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Home >> GMC >> 2011 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Engine Mechanical - 2.8L Or 3.0L - Repair Instructions - Off Vehicle (2 Of 5)) >> Camshaft Timing Drive Components Cleaning and Inspection >> Visual Inspection >> Left Intermediate Sprocket with Primary and Secondary Inverted Tooth (IT) Chain

Left Intermediate Sprocket with Primary and Secondary Inverted Tooth (IT) Chain

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Left Intermediate Sprocket Inspection Locations
    GM1849191Courtesy of GENERAL MOTORS CORP.
  1. Inspect the front of the left intermediate sprocket for the following:
    • Damage to the primary camshaft drive chain sprocket (1)
    • Damage to the hub bearing (2)-Ensure the hub bearing spins freely. If the hub bearing wobbles, is noisy, or feels rough when rotated, replace the intermediate sprocket.
    • Damage to the bolt flange seating/sealing surface (3)
    2. Fig 2: View Of Intermediate Sprocket Inspection Locations
    GM1849192Courtesy of GENERAL MOTORS CORP.
  2. Inspect the back of the left intermediate sprocket for the following:
    • Damage to the left secondary camshaft drive chain sprocket (1)
    • Damage to the bearing hub-to-engine block sealing surface (2)
  3. Replace a damaged left intermediate sprocket.
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