Cylinder Block

2008 Jeep Commander Overland, 4WDSECTION Cylinder Block
WARNING: This page is about a different variant/trim than selected.

Thoroughly clean the oil pan and engine block gasket surfaces.

Use compressed air to clean out:

  1. The galley at the oil filter Adapter hole.
  2. The front and rear oil galley holes.
  3. The feed holes for the crankshaft main bearings.

Once the block has been completely cleaned, apply Loctite® PST pipe sealant with Teflon 592 to the threads of the front and rear oil galley plugs. Tighten the 1/4 inch NPT plugs to 20 N.m (177 in. lbs.) torque. Tighten the 3/8 inch NPT plugs to 27 N.m (240 in. lbs.) torque.

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:

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