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Home >> Lincoln >> 2019 >> MKZ Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine - 3.0L ECOBOOST (2 Of 2)) >> Disassembly >> Engine

Section 11 (Engine - 3.0L ECOBOOST (2 Of 2)): Disassembly: Engine

WARNING: This page is about a different variant/trim than selected.

For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .

Special Tool(s) / General Equipment 

GFD376976Courtesy of FORD MOTOR COMPANY
205-153 (T80T-4000-W)Handle
GFD376920Courtesy of FORD MOTOR COMPANY
303-1246Engine Spreader BarTKIT-2006UF-FLMTKIT-2006UF-ROW
GFD376208Courtesy of FORD MOTOR COMPANY
303-1247VCT Spark Plug Tube Seal Remover and InstallerTKIT-2006UF-FLMTKIT-2006UF-ROW
GFD376573Courtesy of FORD MOTOR COMPANY
303-1248Camshaft holding toolsTKIT-2006UF-FLMTKIT-2006UF-ROW
GFD376921Courtesy of FORD MOTOR COMPANY
303-1634Lift Eyes (2)TKIT-2014D-ROW3TKIT-2014D-FL_ROW
GFD376058Courtesy of FORD MOTOR COMPANY
303-409 (T92C-6700-CH)Remover, Crankshaft SealTKIT-1992-FH/FMH/FLMHTKIT-1993-LMH/MH
Floor Crane
Three Leg Puller
Mounting Stand
Plastic Scraper
Hose Clamp Remover/Installer
Flat-Bladed Screwdriver
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: Remove the cylinder heads before removing the crankshaft. Failure to do so can result in engine damage.
NOTE: If the components are to be reinstalled, they must be installed in their original location. Mark the components for installation into their original location.
NOTE: Refer to the exploded view under the Engine Component View in the Description and Operation. (ENGINE - OVERVIEW )
  1. Remove the bolts and the flexplate.
    GFD376888Courtesy of FORD MOTOR COMPANY
  2. Remove the crankshaft sensor ring.
    GFD376787Courtesy of FORD MOTOR COMPANY
  3. Inspect the crankshaft sensor ring for damage. If the crankshaft sensor ring has been dropped or has any visual damage, it must be discarded.
    GFD376788Courtesy of FORD MOTOR COMPANY
    1. Disconnect the CKP sensor electrical connector.
    2. Remove the bolt and the CKP sensor.
    GFD376789Courtesy of FORD MOTOR COMPANY
  4. Remove the bolts and the crankshaft rear seal and retainer plate.

    • Discard the crankshaft rear seal and retainer plate.

    GFD376790Courtesy of FORD MOTOR COMPANY
  5. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper
    GFD376791Courtesy of FORD MOTOR COMPANY
  6. Using a floor crane, install the engine on a mounting stand. Remove Special Service Tool: 303-1246 Engine Spreader Bar., 303-1634 Lift Eyes (2).Use the General Equipment: Floor CraneUse the General Equipment: Mounting Stand
    GFD376956Courtesy of FORD MOTOR COMPANY
    • Remove the bolts and the accessory drive belt tensioner.

    • Remove the bolt and the idler pulley.

    • Remove the bolts and the coolant pump pulley.

    • Remove the generator stud.

    • Remove the bolt and the generator.

    GFD376957Courtesy of FORD MOTOR COMPANY
    • Disconnect the oil pressure control solenoid electrical connector.

    • Remove the retainer and the oil pressure control solenoid.

    GFD376958Courtesy of FORD MOTOR COMPANY
  7. Detach the wiring harness retainers.
    GFD376633Courtesy of FORD MOTOR COMPANY
    • Disconnect the KS electrical connector.

    • Detach the wiring harness retainer.

    • Remove the nut, the bolt and the bracket.

    GFD376977Courtesy of FORD MOTOR COMPANY
  8. Remove the stud bolt and the ground wire.
    GFD376978Courtesy of FORD MOTOR COMPANY
    • Disconnect the high pressure fuel pump electrical connector.

    • Detach the wiring harness retainers.

    • Remove the stud bolt and the ground wire.

    GFD376979Courtesy of FORD MOTOR COMPANY
    1. Disconnect the throttle body electrical connector and detach the wiring harness retainer.

    GFD376959Courtesy of FORD MOTOR COMPANY
    • Disconnect the crankcase pressure sensor electrical connector.

    • Detach the PCV tube retainer.

