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Home >> Ford >> 2018 >> Mustang GT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine - 2.3L ECOBOOST (231KW/314PS)) >> Removal And Installation >> Crankshaft Front Seal >> Removal

Crankshaft Front Seal: Removal

WARNING: This page is about a different variant/trim than selected.
NOTE: Do not loosen or remove the crankshaft pulley bolt without first installing the special tools as instructed in this procedure. The crankshaft pulley and the crankshaft timing sprocket are not keyed to the crankshaft. The crankshaft, the crankshaft sprocket and the pulley are fitted together by friction. For that reason, the crankshaft sprocket is also unfastened if the pulley bolt is loosened. Before any repair requiring loosening or removal of the crankshaft pulley bolt, the crankshaft and camshafts must be locked in place by the special service tools, otherwise severe engine damage can occur.
NOTE: During engine repair procedures, cleanliness is extremely important. All parts must be thoroughly cleaned and any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan, can cause engine failure.
  1. With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
  2. Remove the accessory drive belt. Refer to: Accessory Drive Belt .
  3. Disconnect the A/C compressor electrical connectors and the wire harness retainers.
    GFD285181Courtesy of FORD MOTOR COMPANY
  4. Remove the bolts, position and support the A/C compressor aside.
    GFD285182Courtesy of FORD MOTOR COMPANY
    • Remove the 2 bolts and the CKP sensor.

    • Disconnect the CKP sensor electrical connector.

    GFD285183Courtesy of FORD MOTOR COMPANY
  6. Turn the crankshaft clockwise until the No. 1 piston is 45 degrees BTDC using the guide holes on the engine front cover and the crankshaft pulley.
    GFD285184Courtesy of FORD MOTOR COMPANY
  7. Remove the engine plug bolt.
    GFD285185Courtesy of FORD MOTOR COMPANY
  8. Install Special Service Tool: 303-507 Timing Peg, Crankshaft TDC.
    GFD285186Courtesy of FORD MOTOR COMPANY
  9. NOTE: The Crankshaft TDC Timing Peg will contact the crankshaft and prevent it from turning past TDC. However, the crankshaft can still be rotated in the counterclockwise direction. The crankshaft must remain at the TDC position during the crankshaft pulley removal and installation.
    NOTE: The engine front cover is removed from graphic for clarity.

    Rotate the crankshaft clockwise until the contacts the special tool. Use Special Service Tool: 303-507 Timing Peg, Crankshaft TDC.

    GFD285187Courtesy of FORD MOTOR COMPANY
  10. Remove the RH and LH CMP sensors. Refer to: Camshaft Position (CMP) Sensor .
  11. NOTE: Exhaust camshaft shown, intake camshaft similar.
    NOTE: The camshaft trigger wheels are offset. If the camshaft trigger wheels are not correctly aligned, the camshaft holding tools will not be able to be installed in the next step.

    Make sure the camshaft trigger wheels are correctly aligned as shown. If the trigger wheels are not correctly aligned, remove the TDC Timing Peg and rotate the crankshaft three-fourths of a revolution clockwise and repeat steps 8 and 9 of this removal procedure.

    GFD285188Courtesy of FORD MOTOR COMPANY
  12. NOTE: The Camshaft Holding Tool is for camshaft alignment only. Using this tool to prevent engine rotation can result in engine damage.

    Install Special Service Tool: 303-1686 Holding Tool, Camshaft.

    GFD285189Courtesy of FORD MOTOR COMPANY
  13. NOTE: The crankshaft must remain in the TDC position during removal of the pulley bolt or damage to the engine can occur. Therefore, the crankshaft pulley must be held in place with the Crank Damper Holding Tool and the bolt should be removed using an air impact wrench (1/2-in drive minimum).

    • Using the special tool, remove the bolt, washer and the crankshaft pulley. Use Special Service Tool: 303-1689 Holding Tool, Crank Damper.

    • NOTE: If necessary, retain the original crankshaft pulley bolt to use for the removal of the crankshaft front seal.

      Discard the bolt.

    GFD285190Courtesy of FORD MOTOR COMPANY
  14. Install the old crankshaft pulley bolt.
    GFD285191Courtesy of FORD MOTOR COMPANY
  15. NOTE: Use care not to damage the engine front cover or the crankshaft when removing the seal.

    Using the special tool, remove and discard the crankshaft front seal. Use Special Service Tool: 303-409 (T92C-6700-CH) Remover, Crankshaft Seal.

    GFD285192Courtesy of FORD MOTOR COMPANY
  16. Remove and discard the crankshaft pulley bolt.
GFD285193Courtesy of FORD MOTOR COMPANY
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