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Home › Ford › 2003 › Excursion 7.3 F, RWD › Repair and Diagnosis › External Pages › Different variant/trim › Section 19 (Engine - 6.8L) › In-Vehicle Repair › Timing Drive Components › Removal

Timing Drive Components: Removal

WARNING: This page is about a different variant/trim than selected.
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 camshaft must be resynchronized. These steps are located in Engine Assembly, Steps 36-48.
  1. Remove the engine front cover. Refer to Engine Front Cover .
  2. Remove the crankshaft sensor ring from the crankshaft.
    Fig 1: Removing Crankshaft Sensor Ring From Crankshaft
    G01544649Courtesy of FORD MOTOR CO.
    3. CAUTION: The caps must be marked for installation in their original location or damage to the engine can occur.
    Fig 2: Removing Bolts And Removing Balance Shaft Bearing Caps
    G01544650Courtesy of FORD MOTOR CO.
  3. Remove the six bolts and remove the balance shaft bearing caps.
  4. Remove the balance shaft.
    Fig 3: Removing Balance Shaft
    G01544651Courtesy of FORD MOTOR CO.
    5. CAUTION: Unless otherwise instructed, at no time when the timing chain (6268) are removed and the cylinder heads (6049) are installed may the crankshaft or camshaft (6250) be rotated. Severe piston (6108) and valve damage will occur.
    Fig 4: Positioning Crankshaft With Keyway At 12 O'Clock Position
    G01544652Courtesy of FORD MOTOR CO.
  5. Position the crankshaft with the keyway at the 12 o'clock position.
  6. Install and carefully tighten the special tool on the camshafts.
    Fig 5: Installing And Tightening Special Tool On Camshafts
    G01544653Courtesy of FORD MOTOR CO.
  7. Remove the timing chain tensioning system from both timing chains.
    1. Remove the bolts.
    2. Remove the timing chain tensioners.
    3. Remove the timing chain tensioner arms.
    Fig 6: Removing Timing Chain Tensioning System From Both Timing Chains
    G01544654Courtesy of FORD MOTOR CO.
  8. Remove the LH and RH timing chain and the crankshaft sprockets.
    • Remove the RH timing chain from the camshaft sprocket.
    • Remove the RH timing chain from the crankshaft sprocket.
    • Remove the LH timing chain from the camshaft sprocket.
    • Remove the LH timing chain from the crankshaft sprocket.
    Fig 7: Removing LH And RH Timing Chain And Crankshaft Sprockets
    G01544655Courtesy of FORD MOTOR CO.
  9. Remove the timing chain guides.
    • Remove the bolts.
    • Remove the timing chain guides.
    Fig 8: Removing Timing Chain Guides
    G01544656Courtesy of FORD MOTOR CO.
    10. NOTE: Romeo engine shown; Windsor engine similar.
    Fig 9: Removing Camshaft Sprocket And Bolt
    G01544657Courtesy of FORD MOTOR CO.
  10. On engine with bolt-on sprockets, remove the camshaft sprocket.
    1. Remove the bolt.
    2. Remove the camshaft sprocket.
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