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Fig. 459: Inspecting CMP Actuator For Broken Spring 2. Clean the CMP actuator with cleaning solvent. 3. Dry the components with compressed air. 4. Inspect the CMP actuator for a broken spring (1). CAUTION: Refer to Safety Glasses and Compressed Air Caution .
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
Fig. 460: CMP Actuator Inspection Points 5. Inspect the CMP actuator for the following conditions: Improper positioning of the CMP reluctor wheel. The actuator return spring should Nicked or damaged edges (3) on the CMP reluctor wheel
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
Damaged timing chain teeth (4) Fig. 461: View Of Oil Passages 6. Inspect the CMP actuator for dirt, debris, or restrictions within the oil passages (1, 2, 3).
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
Fig. 462: Timing Chain Tensioner Inspection Points 7. Inspect the timing chain tensioner for the following conditions: Damaged or broken tension spring (1) Excessive wear or scoring on the chain guide surfaces (2, 3) CAMSHAFT POSITION ACTUATOR MAGNET CLEANING AND INSPECTION
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
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