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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1287 (Engine - 4.6L And 5.4L) >> In-Vehicle Servicing >> Timing Drive Components - Romeo Engine (4.6L) >> Installation

Timing Drive Components - Romeo Engine (4.6L): Installation

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    CAUTION: Timing chain procedures must be followed exactly or damage to valves and pistons will result.
    CAUTION: Prior to installation, inspect the tensioner-sealing bead for seal integrity. If cracks, tears, separation from the tensioner body or permanent compression of the seal bead is observed, install a new tensioner. Failure to follow these instructions may result in engine damage.
  1. Compress the tensioner plunger, using a vise.
    2. Fig 1: Compressing Tensioner Plunger
    G03885344Courtesy of FORD MOTOR CO.
  2. Install a retaining clip on the tensioner to hold the plunger in during installation.
    3. Fig 2: Identifying Retaining Clip on Tensioner
    G03881580Courtesy of FORD MOTOR CO.
  3. If the copper links are not visible, mark 1 link on one end and 1 link on the other end, and use as timing marks.
    4. Fig 3: Identifying Timing Chain Copper Links
    G03881581Courtesy of FORD MOTOR CO.
  4. Install the crankshaft sprocket, making sure the flange faces forward.
    5. Fig 4: Identifying Crankshaft Sprocket
    G03919967Courtesy of FORD MOTOR CO.
  5. Install the timing chain guides.
    1. Position the LH timing chain guide.
    2. Install and tighten the LH bolts.
    3. Position the RH timing chain guide.
    4. Install and tighten the RH bolts.
    5. Tighten to 10 Nm (89 lb-in).
    6. Fig 5: Identifying Timing Chain Guides
    G03962457Courtesy of FORD MOTOR CO.
    CAUTION: Unless otherwise instructed, do not rotate either the crankshaft or the camshafts, when the timing chains are removed and the cylinder heads are installed. Severe piston and valve damage will occur.
    NOTE: The No. 1 cylinder is at top dead center (TDC) when the stud on the engine block fits into the slot in the handle of the special tool.
  6. Using the special tool, position the crankshaft so the No. 1 cylinder is at TDC.
    7. Fig 6: Positioning Crankshaft With Special Tool (303-448)
    G03919963Courtesy of FORD MOTOR CO.
  7. Remove the special tool.
    8. Fig 7: Positioning Crankshaft With Special Tool (303-448)
    G03919963Courtesy of FORD MOTOR CO.
  8. Position the LH (inner) timing chain on the crankshaft sprocket, aligning the copper (marked) link with the timing mark on the sprocket.
    9. Fig 8: Aligning Copper (Marked) Link With Timing Mark On Crankshaft Sprocket
    G03962459Courtesy of FORD MOTOR CO.
  9. Install the LH timing chain on the camshaft sprocket, aligning the copper (marked) link with the timing marks on the sprocket.
    10. Fig 9: Aligning Copper (Marked) Link With Timing Mark On Camshaft Sprocket
    G03962460Courtesy of FORD MOTOR CO.
    NOTE: The LH timing chain tensioner arm has a bump near the dowel hole for identification.
  10. Position the LH timing chain tensioner arm on the dowel pin and install the LH timing chain tensioner.
    • Tighten to 25 Nm (18 lb-ft).
    11. Fig 10: Locating LH Timing Chain Tensioner
    GF0002622Courtesy of FORD MOTOR CO.
  11. Remove the retaining clip from the LH timing chain tensioner.
    12. Fig 11: Identifying Retaining Clip And Timing Chain Tensioner
    G03881591Courtesy of FORD MOTOR CO.
  12. Position the RH (outer) timing chain on the crankshaft sprocket, aligning the copper (marked) link with the timing mark on the sprocket.
    13. Fig 12: Aligning Copper (Marked) Link With Timing Mark On Crankshaft Sprocket
    G03948189Courtesy of FORD MOTOR CO.
  13. Install the RH timing chain on the camshaft sprocket, aligning the copper (marked) link with the timing marks on the sprocket.
    14. Fig 13: Aligning Copper (Marked) Link With Timing Mark On Camshaft Sprocket
    G03885941Courtesy of FORD MOTOR CO.
  14. Position the RH timing chain tensioner arm on the dowel pin and install the RH timing chain tensioner.
    • Tighten to 25 Nm (18 lb-ft).
    15. Fig 14: Locating RH Timing Chain Tensioner Arm
    GF0002623Courtesy of FORD MOTOR CO.
  15. Remove the retaining clip from the RH timing chain tensioner.
    16. Fig 15: Identifying Retaining Clip And Timing Chain Tensioner
    G03881591Courtesy of FORD MOTOR CO.
  16. Make sure that the copper (marked) chain links are lined up with the dots on the crankshaft sprockets and the camshaft sprocket.
    17. Fig 16: Identifying Copper (Marked) Chain Links And Dots On Crankshaft Sprockets And Camshaft Sprockets
    G03962922Courtesy of FORD MOTOR CO.
  17. Remove the special tools from the camshaft.
    18. Fig 17: Installing/Removing Special Tools On Camshaft
    GF0002620Courtesy of FORD MOTOR CO.
  18. Install the crankshaft sensor ring on the crankshaft.
    19. Fig 18: View Of Crankshaft Sensor Ring At Crankshaft
    G04583449Courtesy of FORD MOTOR CO.
  19. Install the engine front cover. For additional information, refer to Engine Front Cover .
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