Threaded Connection Tightening Torques

~3min read

Component N·m

Cylinder Block

Engine side support bracket bolt and nut, Transmission support bracket bolt, Oil pressure switch 45 - 55 45 - 55 13 - 15

Cylinder Head

Cylinder head bolt Intake manifold mounting nuts and bolts Exhaust manifold mounting nut Cylinder head cover mounting bolts Camshaft bearing cap mounting bolts Cylinder block rear plate mounting bolts 35 + 75° + loosen all bolts + 35 + 75° 15 - 20 25 - 30 8 - 10 12 - 14 32 - 35

Major engine components

Connecting rod cap nuts Crankshaft main bearing cap nuts Flywheel bolts (MT) Torque converter drive plate bolts (AT) 32-35 55 - 60 120 - 130 120 - 130

Timing belt

Crankshaft pulley bolt Camshaft sprocket bolt Timing belt tensioner pulley bolts Timing belt idler pulley bolt Timing belt cover bolts Oil pump housing bolts 140 - 150 80 - 100 20 - 27 43 - 55 8 - 10 20 - 27

Engine Mounts

Engine side mount nut (large) Engine side mount nut (small) Bolts and nuts securing engine side mount bracket to engine Transmission mount nut Transmission mount bracket bolts to subframe side member Engine rear mount nut Engine rear mount bracket bolts to subframe crossmember Engine front mount nut Engine front mount bracket bolts to subframe crossmember 90 - 110 45 - 60 55 - 65 90 - 110 40 - 50 50 - 65 40 - 50 50 - 65 40 - 50

Lubrication System

Oil filter Oil pan bolts Oil drain plug Oil pick-up bolts 12 - 16 10 - 12 35 - 45 15 - 22

Cooling System

Generator hinge bolt and nut Generator locking bolt Generator adjusting bar bolt Coolant pump pulley bolts Coolant pump bolts Coolant temperature sensor Coolant intake pipe nuts Thermostat housing bolts and nuts 20 - 25 12 - 15 20 - 27 8 - 10 12 - 15 20 - 30 17 - 20 15 - 20

Intake and exhaust systems

Air cleaner housing bolts Resonator bolts Intake manifold to cylinder head nuts and bolts Intake manifold receiver bracket to cylinder block bolts Throttle body to intake manifold receiver nuts Exhaust manifold to cylinder head nuts Heat shield bolts to exhaust manifold Oxygen sensor in exhaust manifold Exhaust pipe to exhaust manifold nuts (models without catalytic converter) Exhaust pipe bracket bolts Exhaust pipe to catalytic converter bolts (models with catalytic converter) 8 - 10 4 - 6 15 - 20 18 - 25 15 - 20 25 - 30 15 - 20 50 - 60 30 - 40 30 - 40 40 - 60

Test yourself

A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.