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Home › Lincoln › 2004 › Navigator RWD › Repair and Diagnosis › Engine Mechanical › Mechanical › Engine - 5.4L › In-Vehicle Repair › Timing Drive Components › Removal

Timing Drive Components: Removal

CAUTION: Since the engine is not free-wheeling, if the crankshaft or the camshafts are moved in any manner during removal and installation, the crankshaft and the camshafts must be re-synchronized.
  1. Remove the engine front cover. For additional information, refer to ENGINE FRONT COVER .
  2. Remove the crankshaft sensor ring from the crankshaft.
    Fig 1: Removing Crankshaft Sensor Ring From Crankshaft
    G02782408Courtesy of FORD MOTOR CO.
  3. Rotate the crankshaft until the timing mark on the RH camshaft sprocket is approximately at the 11 o'clock position, and the timing mark on the LH camshaft sprocket is approximately at the 12 o'clock position.
    Fig 2: Identifying Timing Mark On LH Camshaft Sprocket
    G02782409Courtesy of FORD MOTOR CO.
    4. CAUTION: Unless otherwise instructed, at no time when the timing chains are removed and the cylinder heads are installed is the crankshaft or the camshaft to be rotated. Severe piston and valve damage will occur.
    Fig 3: Positioning Crankshaft Using Special Tool
    G02782410Courtesy of FORD MOTOR CO.
  4. Using the special tool, position the crankshaft as shown.
  5. Install the special tool.
    Fig 4: Installing Special Tool
    G02782411Courtesy of FORD MOTOR CO.
    6. NOTE: LH shown; RH similar.
    Fig 5: Removing Bolts, Timing Chain Tensioner And Tensioner Arm
    G02782412Courtesy of FORD MOTOR CO.
  6. Remove the two bolts, the timing chain tensioner and tensioner arm.
    7. CAUTION: Unless otherwise instructed, at no time when the timing chains are removed and the cylinder heads are installed is the crankshaft or the camshaft to be rotated. Severe piston and valve damage will occur.
    CAUTION: Do not remove the special tool from the camshafts.
    Fig 6: Removing Right And Left Timing Chains And Crankshaft Sprocket From Crankshaft
    G02782413Courtesy of FORD MOTOR CO.
  7. Remove the LH and RH timing chains and the crankshaft sprockets.
    • Remove the special tool from the crankshaft.
    • Remove the timing chains from the camshaft sprockets.
    • Remove the right and left timing chains and the crankshaft sprocket from the crankshaft.
    8. CAUTION: The bolts are different lengths and must be returned to their original location.
    NOTE: LH shown; RH similar.
    Fig 7: Removing Bolts And Timing Chain Guides
    G02782414Courtesy of FORD MOTOR CO.
  8. Remove the bolts and the timing chain guides.
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