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 Ford Mustang V8-5.4L SCFACTORY OEM SERVICE PROCEDURE
Connecting Rod, Engine
Connecting Rod
Pin bore diameter 22.012-22.024 mm (0.8666-0.8671 in)
Length (centerline bore-to-bore) 169.1 mm (6.6575 in)
Maximum allowed bend ± 0.038 mm (0.0015 in)
Maximum allowed twist ± 0.05 mm (0.0021 in)
Bearing bore diameter (with assembled liners) 53.049-53.027 mm (2.0885-2.0877 in)
Bearing-to-crankshaft clearance 0.064-0.026 mm (0.0025-0.001 in)
Side clearance (as assembled to crank)
Standard play 0.300 ± 0.175 mm (0.0118 ± 0.0069 in)
Max. play 0.475 mm (0.0187 in)
Connecting Rod Cap Bolts
First pass 40 Nm (30 lb-ft).
Final pass Tighten an additional 90°
Pin bore diameter 22.012-22.024 mm (0.8666-0.8671 in)
Length (centerline bore-to-bore) 169.1 mm (6.6575 in)
Maximum allowed bend ± 0.038 mm (0.0015 in)
Maximum allowed twist ± 0.05 mm (0.0021 in)
Bearing bore diameter (with assembled liners) 53.049-53.027 mm (2.0885-2.0877 in)
Bearing-to-crankshaft clearance 0.064-0.026 mm (0.0025-0.001 in)
Side clearance (as assembled to crank)
Standard play 0.300 ± 0.175 mm (0.0118 ± 0.0069 in)
Max. play 0.475 mm (0.0187 in)
Connecting Rod Cap Bolts
First pass 40 Nm (30 lb-ft).
Final pass Tighten an additional 90°
Factory Service Tools
Use the Manual With the Right Hardware
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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.