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.
2008 Subaru Outback F6-3.0L DOHCFACTORY OEM SERVICE PROCEDURE
Connecting Rod, Engine
Connecting rod
Thrust clearance Standard 0.070 - 0.330 mm (0.0028 - 0.0130 in)
Bearing of large end
Oil clearance Standard 0.0 16 - 0.043 mm (0.0006 - 0.0017 in)
Bearing size (Thickness at center)
Standard 1.490 - 1.506 mm (0.0587 - 0.0593 in)
0.03 (0.0012) US 1.509 - 1.513 mm (0.0594 - 0.0596 in)
0.05 (0.0020) US 1.519 - 1.523 mm (0.0598 - 0.0600 in)
0.25 (0.0098) US 1.619 - 1.623 mm (0.0637 - 0.0639 in)
Bushing of small end
Clearance between piston pin and bushing
Standard 0.022 mm (0 - 0.0009 in)

Thrust clearance Standard 0.070 - 0.330 mm (0.0028 - 0.0130 in)
Bearing of large end
Oil clearance Standard 0.0 16 - 0.043 mm (0.0006 - 0.0017 in)
Bearing size (Thickness at center)
Standard 1.490 - 1.506 mm (0.0587 - 0.0593 in)
0.03 (0.0012) US 1.509 - 1.513 mm (0.0594 - 0.0596 in)
0.05 (0.0020) US 1.519 - 1.523 mm (0.0598 - 0.0600 in)
0.25 (0.0098) US 1.619 - 1.623 mm (0.0637 - 0.0639 in)
Bushing of small end
Clearance between piston pin and bushing
Standard 0.022 mm (0 - 0.0009 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.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
