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 MANUALSPONTIAC2005SUNFIRE L4-2.2L VIN FREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON, ENGINE
2005 Pontiac Sunfire L4-2.2L VIN F
Piston, Engine
2005 Pontiac Sunfire L4-2.2L VIN FSECTION Piston, Engine
Pistons and Pins
^ Piston - Piston Diameter - @14.5 mm up 85.967 - 85.982 mm (3.3845 - 3.3851 in)
^ Piston - Piston Pin Bore Diameter 20.002 - 20.007 mm (0.07875 - 0.7877 in)
^ Piston - Piston Ring Grove Width - Top 1.23 - 1.25 mm (0.0484 - 0.0492 in)
^ Piston - Piston Ring Grove Width - Second 1.52 - 1.54 mm (0.0598 - 0.0606 in)
^ Piston - Piston Ring Grove Width - Oil Control 2.52 - 2.54 mm (0.0992 - 0.1000 in)
^ Piston - Piston To Bore Clearance 0.010 - 0.041 mm (0.0004 - 0.0016 in)
^ Pin - Piston Pin Clearance to Connecting Rod Bore 0.007 - 0.026 mm (0.0003 - 0.0010 in)
^ Pin - Piston Pin Clearance to Piston Pin Bore 0.002 - 0.012 mm (0.0001 - 0.0005 in)
^ Pin - Piston Pin Diameter 19.995 - 20.000 mm (0.7872 - 0.7874 in)
^ Pin - Piston Pin End Play 0.19 - 1.16 mm (0.0075 - 0.0461 in)
^ Piston - Piston Diameter - @14.5 mm up 85.967 - 85.982 mm (3.3845 - 3.3851 in)
^ Piston - Piston Pin Bore Diameter 20.002 - 20.007 mm (0.07875 - 0.7877 in)
^ Piston - Piston Ring Grove Width - Top 1.23 - 1.25 mm (0.0484 - 0.0492 in)
^ Piston - Piston Ring Grove Width - Second 1.52 - 1.54 mm (0.0598 - 0.0606 in)
^ Piston - Piston Ring Grove Width - Oil Control 2.52 - 2.54 mm (0.0992 - 0.1000 in)
^ Piston - Piston To Bore Clearance 0.010 - 0.041 mm (0.0004 - 0.0016 in)
^ Pin - Piston Pin Clearance to Connecting Rod Bore 0.007 - 0.026 mm (0.0003 - 0.0010 in)
^ Pin - Piston Pin Clearance to Piston Pin Bore 0.002 - 0.012 mm (0.0001 - 0.0005 in)
^ Pin - Piston Pin Diameter 19.995 - 20.000 mm (0.7872 - 0.7874 in)
^ Pin - Piston Pin End Play 0.19 - 1.16 mm (0.0075 - 0.0461 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.