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.
2004 Toyota Tacoma PreRunner V6-3.4L (5VZ-FE)FACTORY OEM SERVICE PROCEDURE
Connecting Rod, Engine
Thrust clearance
STD 0.150 - 0.330 mm (0.0059 - 0.0130 inch)
Maximum 0.380 mm (0.0150 inch)
Rod bend
Maximum per 100 mm (3.94 inch) 0.05 mm (0.0020 inch)
Rod twist
Maximum per 100 mm (3.94 inch) 0.15 mm (0.0059 inch)
Connecting rod bolt outer diameter
STD 7.860 - 8.000 mm (0.3094 - 0.3150 inch)
Minimum 7.600 mm (2.992 inch)
Connecting rod oil clearance
STD 0.024 - 0.053 mm (0.0009 - 0.0021 inch)
O/S 0.25 0.023 - 0.069 mm (0.0009 - 0.0027 inch)
Maximum 0.08 mm (0.0031 inch)
Bushing oil clearance
STD 0.005 - 0.011 mm (0.0002 - 0.0004 inch)
Maximum 0.05 mm (0.0020 inch)
Connecting rod cap x Connecting rod
1st 25 Nm (250 kgf-cm, 18 ft. lbs.)
2nd Turn 90°
STD 0.150 - 0.330 mm (0.0059 - 0.0130 inch)
Maximum 0.380 mm (0.0150 inch)
Rod bend
Maximum per 100 mm (3.94 inch) 0.05 mm (0.0020 inch)
Rod twist
Maximum per 100 mm (3.94 inch) 0.15 mm (0.0059 inch)
Connecting rod bolt outer diameter
STD 7.860 - 8.000 mm (0.3094 - 0.3150 inch)
Minimum 7.600 mm (2.992 inch)
Connecting rod oil clearance
STD 0.024 - 0.053 mm (0.0009 - 0.0021 inch)
O/S 0.25 0.023 - 0.069 mm (0.0009 - 0.0027 inch)
Maximum 0.08 mm (0.0031 inch)
Bushing oil clearance
STD 0.005 - 0.011 mm (0.0002 - 0.0004 inch)
Maximum 0.05 mm (0.0020 inch)
Connecting rod cap x Connecting rod
1st 25 Nm (250 kgf-cm, 18 ft. lbs.)
2nd Turn 90°
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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