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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSTOYOTA20084 RUNNER 2WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYSYSTEM SPECIFICATIONS
2008 Toyota 4 Runner 2WD V8-4.7L (2UZ-FE)
System Specifications
2008 Toyota 4 Runner 2WD V8-4.7L (2UZ-FE)SECTION System Specifications
CYLINDER HEAD SUB-ASSEMBLY LH

Torque: 40 Nm (408 kgf-cm, 30 ft-lbf)

Retighten the cylinder head bolts by 90° in the order shown.
Retighten the cylinder head bolts by an additional 90°.
Check that the painted mark is now at a 180° angle to front.
CYLINDER HEAD SUB-ASSEMBLY

Torque: 40 Nm (408 kgf-cm, 30 ft-lbf)

Retighten the cylinder head bolts by 90° in the order shown.
Retighten the cylinder head bolts by an additional 90°.
Check that the painted mark is now at a 180° angle to front.
BOLT RE-USABILITY
Standard outside diameter: 9.810 to 9.960 mm (0.3862 to 0.3921 in.)
Minimum outside diameter: 9.700 mm (0.3819 in.)
CYLINDER HEAD SUB-ASSEMBLY
Maximum warpage: 0.10 mm (0.0039 in.)
INTAKE MANIFOLD

Torque: 18 Nm (185 kgf-cm, 13 ft-lbf)
CAMSHAFT (for Bank 1)

Each bolt length is as follows:
94 mm (3.70 in.) for A with seal washer
72 mm (2.83 in.) for B with seal washer
25 mm (0.98 in.) for C
55 mm (2.17 in.) for D
40 mm (1.57 in.) for E

Uniformly tighten the 22 bearing cap bolts in several steps, in the order shown in the illustration.
For bolt C - Torque: 7.5 Nm (76 kgf-cm, 66 in-lbf)
For others - Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)
CAMSHAFT (for Bank 2)

Each bolt length is as follows:
94 mm (3.70 in.) for A with seal washer
72 mm (2.83 in.) for B with seal washer
25 mm (0.98 in.) for C
55 mm (2.17 in.) for D
40 mm (1.57 in.) for E

Uniformly tighten the 22 bearing cap bolts in several steps, in the order shown in the illustration.
For bolt C - Torque: 7.5 Nm (76 kgf-cm, 66 in-lbf)
For others - Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)
EXHAUST MANIFOLD SUB-ASSEMBLY LH
Torque: 44 Nm (450 kgf-cm, 33 ft-lbf)
EXHAUST MANIFOLD SUB-ASSEMBLY RH
Torque: 44 Nm (450 kgf-cm, 33 ft-lbf)
CAMSHAFT TIMING PULLEY x CAMSHAFT
Torque: 108 Nm (1,101 kgf-cm, 80 ft-lbf)
Torque: 40 Nm (408 kgf-cm, 30 ft-lbf)
Retighten the cylinder head bolts by 90° in the order shown.
Retighten the cylinder head bolts by an additional 90°.
Check that the painted mark is now at a 180° angle to front.
CYLINDER HEAD SUB-ASSEMBLY
Torque: 40 Nm (408 kgf-cm, 30 ft-lbf)
Retighten the cylinder head bolts by 90° in the order shown.
Retighten the cylinder head bolts by an additional 90°.
Check that the painted mark is now at a 180° angle to front.
BOLT RE-USABILITY
Standard outside diameter: 9.810 to 9.960 mm (0.3862 to 0.3921 in.)
Minimum outside diameter: 9.700 mm (0.3819 in.)
CYLINDER HEAD SUB-ASSEMBLY
Maximum warpage: 0.10 mm (0.0039 in.)
INTAKE MANIFOLD
Torque: 18 Nm (185 kgf-cm, 13 ft-lbf)
CAMSHAFT (for Bank 1)
Each bolt length is as follows:
94 mm (3.70 in.) for A with seal washer
72 mm (2.83 in.) for B with seal washer
25 mm (0.98 in.) for C
55 mm (2.17 in.) for D
40 mm (1.57 in.) for E
Uniformly tighten the 22 bearing cap bolts in several steps, in the order shown in the illustration.
For bolt C - Torque: 7.5 Nm (76 kgf-cm, 66 in-lbf)
For others - Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)
CAMSHAFT (for Bank 2)
Each bolt length is as follows:
94 mm (3.70 in.) for A with seal washer
72 mm (2.83 in.) for B with seal washer
25 mm (0.98 in.) for C
55 mm (2.17 in.) for D
40 mm (1.57 in.) for E
Uniformly tighten the 22 bearing cap bolts in several steps, in the order shown in the illustration.
For bolt C - Torque: 7.5 Nm (76 kgf-cm, 66 in-lbf)
For others - Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)
EXHAUST MANIFOLD SUB-ASSEMBLY LH
Torque: 44 Nm (450 kgf-cm, 33 ft-lbf)
EXHAUST MANIFOLD SUB-ASSEMBLY RH
Torque: 44 Nm (450 kgf-cm, 33 ft-lbf)
CAMSHAFT TIMING PULLEY x CAMSHAFT
Torque: 108 Nm (1,101 kgf-cm, 80 ft-lbf)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.