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Home >> Pontiac >> 2009 >> G3 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Engine Mechanical - 1.6L (LDE, LLU, And LXV) Or 1.8L (2H0) - Repair Instructions - On Vehicle) >> Valve Spring Inspection and Measurement

Valve Spring Inspection and Measurement

WARNING: This page is about a different car, the 2010 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Inspecting Valve Spring Height
    GM1224677Courtesy of GENERAL MOTORS CORP.
  1. Measure the valve spring height (a). Refer to Engine Mechanical Specifications . If the valve spring height does not match the specifications, replace the valve spring.
    2. Fig 2: Valve Spring Squareness
    GM2049765Courtesy of GENERAL MOTORS CORP.
  2. Measure the valve spring squareness (a). Refer to Engine Mechanical Specifications . If the valve spring squareness does not match the specifications, replace the valve spring.
  3. Inspect the valve spring seating surface of the valve rotators for wear or gouges. Replace as required.
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