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Home >> Ford >> 1992 >> Crown Victoria Base, AOD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.6L V8 - VIN [W] >> Removal & Installation >> Timing Chains >> Removal

Timing Chains: Removal

  1. Remove camshaft covers. It will be necessary to release fuel pressure and disconnect fuel lines for left camshaft cover removal. See FUEL PRESSURE RELEASE & FUEL LINE CONNECTIONS .
  2. Remove front cover. See FRONT COVER R & I . Remove crank sensor wheel from crankshaft. Rotate engine so No. 1 cylinder is at TDC. This positions crankshaft keyway 45 degrees from vertical position. See Fig 2. Camshaft keyways will point toward crankshaft.
    Fig 1: Exploded View of Timing Chain & Components
    G91E07206Courtesy of FORD MOTOR CO.
    Fig 2: Aligning Camshaft & Crankshaft Timing Marks
    G91G07207Courtesy of FORD MOTOR CO.
    Fig 3: Installing Camshaft Positioners
    G91I07208Courtesy of FORD MOTOR CO.
  3. Install Camshaft Positioners (T91P-6256-A) on flat areas of camshaft. See Fig 3. Remove retaining bolts, right chain tensioner, right tensioner arm and right chain guide. See Fig 1.
    CAUTION: Mark component location for reassembly reference. Components MUST BE installed in original location.
  4. Remove right timing chain and crankshaft sprocket. Note direction of sprocket installation. If necessary, remove retaining bolt, washer, camshaft sprocket and spacer.
  5. Remove retaining bolts, left chain tensioner, left tensioner arm and left chain guide. See Fig 1. Remove left timing chain and crankshaft sprocket. Note direction of sprocket installation. If necessary, remove retaining bolt, washer, camshaft sprocket and spacer.
CAUTION: DO NOT  rotate engine with timing chain removed.
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