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Home >> GMC >> 2010 >> Acadia SLE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 181 (Engine Mechanical - 2.8L Or 3.0L - Repair Instructions - Off Vehicle (4 Of 5)) >> Secondary Camshaft Intermediate Drive Chain Installation - Left Side >> Installation Procedure

Installation Procedure

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 Camshafts & Special Tool EN 48383-1
    GM1978054Courtesy of GENERAL MOTORS CORP.
    NOTE: There should be no need to rotate the camshaft more than 10 degrees. Using the hex cast into the camshaft rotate the camshaft in order to install the EN 48383:  tools.
  1. Install the EN 48383-1 onto the rear of the left camshafts.
    2. NOTE: All camshafts must be locked in place before installation of any camshaft drive chains.
  2. Ensure that the EN 48383-1 is fully seated onto the camshafts.
    3. Fig 2: View Of Crankshaft Sprocket Timing Mark & Oil Pump Cover
    GM1852307Courtesy of GENERAL MOTORS CORP.
  3. Ensure the crankshaft is in the stage one timing position with the crankshaft sprocket timing mark (1) aligned to the stage one timing mark on the oil pump cover (2) using the EN 48589:  socket. Refer to Timing Chain Alignment Diagram .
    4. Fig 3: Identifying Secondary Camshaft Drive Chain
    GM1852354Courtesy of GENERAL MOTORS CORP.
  4. Install the left secondary camshaft drive chain.
    5. Fig 4: Identifying Timing Camshaft Drive Chain Link & Alignment Access Hole
    GM1852356Courtesy of GENERAL MOTORS CORP.
  5. Place the left secondary camshaft drive chain around the inner sprocket of the left camshaft intermediate drive chain idler with the timing camshaft drive chain link (1) aligned to the alignment access hole (2) made in the left camshaft intermediate drive chain idler outer sprocket.
    6. Fig 5: View Of Camshaft Drive Chain Links
    GM1852357Courtesy of GENERAL MOTORS CORP.
  6. Wrap the secondary camshaft drive chain around both left actuator drive sprockets.
  7. Ensure there are 10 links (1) between the timing camshaft drive chain links for the camshaft position actuator sprockets.
    8. Fig 6: View Of Camshaft Marks
    GM1852360Courtesy of GENERAL MOTORS CORP.
  8. Align the left exhaust camshaft position actuator sprocket alignment circle mark (2) with the timing camshaft drive chain link (1).
    9. Fig 7: View Of Camshaft Marks
    GM1852362Courtesy of GENERAL MOTORS CORP.
  9. Align the left intake camshaft position actuator sprocket alignment circle mark (1) with the timing camshaft drive chain link (2).
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