Engine Assembly Inspection


  1. INSPECT INTAKE MANIFOLD

  2. INSPECT EXHAUST MANIFOLD

Engine Assembly -- Inspection



1. INSPECT INTAKE MANIFOLD


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.1Gr-Fe Engine Mechanical.Engine Assembly.Engine Assembly Inspection

  1. Using a precision straightedge and feeler gauge, measure the warpage of the contact surface of the cylinder head and intake air surge tank.

    Maximum warpage:
    Item
    		Specified Condition
    Intake manifold side
    		0.8 mm (0.031 in.)
    Cylinder head side
    		0.2 mm (0.008 in.)
    If the warpage is greater than the maximum, replace the intake manifold.


2. INSPECT EXHAUST MANIFOLD


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.1Gr-Fe Engine Mechanical.Engine Assembly.Engine Assembly Inspection

  1. Using a precision straightedge and feeler gauge, measure the warpage of the contact surface of the cylinder head.

    Maximum warpage:
    0.7 mm (0.028 in.)
    If the warpage is greater than the maximum, replace the exhaust manifold.
    HINT:
    Maximum warpage of each installation surface:
    0.3 mm (0.012 in.)