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 GMC Terrain AWD V6-3.0LFACTORY OEM SERVICE PROCEDURE
Connecting Rod, Engine
Connecting Rod Bolt
First Pass 30 Nm (22 lb ft)
Second Pass - Counterclockwise Back Off to Zero
Third Pass 25 Nm (18 lb ft)
Final Pass 110 Degrees
Connecting Rod Bearing Clearance 0.010-0.070 mm (0.0004-0.0028 in)
Connecting Rod Bore Diameter - Bearing End 59.620-59.636 mm (2.3472-2.3479 in)
Connecting Rod Bore Diameter - Pin End - Production 24.009-24.019 mm (0.9452-0.9456 in)
Connecting Rod Bore Diameter - Pin End - Service Maximum 24.007 mm (0.9457 in)
Connecting Rod Length - Center to Center 156.05 mm (6.1437 in)
Connecting Rod Side Clearance 0.095-0.355 mm (0.0037-0.0140 in)
Connecting Rod Width - Bearing End
Production 21.775 mm (0.8573 in)
Service 21.725-21.825 mm (0.8553-0.8593 in)
Connecting Rod Width - Pin End
Production 21.775 mm (0.8573 in)
Service 21.725-21.825 mm (0.8553-0.8593 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.