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.
2007 Saturn ION L4-2.0L SCFACTORY OEM SERVICE PROCEDURE
Connecting Rod, Engine
Connecting Rod Bore Diameter - Bearing End 52.118-52.134 mm (2.0519-2.05252 in)
Connecting Rod Bore Diameter - Pin End 20.007-20.021 mm (0.7877-0.7882 in)
Connecting Rod Side Clearance 0.070-0.370 mm (0.0028-0.0146 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 Bolts
First Pass 25 N.m (18 lb ft)
Final Pass 100 degrees
Connecting Rod Bore Diameter - Pin End 20.007-20.021 mm (0.7877-0.7882 in)
Connecting Rod Side Clearance 0.070-0.370 mm (0.0028-0.0146 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 Bolts
First Pass 25 N.m (18 lb ft)
Final Pass 100 degrees
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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