Hydraulic lash adjuster (lifter)
Diameter (standard)
2004 and earlier models 0.6304 to 0.6299 inch
2005 and later 5.4L models 0.6294 to 0.6299 inch
Lifter-to-bore clearance
Standard 0.0007 to 0.0027 inch
Service limit 0.0006 inch maximum
Collapsed lifter gap - desired
2004 and earlier models 0.0335 to 0.0177 inch
2005 and later 5.4L models 0.0180 to 0.0330 inch
Rocker arm ratio (roller cam followers) 1.75:1
Valve arrangement (front to rear)
2009 and earlier
Left cylinder head E-I-E-I-E-I-E-I
Right cylinder head I-E-I-E-I-E-I-E
2010 and later (left and right cylinder heads) I-E-I-I-E-I-I-E-I-I-E-I
Intake valve
Seat angle 45 degrees
Seat width
2004 and earlier models 0.0748 to 0.0827 inch
2005 and later 5.4L models 0.0470 to 0.0550 inch
Seat runout limit 0.0010 inch maximum (total indicator reading)
Stem diameter, standard
2004 and earlier models 0.2746 to 0.2750 inch
2005 and later 5.4L models 0.2350 to 0.2360 inch
Valve stem-to-guide clearance
2004 and earlier models 0.0008 to 0.0027 inch
2005 and later 5.4L models 0.0010 to 0.0020 inch
Valve face angle 45.5 degrees
Valve face runout limit 0.002 inch maximum
Exhaust valve
Seat angle 45 degrees
Seat width
2009 and earlier 0.0748 to 0.0827 inch
2010 and later 0.055 to 0.063 inch
Seat runout limit 0.0010 inch maximum (total indicator reading)
Stem diameter, standard
2004 and earlier models 0.2740 to 0.2736 inch
2005 and later 5.4L models 0.2340 to 0.2350 inch
Valve stem-to-guide clearance
2004 and earlier models 0.0018 to 0.0037 inch
2005 and later 5.4L models 0.0030 to 0.0040 inch
Valve face angle 45.5 degrees
Valve face runout limit 0.0020 inch maximum
Valve spring
Free length
4.6L 1.951 inches
5.4L, 2004 and earlier 1.978 inches
5.4L 3V, 2005 and later 2.194 inches
Out-of-square limit 2 degrees maximum
Installed height
2004 and earlier models 1.576 inches
2005 and later 5.4L models 1.660 inches
Pressure, intake and exhaust
4.6L
Valve open 132 lbs at 1.104 inches
Valve closed 55 lbs at 1.576 inches
5.4L
Valve open 142 to 157 lbs at 1.104 inches
Valve closed 61 to 68 lbs at 1.576 inches
Valve spring pressure service limit 10 percent pressure loss at 1.104 inches
Hydraulic lash adjuster (lifter)
Diameter (standard)
2004 and earlier models 0.6304 to 0.6299 inch
2005 and later 5.4L models 0.6294 to 0.6299 inch
Lifter-to-bore clearance
Standard 0.0007 to 0.0027 inch
Service limit 0.0006 inch maximum
Collapsed lifter gap - desired
2004 and earlier models 0.0335 to 0.0177 inch
2005 and later 5.4L models 0.0180 to 0.0330 inch
Rocker arm ratio (roller cam followers) 1.75:1
#112
Senior Member
iTrader: (2)
Crankshaft and connecting rods
Crankshaft
Endplay
4.6L 0.0051 to 0.012 inch
5.4L 0.0029 to 0.0148 inch
Runout to rear face of block (standard) 0.002 inch
Connecting rods
Connecting rod journal
Diameter
2004 and earlier models 2.0877 to 2.0883 inches
2005 and later 5.4L models 2.0859 to 2.0867 inches
Bearing oil clearance
4.6L 0.0011 to 0.0027 inch
5.4L 0.0010 to 0.0025 inch
Connecting rod side clearance (endplay)
Standard
2004 and earlier models 0.0006 to 0.0177 inch
2005 and later 5.4L models 0.0049 to 0.0187 inch
Service limit 0.0197 inch
Main bearing journal
Diameter
2009 and earlier models 2.650 to 2.657 inches
2010 and later models 2.6568 to 2.6576 inches
Bearing oil clearance
2004 and earlier models 0.0011 to 0.0027 inch
2005 and later 5.4L models 0.0009 to 0.0019 inch
Crankshaft
Endplay
4.6L 0.0051 to 0.012 inch
5.4L 0.0029 to 0.0148 inch
Runout to rear face of block (standard) 0.002 inch
Connecting rods
Connecting rod journal
Diameter
2004 and earlier models 2.0877 to 2.0883 inches
2005 and later 5.4L models 2.0859 to 2.0867 inches
Bearing oil clearance
4.6L 0.0011 to 0.0027 inch
5.4L 0.0010 to 0.0025 inch
Connecting rod side clearance (endplay)
Standard
2004 and earlier models 0.0006 to 0.0177 inch
2005 and later 5.4L models 0.0049 to 0.0187 inch
Service limit 0.0197 inch
Main bearing journal
Diameter
2009 and earlier models 2.650 to 2.657 inches
2010 and later models 2.6568 to 2.6576 inches
Bearing oil clearance
