11B RECOMMENDED TORQUE TENSIONS
Recommended torque tensions
The torque tensions below apply to components lubricated lightly with clean engine oil before they are
fitted.
Description
Thread
size
Torque
Nm lbf ft kgf m
Cylinder head assembly
Setscrews, cylinder head 1/2 UNF (see section 12)
Fasteners, rocker shaft brackets:
- Aluminium brackets M12 40 30 4,1
- Cast iron and sintered steel brackets M12 75 55 7,6
Cap nuts, rocker cover M12 20 15 2,1
Cap nuts, aluminium rocker cover (with shim washer) M12 30 22 3,0
Setscrews, inlet manifold to cylinder head M10 44 33 4,5
Nuts (plated), exhaust manifold to cylinder head M10 44 33 4,5
Nuts (non-plated), exhaust manifold to cylinder head M10 50 37 5,1
Setscrews, engine lift bracket M10 44 33 4,5
Piston and connecting rod assemblies
Nuts, connecting rods 1/2 UNF 125 92 12,7
Setscrews, connecting rods 1/2UNF 155 114 15,8
Banjo bolts, piston cooling jets. 3/4 UNF 20 15 2,0
Crankshaft assembly
Setscrews, main bearings (4 cylinder engines) 5/8 UNF 250 185 26,0
Setscrews, main bearings (6 cylinder engines) 5/8 UNF 265 196 27,0
Setscrews, crankshaft pulley 7/16 UNF 115 85 11,8
Setscrews, viscous damper to crankshaft pulley M12 75 55 7,6
Cap screws, viscous damper to crankshaft pulley M8 35 26 3,6
Cap screws, rubber bonded damper to crankshaft pulley M8 35 26 3,6
Setscrews, rear oil seal housing to cylinder block M8 22 16 2,2
Torxscrew, rear oil seal housing to cylinder block M8 22 16 2,2
Cap screws, bridge piece to cylinder block M6 16 12 1,6
Cap screws, rear oil seal housing to bridge piece M8 18 13 1,9
Cap screws, rear oil seal housing to bridge piece M6 13 10 1,3
Torxscrew, rear oil seal housing to bridge piece M8 18 13 1,9
11B.02 Perkins Phaser/1000 Series, April 1995
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