    GFD376621Courtesy of FORD MOTOR COMPANY
  9. Disconnect the EVAP tube quick release coupling and remove the tube. Refer to: Quick Release Coupling .
    GFD376960Courtesy of FORD MOTOR COMPANY
    1. Disconnect the EVAP tube quick release coupling. Refer to: Quick Release Coupling .
    2. Disconnect the EVAP purge valve electrical connector.
    3. Lift the EVAP purge valve off of the intake manifold mounting tab and remove the valve from the engine.
    GFD376961Courtesy of FORD MOTOR COMPANY
  10. Disconnect the engine wiring harness electrical connectors and retainers.
    GFD376623Courtesy of FORD MOTOR COMPANY
    1. Remove the vacuum harness pressure sensor bolt.
    2. Disconnect the MAP sensor electrical connector.
    3. Detach the wiring harness and vacuum harness retainers.
    GFD376962Courtesy of FORD MOTOR COMPANY
    • Slide the insulator up to access the CHT electrical connector.

    • Disconnect the engine wiring harness electrical connectors and detach the wiring harness retainers.

    GFD376963Courtesy of FORD MOTOR COMPANY
    • Disconnect the engine wiring harness electrical connectors.

    • Detach the wiring harness retainers and remove the harness from the engine.

    GFD376964Courtesy of FORD MOTOR COMPANY
  11. Detach the vacuum hose retainers.

    • Release the clamp and disconnect the vacuum hose from the TC.

    GFD376965Courtesy of FORD MOTOR COMPANY
    1. Release the clamp and disconnect the vacuum hose from the TC.
    2. Remove the vacuum control solenoid bolts.
    3. Disconnect the vacuum tube quick release coupling. Refer to: Quick Release Coupling .
    4. Detach the retainers and remove the vacuum tube assembly from the engine.
    GFD376966Courtesy of FORD MOTOR COMPANY
  12. NOTE: When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.

    Remove the bolts and the coil-on-plug assemblies.

    GFD376639Courtesy of FORD MOTOR COMPANY
  13. Remove the oil level indicator.
    GFD376914Courtesy of FORD MOTOR COMPANY
  14. NOTE: If the engine is repaired or replaced because of upper engine failure, typically including valve or piston damage, check the intake manifold for metal debris. If metal debris if found, install a new intake manifold. Failure to follow these instructions can result in engine damage.

    Loosen the bolts and remove the intake manifold.

    GFD376980Courtesy of FORD MOTOR COMPANY
  15. Inspect the gaskets and replace as necessary.
    GFD376899Courtesy of FORD MOTOR COMPANY
  16. NOTE: To release the fuel pressure in the high-pressure fuel tube, wrap the high-pressure fuel tube flare nuts with a shop towel to absorb any residual fuel pressure during the loosening of high-pressure fuel tube flare nuts.

    • Loosen the high-pressure fuel pump-to-fuel rail high-pressure fuel tube flare nuts.

    • Remove and discard the high-pressure fuel tube.

    GFD376755Courtesy of FORD MOTOR COMPANY
  17. NOTE: Alternately loosen the high-pressure fuel pump nuts one revolution at a time.

    Remove the nuts and the high-pressure fuel pump.

    GFD376756Courtesy of FORD MOTOR COMPANY
  18. Remove and discard the high-pressure fuel pump O-ring seal.
    GFD376757Courtesy of FORD MOTOR COMPANY
  19. Remove the high-pressure fuel pump tappet.
    GFD376758Courtesy of FORD MOTOR COMPANY
  20. Inspect the high-pressure fuel pump roller tappet. If any flat spots or scoring are found, especially in the indicated areas, then inspect the high-pressure fuel pump and the high-pressure fuel pump roller tappet drive lobe. Install new components as necessary.
    GFD376759Courtesy of FORD MOTOR COMPANY
  21. Remove the stud bolts and the high-pressure fuel pump drive unit.
    GFD376760Courtesy of FORD MOTOR COMPANY
  22. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper
    GFD376761Courtesy of FORD MOTOR COMPANY
    • Loosen the fuel rail-to-fuel rail high-pressure fuel tube flare nuts.

    • Remove and discard the high-pressure fuel tube.

    GFD376810Courtesy of FORD MOTOR COMPANY
  23. Remove the bolts and the brake vacuum pump.
    GFD376981Courtesy of FORD MOTOR COMPANY
  24. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper
    GFD376658Courtesy of FORD MOTOR COMPANY
  25. Remove the bolts and the coolant pump.
    GFD376655Courtesy of FORD MOTOR COMPANY
  26. Remove and discard the coolant pump gasket and seal.
    GFD376656Courtesy of FORD MOTOR COMPANY
  27. Remove the bolts and the TC heat shield.
    GFD376982Courtesy of FORD MOTOR COMPANY
  28. Remove the bolts and the TC oil supply tube.
    GFD376799Courtesy of FORD MOTOR COMPANY
  29. Remove and discard the TC oil supply tube oil filter and the O-ring seals.
    GFD376800Courtesy of FORD MOTOR COMPANY
  30. Remove the bolts and the TC oil return tube.
    GFD376801Courtesy of FORD MOTOR COMPANY
  31. Remove and discard the TC oil return tube O-ring seal.
    GFD376802Courtesy of FORD MOTOR COMPANY
  32. Remove and discard the TC oil return tube-to-engine block gasket.
    GFD376803Courtesy of FORD MOTOR COMPANY
  33. Release the clamp and disconnect the TC coolant return hose. Use the General Equipment: Hose Clamp Remover/Installer
    GFD376804Courtesy of FORD MOTOR COMPANY
  34. NOTE: Remove the TC coolant supply tube from the engine block while removing the TC.

