INSPECTION <4B1, 6B3>




INLET MANIFOLD CHECK <4B1>


1.Check the inlet manifold for damage and cracks, and replace it if necessary.
2.Check the vacuum outlet port for clogging, and clean it if necessary.


INLET MANIFOLD CHECK <6B3>


1.Check for damage or cracking of any part.
2.Clogging of the negative pressure (vacuum) outlet port, or clogging of the exhaust gas recirculation passages.
3.Using a straight edge and feeler gauge, check for distortion of the cylinder head installation surface.

    Standard value: 0.15 mm or less
    Limit: 0.20 mm