Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Jeep TJ (CANADA) L4-2.4LFACTORY OEM SERVICE PROCEDURE
System Specifications
Cylinder Head Bolt
NOTE: The cylinder head bolts should be examined BEFORE reuse. If the threads are necked down, the bolts must be replaced.
First Pass 34 Nm (25 ft. lbs.)
Second Pass 82 Nm (60 ft. lbs.)
Third Pass 82 Nm (60 ft. lbs.)
CAUTION: Do not use a torque wrench for this step.
Final Pass Turn An Additional 1/4 Turn
Cylinder Head Surface Variation Flat Within 0.1 mm (0.004 inch)
Intake Manifold Bolt 28 Nm (250 inch lbs.)
Camshaft Bearing Cap Bolt
M6 12 Nm (105 inch lbs.)
M8 28 Nm (250 inch lbs.)
Camshaft Sprocket Bolt 101 Nm (75 ft. lbs.)
Exhaust Manifold Bolt 20 Nm (175 inch lbs.).
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.