    • Remove the TC coolant supply tube bolt.

    • Remove the TC bolt.

    • Remove the nuts and the TC.

    GFD376805Courtesy of FORD MOTOR COMPANY
  35. Remove and discard the TC coolant supply tube O-ring seal.
    GFD376806Courtesy of FORD MOTOR COMPANY
    • Remove and discard the TC gasket.

    • Remove and discard the TC mounting studs.

    GFD376807Courtesy of FORD MOTOR COMPANY
  36. Remove the bolts and the TC oil supply tube.
    GFD376833Courtesy of FORD MOTOR COMPANY
  37. Remove and discard the TC oil supply tube O-ring seals and the TC oil supply tube oil filter.
    GFD376834Courtesy of FORD MOTOR COMPANY
  38. Remove the bolt and disconnect the TC coolant return tube.
    GFD376835Courtesy of FORD MOTOR COMPANY
  39. Remove and discard the TC coolant return tube O-ring seal.
    GFD376836Courtesy of FORD MOTOR COMPANY
  40. NOTE: AWD shown FWD is similar.

    Remove the bolts and the TC oil return tube.

    GFD376838Courtesy of FORD MOTOR COMPANY
  41. Remove and discard the TC oil return tube O-ring seal.
    GFD376802Courtesy of FORD MOTOR COMPANY
  42. Remove and discard the TC oil return tube-to-engine block gasket.
    GFD376803Courtesy of FORD MOTOR COMPANY
  43. Remove the TC coolant supply tube bolt.
    GFD376839Courtesy of FORD MOTOR COMPANY
  44. NOTE: Remove the TC coolant supply tube from the engine block while removing the TC.

    Remove the retainers and the TC.

    GFD376840Courtesy of FORD MOTOR COMPANY
  45. Remove and discard the TC coolant supply tube O-ring seal.
    GFD376806Courtesy of FORD MOTOR COMPANY
  46. Remove and discard the TC gasket.
    GFD376841Courtesy of FORD MOTOR COMPANY
  47. Remove and discard the TC mounting studs.
    GFD376842Courtesy of FORD MOTOR COMPANY
  48. Remove the oil pan bolts.
    GFD376969Courtesy of FORD MOTOR COMPANY
    1. Using a large flat-bladed screwdriver and the indicated pry pads, release the sealer and separate the oil pan from the bottom of the engine.
    2. NOTE: Do not reuse the oil pans sealed by Motorcraft® High Performance Engine RTV Silicone. Oil pans sealed by Motorcraft® High Performance Engine RTV Silicone are to be removed and discarded. The replacement oil pan will have a press-in-place gasket.

      Remove the oil pan. Discard the oil pan if it is sealed with Motorcraft® High Performance Engine RTV Silicone.

    GFD376604Courtesy of FORD MOTOR COMPANY
  49. If equipped, remove and discard the oil pan press-in-place gasket.
    GFD376605Courtesy of FORD MOTOR COMPANY
  50. Remove and discard the oil pump seal.
    GFD376606Courtesy of FORD MOTOR COMPANY
  51. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper
    GFD376607Courtesy of FORD MOTOR COMPANY
  52. Loosen the fasteners and remove the valve cover.
    GFD376640Courtesy of FORD MOTOR COMPANY
  53. Remove and discard the gasket.

    • Clean the valve cover gasket groove with soap and water or a suitable solvent.

    GFD376641Courtesy of FORD MOTOR COMPANY
  54. Inspect the spark plug seals. Remove any damaged seals using the special tools. Use Special Service Tool: 205-153 (T80T-4000-W) Handle., 303-1247 VCT Spark Plug Tube Seal Remover and Installer.
    GFD376642Courtesy of FORD MOTOR COMPANY
  55. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper
    GFD376643Courtesy of FORD MOTOR COMPANY
  56. Loosen the fasteners and remove the valve cover.
    GFD376644Courtesy of FORD MOTOR COMPANY
  57. Remove and discard the gasket.

    • Clean the valve cover gasket groove with soap and water or a suitable solvent.

