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.
2009 Subaru Outback F4-2.5L SOHCFACTORY OEM SERVICE PROCEDURE
Connecting Rod, Engine
Connecting rod
Bend or twist per 100 mm (3.94 in) in length Service limit 0.10 mm (0.0039 in)
Thrust clearance Standard 0.070 - 0.330 mm (0.0028 - 0.0130 in)
Bearing of large end
Oil clearance Standard 0.016 - 0.044 mm (0.0006 - 0.0017 in)
Bearing size (Thickness at center)
Standard 1.492 - 1.501 mm (0.0587 - 0.0591 in)
0.03 mm (0.0012 in) US 1.510 - 1.513 mm (0.0594 - 0.0596 in)
0.05 mm (0.0020 in) US 1.520 - 1.523 mm (0.0598 - 0.0600 in)
0.25 mm (0.0098 in) US 1.620 - 1.623 mm (0.0638 - 0.0639 in)
Bushing of small end Clearance Standard 0 - 0.022 mm (0 - 0.0009 in)
Connecting rod nut 45 Nm (4.6 kgf-m, 33.2 ft lb)
Bend or twist per 100 mm (3.94 in) in length Service limit 0.10 mm (0.0039 in)
Thrust clearance Standard 0.070 - 0.330 mm (0.0028 - 0.0130 in)
Bearing of large end
Oil clearance Standard 0.016 - 0.044 mm (0.0006 - 0.0017 in)
Bearing size (Thickness at center)
Standard 1.492 - 1.501 mm (0.0587 - 0.0591 in)
0.03 mm (0.0012 in) US 1.510 - 1.513 mm (0.0594 - 0.0596 in)
0.05 mm (0.0020 in) US 1.520 - 1.523 mm (0.0598 - 0.0600 in)
0.25 mm (0.0098 in) US 1.620 - 1.623 mm (0.0638 - 0.0639 in)
Bushing of small end Clearance Standard 0 - 0.022 mm (0 - 0.0009 in)
Connecting rod nut 45 Nm (4.6 kgf-m, 33.2 ft lb)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.