Intake Manifold Inspection

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Uz-Fe Intake. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSPECT INTAKE MANIFOLD SUB-ASSEMBLY UPPER

  2. INSPECT INTAKE MANIFOLD SUB-ASSEMBLY LOWER

Intake Manifold -- Inspection



1. INSPECT INTAKE MANIFOLD SUB-ASSEMBLY UPPER


Lexus Gs430, Gs300. Uzs190 Grs190

  1. Using a precision straightedge and feeler gauge, measure the surface contacting the intake manifold upper for warpage.

    Maximum warpage:
    0.10 mm (0.0039 in.)
    If the warpage is greater than the maximum, replace the intake manifold sub-assembly upper.


2. INSPECT INTAKE MANIFOLD SUB-ASSEMBLY LOWER


Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Intake.Intake System.Intake Manifold Inspection

  1. Using a precision straightedge and feeler gauge, measure the surface contacting the cylinder head and intake manifold for warpage.

    Maximum warpage:
    0.15 mm (0.0059 in.)
    If the warpage is greater than the maximum, replace the intake manifold sub-assembly lower.