Engine Torque Specifications

2009 Jeep Grand Cherokee 2WD V6-3.7LSECTION Engine Torque Specifications





TORQUE






CYLINDER HEAD TORQUE





Step 1: Tighten bolts 1-8 27 Nm (20 ft. lbs.).
Step 2: Verify that bolts 1-8, all reached 27 Nm (20 ft. lbs.), by repeating step 1 without loosening the bolts. Tighten bolts 9 thru 12 14 Nm (10 ft. lbs.).
Step 3: Tighten bolts 1-8 90 °.
Step 4: Tighten bolts 1-8 90 °, again. Tighten bolts 9-12, 26 Nm (19 ft. lbs.)

HEAD BOLT REUSE/REPLACE





The cylinder head bolts must be examined BEFORE reuse. If the threads are necked down (2) the bolts should be replaced.

INTAKE MANIFOLD






CAMSHAFT BEARING CAP






MAIN BEARING CAP Torque





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 (62 in. lbs.)
Turn bolts 1 - 8 an additional 90°.
Tighten bolts A - E 27 Nm ( 20 ft. lbs.).


FLEX PLATE






OIL PUMP






EXHAUST MANIFOLD

Start at the center arm and work outward.


WATER PUMP




RENDER: 1.0x

NO RELATED

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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.