System Specifications

2009 Jeep Liberty 4WD V6-3.7LSECTION System Specifications
Surface Variation - Head-to-block

Cylinder Head For Out-of-flatness 0.0508 mm (0.002 in.)

Cylinder Bore

Cylinder Bore Diameter 93.013 ± 0.0075 mm (3.6619 ± 0.0003 in.)
Taper (MAX) 0.051 mm (0.002 in.)
Out of Round (MAX) 0.076 mm (0.003 in.)

Crankshaft






Crankshaft Main Bearing Selection










Main Bearing Cap






Hand tighten bolts 1D,1G and 1F until the bedplate contacts the block.
Tighten bolts 1A - 1J 54 Nm (40 ft. lbs.)
Tighten bolts 1 - 8 7 Nm (5 ft. lbs.)
Turn bolts 1 - 8 an additional 90°.
Tighten bolts A - E 27 Nm ( 20 ft. lbs.)

CONNECTING RODS






Piston Dimensions and Clearances

PISTONS






PISTON PINS






PISTON RINGS






Crankshaft Pulley

Crankshaft Damper Bolt 175 Nm (130 ft. lbs.)






RENDER: 1.0x

NO RELATED

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Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.