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 MANUALSINFINITI2008FX45 AWD V8-4.5L (VK45DE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSTIGHTENING TORQUE AND SEQUENCEINTAKE MANIFOLD
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)
Intake Manifold
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)SECTION Intake Manifold
EM-175 Component (Part 1):
EM-175 Component (Part 2):
Intake Manifold (Lower)
Tighten in numerical order as shown in the figure.
<---: Engine front
There are two types of mounting bolts. Refer to the following for locating bolts.
M8 x 90 mm: (3.54 in) 7, 8
M8 x 35 mm: (1.38 in) Except the above
Intake Manifold (Upper)
Tighten in numerical order as shown in the figure.
<---: Engine front
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.