5.7 HEMI Bolt Torque Specs

Written by john stevens
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After a 32-year absence, Chrysler made the HEMI engine available again during the 2003 production year. However, the engine was reduced in size from the 7.0-litre engine of the 1960s and early-1970s to 5.8 litres. Although the engine was originally used only in Dodge's pickup truck line, the engine was eventually used in a number of passenger vehicles and SUVs, as well. As with all engines, the 5.7-litre HEMI's bolt torque specifications must be followed closely, as they differ from the original HEMI.

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Exhaust Manifold

Tighten the exhaust manifold bolts to 18 foot-pounds of torque, and the manifold's head shield nuts to 11 foot-pounds of torque.

Camshaft Thrust Plate

Tighten the camshaft thrust plate bolts to 21 foot-pounds of torque.

Crankshaft Damper Bolt

Tighten the crankshaft damper bolt to 130 foot-pounds of torque.

Radiator Shroud

Tighten the radiator shroud's fasteners to 95 inch-pounds of torque.

Cylinder Heads

Note that the cylinder heads feature 12-mm bolts and 8-mm bolts. Both bolt types must be tightened in three intervals. First, tighten the 12-mm bolts to 25 foot-pounds of torque, then tighten the 8-mm bolts to 15 foot-pounds of torque. Second, tighten the 12-mm bolts to 40 foot-pounds of torque, then tighten the 8-mm bolts to 15 foot-pounds of torque again if they have loosened. Finally, tighten the 12-mm bolts an additional 90 degrees, then tighten the 8-mm bolts to 25 foot-pounds of torque.

Flywheel

Tighten the flywheel bolts to 70 foot-pounds of torque.

Crankshaft Pulley

Tighten the crankshaft pulley bolts to 92 foot-pounds of torque.

Timing Chain Cover

Tighten the timing chain cover bolts to 21 foot-pounds of torque.

Intake Manifold

Tighten the intake manifold bolts to 105 inch-pounds of torque.

Oil Pan

Tighten the oil pan bolts to 105 inch-pounds of torque.

Valve Cover

Tighten the valve cover bolts to 105 inch-pounds of torque.

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