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Home >> Chevrolet >> 2012 >> Cruze LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 217 (Engine Mechanical - 1.4L (LDD, LDU, LUH, Or LUJ) - Repair Instructions - Off Vehicle (1 Of 2)) >> Cylinder Head Cleaning and Inspection >> Cylinder Head Measurement

Cylinder Head Measurement

WARNING: This page is about a different car, the 2011 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Using Straightedge To Inspect Cylinder Head Sealing Surface For Flatness
    GM2189666Courtesy of GENERAL MOTORS CORP.
  1. Inspect the cylinder head sealing surface for flatness. Use a straightedge (1).
  2. Measure the valve guide inner diameter. Note the measurement results. Refer to Engine Mechanical Specifications to find the permitted values.
  3. Substract the valve stem diameter from valve guide inner diameter to calculate the valve stem to guide clearance. Refer to Engine Mechanical Specifications to find the permitted values.
  4. Turn the cylinder head upside down.
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