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.
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HOMESERVICE MANUALSCHEVROLET2010HHR L4-2.2LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINECYLINDER BLOCK ASSEMBLYCONNECTING RODSPECIFICATIONS
2010 Chevrolet HHR L4-2.2L
Connecting Rod: Specifications
2010 Chevrolet HHR L4-2.2LSECTION Specifications
ROD BEARING CAP TORQUE AND SEQUENCE
Connecting Rod Bolt
First Pass 25 Nm (18 lb ft)
Final Pass 100 degrees
CONNECTING ROD SIDE CLEARANCE, OUT-OF-ROUND & DIAMETER
Connecting Rod Side Clearance 0.070-0.370 mm (0.0028-0.0146 in)
Connecting Rod Journal Diameter 49.000-49.014 mm (1.9291-1.9297 in)
Connecting Rod Bore Diameter - Bearing End 52.118-52.134 mm (2.0519-2.05252 in)
Connecting Rod Bore Diameter - Pin End 20.007-20.017 mm (0.7877-0.7881 in)
Connecting Rod Straightness - Bend - Maximum 0.021 mm (0.0083 in)
Connecting Rod Straightness - Twist - Maximum 0.04 mm (0.0157 in)
Connecting Rod Bolt
First Pass 25 Nm (18 lb ft)
Final Pass 100 degrees
CONNECTING ROD SIDE CLEARANCE, OUT-OF-ROUND & DIAMETER
Connecting Rod Side Clearance 0.070-0.370 mm (0.0028-0.0146 in)
Connecting Rod Journal Diameter 49.000-49.014 mm (1.9291-1.9297 in)
Connecting Rod Bore Diameter - Bearing End 52.118-52.134 mm (2.0519-2.05252 in)
Connecting Rod Bore Diameter - Pin End 20.007-20.017 mm (0.7877-0.7881 in)
Connecting Rod Straightness - Bend - Maximum 0.021 mm (0.0083 in)
Connecting Rod Straightness - Twist - Maximum 0.04 mm (0.0157 in)
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.