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Home >> Chevrolet >> 2004 >> Malibu Maxx >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Engine Mechanical - 3.6L (Ly7) (Repair Instructions - 3 Of 5)) >> Off-Vehicle Repair Instructions (Part 2) >> Valve Spring Inspection and Measurement >> Measurement Procedure

Measurement Procedure

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of J 22738-B
    GM1210909Courtesy of GENERAL MOTORS CORP.
  1. Measure the valve spring tension using the J 22738-B  . See Special Tools . Refer to Engine Mechanical Specifications .
  2. If low valve spring load is found, replace the valve springs. DO NOT use shims to increase spring load. The use of shims can cause the valve spring to bottom out before the camshaft lobe is at peak lift.
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