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 MANUALSTOYOTA20074 RUNNER 2WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCONNECTING ROD, ENGINE
2007 Toyota 4 Runner 2WD V8-4.7L (2UZ-FE)
Connecting Rod, Engine
2007 Toyota 4 Runner 2WD V8-4.7L (2UZ-FE)SECTION Connecting Rod, Engine
Connecting rod
Thrust clearance
STD 0.160 to 0.290 mm (0.0063 to 0.0114 in.)
Maximum 0.35 mm (0.0138 in.)
Connecting rod thickness 22.880 to 22.920 mm (0.9008 to 0.9024 in.)
Connecting rod oil clearance
STD 0.021 to 0.047 mm (0.0008 to 0.0019 in.)
Maximum 0.065 mm (0.0026 in.)
Rod bend
Maximum per 100 mm (3.94 in.) 0.05 mm (0.0020 in.)
Rod twist
Maximum per 100 mm (3.94 in.) 0.15 mm (0.0059 in.)
Connecting rod bolt tension portion diameter
STD 7.200 to 7.300 mm (0.2835 to 0.2874 in.)
Maximum 7.00 mm (0.2756 in.)
Rod Bearing Cap
Install the connecting rod cap bolts.
HINT:
The connecting rod cap bolts are tightened in 2 progressive steps.
If any one of the connecting rod cap bolts is broken or deformed, replace it.
Apply a light coat of engine oil to the threads and under the heads of the connecting rod cap bolts.
Install and alternately tighten the 2 connecting rod cap bolts in several steps.
Torque 25 Nm (250 kgf/cm, 18 ft. lbs.)
If any one of the connecting rod cap bolts does not meet the torque specification, replace the connecting rod cap bolts.
Mark the front of the connecting cap bolt with paint.
Retighten the cap bolts 90° as shown in the illustration.
Check that the painted mark is now at a 90° angle to the front.
Check that the crankshaft turns smoothly.
Thrust clearance
STD 0.160 to 0.290 mm (0.0063 to 0.0114 in.)
Maximum 0.35 mm (0.0138 in.)
Connecting rod thickness 22.880 to 22.920 mm (0.9008 to 0.9024 in.)
Connecting rod oil clearance
STD 0.021 to 0.047 mm (0.0008 to 0.0019 in.)
Maximum 0.065 mm (0.0026 in.)
Rod bend
Maximum per 100 mm (3.94 in.) 0.05 mm (0.0020 in.)
Rod twist
Maximum per 100 mm (3.94 in.) 0.15 mm (0.0059 in.)
Connecting rod bolt tension portion diameter
STD 7.200 to 7.300 mm (0.2835 to 0.2874 in.)
Maximum 7.00 mm (0.2756 in.)
Rod Bearing Cap
Install the connecting rod cap bolts.
HINT:
The connecting rod cap bolts are tightened in 2 progressive steps.
If any one of the connecting rod cap bolts is broken or deformed, replace it.
Apply a light coat of engine oil to the threads and under the heads of the connecting rod cap bolts.
Install and alternately tighten the 2 connecting rod cap bolts in several steps.
Torque 25 Nm (250 kgf/cm, 18 ft. lbs.)
If any one of the connecting rod cap bolts does not meet the torque specification, replace the connecting rod cap bolts.
Mark the front of the connecting cap bolt with paint.
Retighten the cap bolts 90° as shown in the illustration.
Check that the painted mark is now at a 90° angle to the front.
Check that the crankshaft turns smoothly.
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.