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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 49 (Cylinder Head Assembly (HEV)) >> Cylinder Head >> Repair Procedures >> Inspection >> Exhaust Camshaft Bearing

Exhaust Camshaft Bearing

WARNING: This page is about a different variant/trim than selected.
  1. Check the cylinder head bore mark.

    Cylinder Head Bore Identification Mark 

    Fig 1: Locating Cylinder Head Bore Identification Mark
    G10588267Courtesy of HYUNDAI MOTOR AMERICA
    CYLINDER HEAD INSIDE DIAMETER SPECIFICATIONS

    Class Mark Exhaust No. 1 Inside Diameter Of Cylinder Head Bore
    a A 40.000 ~ 40.008 mm (1.57480 ~ 1.5751 in.)
    b B 40.008 ~ 40.016 mm (1.57511 ~ 1.57543 in.)
    c C 40.016 ~ 40.021 mm (1.57543 ~ 1.57563 in.)
  2. Select class of camshaft bearing same as class of cylinder head as shown on the table below.

    Exhaust Camshaft Bearing Identification Mark 

    Fig 2: Identifying Exhaust Camshaft Bearing Color
    G10588268Courtesy of HYUNDAI MOTOR AMERICA
    EXHAUST CAMSHAFT BEARING THICKNESS SPECIFICATIONS

    Cylinder Head Bore Class Bearing Class For Installing (Color) Thickness Of Bearing
    a (A) C (Green) 1.996~2.000 mm (0.07858~0.07874 in.)
    b (B) B (None) 2.000~2.004 mm (0.07874~0.07890 in.)
    c (C) A (Black) 2.004~2.008 mm (0.07890~0.07905 in.)

    Oil clearance:  0 ~ 0.032 mm (0 ~ 0.00126 in.)