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Home >> Ford >> 2003 >> Mustang Mach 1, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine - 7.3L Diesel) >> Specifications >> Torque Specifications
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Torque Specifications

WARNING: This page is about a different car, the 2003 Ford RV Cutaway, 2003 Ford Econoline, 2003 Ford E550 Super Duty, 2003 Ford E450 Super Duty, and 2003 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE - 7.3L DIESEL GENERAL SPECIFICATIONS CHART

Description Nm lb-ft lb-in
A/C compressor mounting bracket to engine 48 35 -
A/C manifold line to compressor 20 15 -
Access cover bolts 27 20 -
Camshaft thrust plate to engine retaining bolts 24 18 -
Camshaft position (CMP) sensor to engine front cover 24 N.m. 18 Ft. Lbs. -
Connecting rod nuts(1) - - -
Crankshaft vibration damper bolt/crankshaft pulley bolt 287 212 -
Cylinder head bolts(1) - - -
Engine front cover bolts 20 15 -
Engine mount bolts 115 85 -
Engine mount insulator to bracket mounts 90 66 -
Exhaust adapter pipe-to-exhaust manifold bolts 24 18 -
Exhaust adapter pipe-to-exhaust manifold nuts 24 18 -
Engine ground cable nut 47 35 -
Engine mount nuts 90 66 -
Exhaust manifold (to cylinder head) (M10)(2) 61 45 -
Flywheel housing cover mounting screws 20 15 -
Flywheel mounting bolt (automatic transmission) 121 89 -
Fuel filter housing retaining bolts 31 23 -
Fuel injector hold-down bolt 14 10 -
Generator bracket to cylinder head (lower) 48 35 -
Generator bracket to cylinder head (upper) 48 35 -
High-pressure oil pump drive gear retaining bolt 129 96 -
High-pressure oil reservoir retaining bolts 24 18 -
Main bearing cap bolts(3) or (1) - - -
Oil cooler front header retaining bolts 24 18 -
Oil cooler rear header retaining bolts 24 18 -
Oil deflector retaining bolt 14 10 -
Oil level gauge tube adapter nut 33 24 -
Oil level indicator tube adapter nut 33 24 -
Oil pan to cylinder block 24 18 -
Oil pump body plate bolts 14 10 -
Oil pump screen cover and tube retaining bolts 24 18 -
Oil pump screen cover and tube retaining nut 24 18 -
Oil supply line to cylinder head fitting 26 19 -
Piston oil cooling jet retaining bolt 11 8 -
Pulley to crankshaft damper(4) - - -
Rear oil seal retaining bolts 20 15 -
Rocker arm pedestal attaching bolts 27 20 -
Torque converter to flywheel retaining nuts 35 26 -
Transmission to engine bolts 61 45 -
Turbocharger exhaust inlet pipe-to-exhaust manifold bolts 28 21 -
Turbocharger pedestal mounting bolts 24 18 -
Valve cover bolt 11 8 -
Class 9.8 Metric Fasteners 
M4 3 - 27
M5 7 - 62
M6 11 8 -
M8 27 20 -
M10 52 38 -
M12 78 58 -
M14 125 92 -
M16 193 142 -
Class 10.9 Metric Fasteners 
M6 14 10 -
M8 35 26 -
M10 68 50 -
M12 100 74 -
M14 160 118 -
M16 248 183 -
M20 483 356 -
M24 835 616 -
Grade 5 UNC Fasteners 
1/4-inch 9 - 80
5/16-inch 20 15 -
Grade 5 UNF Fasteners 
1/4-inch 12 9 -
5/16-inch 23 17 -
Grade 8 UNC Fasteners 
3/8-inch 55 41 -
7/16-inch 90 66 -
1/2-inch 130 96 -
9/16-inch 190 140 -
5/18-inch 255 188 -
3/4-inch 460 339 -
7/8-inch 745 550 -
Grade 8 UNF Fasteners 
3/8-inch 60 44 -
7/16-inch 95 70 -
1/2-inch 150 111 -
9/16-inch 210 155 -
5/18-inch 290 214 -
3/4-inch 515 380 -
7/8-inch 825 609 -
Pipe Threads 
1/8 x 27 9 - 80
1/4 x 18 20 15 -
3/8 x 18 37 27 -
1/2 x 14 40 30 -
(1) Refer to the procedure in this article.
(2) Apply Threadlock® and Sealer EOAZ-19554-AA or equivalent meeting Ford specifications WSK-M2G351-A5 and ESE-M4G204-A2 to all threads prior to assembly.
(3) Tighten four main bearing cap bolts to 102 Nm (75 lb-ft) before final torque is applied.
(4) Refer to Standard Torque - English or Standard Torque - Metric chart in the Specifications portion of this article.
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