2004 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Torque Specification

Torque Specification

Part tightened N.m kgf.cm ft.lbf
Intake manifold x Cylinder head 18 185 159
Fuel pipe sub-assey No. 2 x Fuel main hose 35 355 26
Vacuum switching valve x Intake manifold 7.5 80 66 in..lbf
V-Bank cover fastener x Intake manifold 7.5 80 66 in..lbf
V-Bank cover bracket No. 3 x Intake manifold 7.5 80 66 in..lbf
V-Bank cover bracket No. 2 x Intake manifold 7.5 80 66 in..lbf
V-Bank cover bracket No. 1 x Intake manifold 7.5 80 66 in..lbf
Intake air connector pipe x Intake manifold for clamp 4.0 40 35 in..lbf
for bolt 5 44 in..lbf
V-Bank cover x V-Bank cover bracket 5.0 50 44 in..lbf
Factory Service Tools

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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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