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Home >> Jeep >> 2008 >> Wrangler X, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L Engine (Service Information) >> Specifications >> Torque Specifications

Torque Specifications

DESCRIPTION  N.m  Ft. Lbs.  In. Lbs. 
Camshaft Sprocket-Bolt 54 40 -
Camshaft Thrust Plate-Bolts 12 - 105
Forged Connecting Rod Cap-Nuts 54 +1/4 turn 40 +1/4 turn -
Cracked Connecting Rod Cap-Bolts See INSTALLATION .
Crankshaft Main Bearing Cap-Bolts 41 +1/4 turn 30 +1/4 turn -
Crankshaft Main Bearing Cap Cross Bolts (3.8L) 61 45 -
Crankshaft Oil Seal Retainer Rear-Bolts 12 - 105
Crankshaft Damper-Bolt 54 40 -
Cylinder Block Drain Plugs 20 15 -
Cylinder Head-Bolts See INSTALLATION .
Cylinder Head Cover-Bolts 12 - 105
Flex Plate to Crankshaft 88 65 -
Engine Mounting (Refer to ENGINE MOUNTING  )
Exhaust Manifold-Bolts 23 - 200
Intake Manifold - Lower-Bolts 23 - 200
Intake Manifold - Lower Gasket Retainer-Bolts 12 - 105
Intake Manifold Upper-Bolts 12 - 105
Lifter Yoke Retainer-Bolts 12 - 105
Oil Filter Attaching Fitting 54 40 -
Oil Cooler Attaching Fitting 27 20 -
Oil Filter 20 15 -
Oil Filter Adapter-Bolts 28 - 250
Oil Gallery Plug 27 20 -
Oil Pan-Bolts 12 - 105
Oil Pan Drain-Plug 27 20 -
Oil Pressure Switch 23 - 200
Oil Pump Cover Plate-Screws 12 - 105
Oil Pump Pick-up Tube-Bolt 28 - 250
Oil Dipstick Housing-Bolts 48 35 -
Rocker Arm Shaft-Bolts 23 - 200
Spark Plug 16 12 -
Thermostat Housing 12 - 105
Timing Chain Case Cover - - -
-M8 Bolt 27 20 -
-M10 Bolt 54 40 -
Water Pump-Bolts 12 - 105
Water Pump Pulley-Bolts 28 - 250