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.
2012 Jeep Wrangler V6-3.6LFACTORY OEM SERVICE PROCEDURE
Connecting Rod, Engine
CONNECTING ROD, ENGINE
Tighten the the NEW connecting rod cap bolts 20 Nm (15 ft. lbs.) plus 90°.
Piston Pin Bore Diameter 22.016 ± 0.005 mm (0.8668 ± 0.0002 in.)
Bearing Bore out of Round (Max.) 0.008 mm (0.0003 in.)
Side Clearance 0.070 - 0.370 mm (0.0028 - 0.0146 in.)
Side Clearance (Max.) 0.370 mm (0.0146 in.)
CONNECTING ROD JOURNALS
Out of Round (Max.) 0.005 mm (0.0002 in.)
Diameter 59.0 ± 0.009 mm (2.3228 ± 0.0035 in.)
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:
- • 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.
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