2004 and earlier models 0.0011 to 0.0027 inch
2005 and later 5.4L models 0.0009 to 0.0019 inch
#113
Senior Member
iTrader: (2)
Main bearing cap bolts (tighten first)
First step 30
Second step Rotate and additional 90-degrees
Main bearing cap - jack screws (REP engines only, tighten second)
First step 44 in-lbs
Second step 89 in-lbs
Main bearing cap - side bolts (tighten third)
REP engines
First step 89 in-lbs
Second step 14 to 17
WEP engines
First step 22
Second step Rotate and additional 90-degrees
Connecting rod cap nuts
First step 29 to 33
Second step Rotate an additional 90 to 120-degrees
First step 30
Second step Rotate and additional 90-degrees
Main bearing cap - jack screws (REP engines only, tighten second)
First step 44 in-lbs
Second step 89 in-lbs
Main bearing cap - side bolts (tighten third)
REP engines
First step 89 in-lbs
Second step 14 to 17
WEP engines
First step 22
Second step Rotate and additional 90-degrees
Connecting rod cap nuts
First step 29 to 33
Second step Rotate an additional 90 to 120-degrees
#114
Senior Member
iTrader: (2)
Torque specifications*
Ft-lbs (unless otherwise indicated)
Note:
One foot-pound (ft-lb) of torque is equivalent to 12 inch-pounds (in-lbs) of torque. Torque values below approximately 15 ft-lbs are expressed in inch-pounds, since most foot-pound torque wrenches are not accurate at these smaller values.
Camshaft sprocket bolt 30 to 36
Camshaft thrust plate bolts 72 to 120 in-lbs
Balance shaft thrust plate bolts 72 to 120 in-lbs
Timing chain cover-to-block bolts 15 to 22
Water pump-to-timing chain cover bolts 15 to 22
Oil pan-to-block bolts
Step 1 36 to 44 in-lbs
Step 2 80 to 106 in-lbs
Oil pan-to-transmission bolts 29 to 38
Oil pump and filter body to front cover
8-mm bolts 15 to 22
6-mm bolts 71 to 97 in-lbs
Cylinder head bolts (oiled)
Step 1 168 in-lbs
Step 2 29
Step 3 36
Step 4 Loosen 3 turns (DO NOT loosen all the bolts at the same time, from this point on work on one bolt at a time) (see Section 7 )
Step 5
Long bolts 30 to 36
Short bolts 15 to 22
Step 6 (all bolts) Tighten an additional 175 to 185-degrees
Rocker arm fulcrum bolts 23 to 29
Lower intake manifold-to-cylinder head bolts
Step 1 44 in-lbs
Step 2 89 in-lbs
Exhaust manifold bolts 15 to 22
Crankshaft pulley-to-vibration damper bolts 20 to 28
Valve cover bolts 71 to 102 in-lbs
Vibration damper bolt 103 to 117
Flywheel/driveplate mounting bolts 54 to 64
Ft-lbs (unless otherwise indicated)
Note:
One foot-pound (ft-lb) of torque is equivalent to 12 inch-pounds (in-lbs) of torque. Torque values below approximately 15 ft-lbs are expressed in inch-pounds, since most foot-pound torque wrenches are not accurate at these smaller values.
Camshaft sprocket bolt 30 to 36
Camshaft thrust plate bolts 72 to 120 in-lbs
Balance shaft thrust plate bolts 72 to 120 in-lbs
Timing chain cover-to-block bolts 15 to 22
Water pump-to-timing chain cover bolts 15 to 22
Oil pan-to-block bolts
Step 1 36 to 44 in-lbs
Step 2 80 to 106 in-lbs
Oil pan-to-transmission bolts 29 to 38
Oil pump and filter body to front cover
8-mm bolts 15 to 22
6-mm bolts 71 to 97 in-lbs
Cylinder head bolts (oiled)
Step 1 168 in-lbs
Step 2 29
Step 3 36
Step 4 Loosen 3 turns (DO NOT loosen all the bolts at the same time, from this point on work on one bolt at a time) (see Section 7 )
Step 5
Long bolts 30 to 36
Short bolts 15 to 22
Step 6 (all bolts) Tighten an additional 175 to 185-degrees
Rocker arm fulcrum bolts 23 to 29
Lower intake manifold-to-cylinder head bolts
Step 1 44 in-lbs
Step 2 89 in-lbs
Exhaust manifold bolts 15 to 22
Crankshaft pulley-to-vibration damper bolts 20 to 28
Valve cover bolts 71 to 102 in-lbs
Vibration damper bolt 103 to 117
Flywheel/driveplate mounting bolts 54 to 64
#115
Senior Member
iTrader: (2)
Oil pick-up tube-to-main bearing cap nut 15 to 22
Oil pick-up tube-to-oil pump bolts 71 to 106 in-lbs
Flywheel/driveplate mounting bolts 54 to 64
Rear crankshaft oi seal retainer bolts 89 in-lbs
Oil pan-to-engine block bolts
Step 1 18 in-lbs
Step 2 15
Step 3 Tighten an additional 60-degrees
#117
Senior Member
Thread Starter