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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 3.5L) >> Installation >> Oil Pump

Oil Pump

WARNING: This page is about a different variant/trim than selected.
NOTE: During engine repair procedures, cleanliness is extremely important. 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.
    NOTE: Install a new oil pump screen and pickup tube O-ring seal prior to installing the oil pump.
  1. Position the oil pump onto the crankshaft and rotate counterclockwise to position the pump onto the oil pump screen and pickup tube.
    • Install the 3 bolts and tighten to 10 Nm (89 lb-in).
      Fig 1: Location of Oil Pump Bolts
      G06270857Courtesy of FORD MOTOR CO.
  2. Install the 2 oil pump screen and pickup tube bolts.
    • Tighten to 10 Nm (89 lb-in).
      Fig 2: Location of Oil Pump Screen And Pickup Tube Bolts
      G06062092Courtesy of FORD MOTOR CO.
  3. Install the crankshaft timing chain sprocket.
    Fig 3: Location of Crankshaft Timing Chain Sprocket
    G08021038Courtesy of FORD MOTOR CO.
  4. NOTE: The crankshaft sprocket timing mark should be between the 2 colored links.
    Fig 4: Aligning Primary Timing Chain & Routing Colored Links With Timing Marks
    G07399074Courtesy of FORD MOTOR CO.
  5. Install the primary timing chain with the colored links aligned with the timing marks on the VCT assemblies and the crankshaft sprocket.
  6. Install the lower LH primary timing chain guide and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
      Fig 5: Location of Bolts And Lower LH Primary Timing Chain Guide
      G07464723Courtesy of FORD MOTOR CO.
  7. Install the primary timing chain tensioner arm.
    Fig 6: Location of Primary Timing Chain Tensioner Arm
    G07464722Courtesy of FORD MOTOR CO.
  8. Reset the primary timing chain tensioner.
    1. Release the ratchet detent.
    2. Using a soft-jawed vise, compress the ratchet plunger.
    3. Align the hole in the ratchet plunger with the hole in the tensioner housing and install a suitable lockpin.
      Fig 7: Compressing Ratchet Plunger Using Soft-Jawed Vise
      G07464740Courtesy of FORD MOTOR CO.
  9. NOTE: It may be necessary to rotate the crankshaft slightly to remove slack from the timing chain and install the tensioner.
  10. Install the primary tensioner and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
    • Remove the lockpin.
      Fig 8: Location of Primary Tensioner And Bolts
      G07464741Courtesy of FORD MOTOR CO.
  11. As a post-check, verify correct alignment of all timing marks.
    • There are 48 links between the RH intake VCT assembly colored link (1) and the LH intake VCT assembly colored link (2).
    • There are 35 links between the LH intake VCT assembly colored link (2) and the 2 crankshaft sprocket colored links (3).
      Fig 9: Aligning Primary Timing Chain & Routing Colored Links With Timing Marks
      G07464742Courtesy of FORD MOTOR CO.
  12. Install new VCT housing seals.
    Fig 10: Location of VCT Housing Seals
    G08000003Courtesy of FORD MOTOR CO.
  13. NOTE: RH shown in illustration, LH similar.
    NOTE: During removal, the O-ring seal may remain on the cylinder head. If so, remove the O-ring seal from the cylinder head, inspect the seal (replace as necessary) and install the O-ring seal on the VCT housing.
    Fig 11: Identifying VCT Housing To Cylinder Head O-Ring
    G07464754Courtesy of FORD MOTOR CO.
  14. Inspect the VCT housing-to-cylinder head O-ring seals for damage and replace as necessary.
  15. NOTE: Make sure the dowels on the Variable Camshaft Timing (VCT) housing are fully engaged in the cylinder head prior to tightening the bolts. Failure to follow this process will result in severe engine damage.
  16. Install the LH VCT housing and the 3 bolts.
    • Tighten in the sequence shown in illustration to 10 Nm (89 lb-in).
      Fig 12: Identifying LH VCT Housing Bolts Tightening Sequence
      G08000005Courtesy of FORD MOTOR CO.
  17. NOTE: Make sure the dowels on the Variable Camshaft Timing (VCT) housing are fully engaged in the cylinder head prior to tightening the bolts. Failure to follow this process will result in severe engine damage.
  18. Install the RH VCT housing and the 3 bolts.
    • Tighten in the sequence shown in illustration to 10 Nm (89 lb-in).
      Fig 13: Identifying RH VCT Housing Bolts Tightening Sequence
      G08000006Courtesy of FORD MOTOR CO.
  19. Install the engine front cover. For additional information, refer to ENGINE FRONT COVER  .