2009 Jeep Commander 2WD V8-4.7LFACTORY OEM SERVICE PROCEDURE

Engine Torque Specifications






TORQUE

Factory service manual diagram





Cylinder Head Torque

Factory service manual diagram




Tighten bolts 1 - 10 27 Nm (20 ft. lbs.).
Verify that bolts 1 - 10 have all reached 27 Nm (20 ft. lbs.), by repeating step 1 without loosening the bolts.
Tighten bolts 11 - 14 14 Nm (89 in. lbs.).
Rotate bolts 1 - 10 an additional 90°.
Rotate bolts 1 - 10 an additional 90° again.
Tighten bolts 11 - 14 26 Nm (19 ft. lbs).

Head Bolt Reuse/Replace

Factory service manual diagram




The cylinder head bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse. If the threads are necked down (2) the bolts should be replaced.

Intake Manifold

Factory service manual diagram




Camshaft Bearing Cap

Factory service manual diagram




Main Bearing Cap Torque

Factory service manual diagram




Tighten bolts 3 Nm (26 in. lbs.)

Factory service manual diagram




Tighten bolts 54 Nm (40 ft. lbs.)

Factory service manual diagram




Rotate bolts 90°

Factory service manual diagram




Tighten bolts 23 Nm (20 ft. lbs.)

Flex Plate

Factory service manual diagram




Oil Pump

Factory service manual diagram




Exhaust Manifold

Factory service manual diagram



Left Side

Factory service manual diagram



Right Side

Water Pump

Factory service manual diagram



Factory Service Tools

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.

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