    GFD376645Courtesy of FORD MOTOR COMPANY
  58. Inspect the spark plug seals. Remove any damaged seals using the special tools. Use Special Service Tool: 205-153 (T80T-4000-W) Handle., 303-1247 VCT Spark Plug Tube Seal Remover and Installer.
    GFD376646Courtesy of FORD MOTOR COMPANY
  59. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper
    GFD376647Courtesy of FORD MOTOR COMPANY
  60. Remove the crankshaft pulley bolt.
    GFD376650Courtesy of FORD MOTOR COMPANY
  61. Using the 3 Leg Puller and a step plate, remove the crankshaft pulley. Use the General Equipment: Three Leg Puller
    GFD376651Courtesy of FORD MOTOR COMPANY
  62. NOTE: Use care not to damage the engine front cover or the crankshaft when removing the seal.

    1. Install the crankshaft pulley bolt.
    2. Using the special tool, remove and discard the crankshaft front oil seal. Use Special Service Tool: 303-409 (T92C-6700-CH) Remover, Crankshaft Seal.
    3. NOTE: Retain the original crankshaft pulley bolt for turning the crankshaft while the pulley is removed.

      Remove the crankshaft pulley bolt.

    GFD376652Courtesy of FORD MOTOR COMPANY
  63. NOTE: There are 4 different types of fasteners, note location of each fastener for assembly.

    Remove the engine front cover fasteners.

    GFD376659Courtesy of FORD MOTOR COMPANY
  64. Using a large flat-bladed screwdriver and the indicated pry pads, release the sealer and remove the engine front cover. Use the General Equipment: Flat-Bladed Screwdriver
    GFD376660Courtesy of FORD MOTOR COMPANY
  65. Remove and discard the engine front cover gaskets.
    GFD376661Courtesy of FORD MOTOR COMPANY
  66. Remove and discard the oil gallery seal (6G068).
    GFD376662Courtesy of FORD MOTOR COMPANY
  67. GFD376663Courtesy of FORD MOTOR COMPANY
  68. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper
    GFD376664Courtesy of FORD MOTOR COMPANY
  69. NOTE: Rotate the crankshaft utilizing only the original crankshaft pulley bolt. Failure to follow this direction may cause damage to the crankshaft and result in engine failure.

    Install the original crankshaft pulley bolt.

    GFD376665Courtesy of FORD MOTOR COMPANY
  70. NOTE: The VCT units have 2 timing marks on them, a triangle and a circle. For removal and installation of the RH side the triangle marks are used.

    1. Rotate the crankshaft clockwise.
    2. Position the crankshaft sprocket keyway at the 11 o'clock position.
    3. Verify the triangle  timing marks on the VCT units are at the 2 o'clock (intake) and 11 o'clock (exhaust) positions. If the circle  timing marks are at these positions the crankshaft must be turned clockwise one revolution (360 degrees).

    GFD376666Courtesy of FORD MOTOR COMPANY
  71. Remove the bolts and the RH timing chain tensioner.
    GFD376667Courtesy of FORD MOTOR COMPANY
  72. Remove the RH timing chain tensioner arm.
    GFD376668Courtesy of FORD MOTOR COMPANY
  73. Remove the bolts and the RH timing chain guide.
    GFD376669Courtesy of FORD MOTOR COMPANY
  74. Remove the RH timing chain.
    GFD376670Courtesy of FORD MOTOR COMPANY
  75. NOTE: The crankshaft must be rotated clockwise one revolution (360 degrees). Failure to do so will result in incorrect camshaft timing.
    NOTE: The VCT units have 2 timing marks on them, a triangle and a circle. For removal and installation of the LH side the circle marks are used.

    1. Rotate the crankshaft clockwise one revolution (360 degrees).
    2. Position the crankshaft sprocket keyway at the 11 o'clock position.
    3. The circle  timing marks on the VCT units will be at the 10 o'clock (intake) and 12:30 (exhaust) positions.

    GFD376673Courtesy of FORD MOTOR COMPANY
  76. Remove the original crankshaft pulley bolt.
    GFD376671Courtesy of FORD MOTOR COMPANY
  77. Remove the timing chain sprocket.
    GFD376672Courtesy of FORD MOTOR COMPANY
  78. Slide the oil pump drive belt off of the crankshaft sprocket and remove the belt.
    GFD376674Courtesy of FORD MOTOR COMPANY
  79. Remove the crankshaft sprocket.
    GFD376675Courtesy of FORD MOTOR COMPANY
  80. Remove the bolts and the LH timing chain tensioner.
    GFD376676Courtesy of FORD MOTOR COMPANY
  81. Remove the LH timing chain tensioner arm.
    GFD376677Courtesy of FORD MOTOR COMPANY
  82. Remove the bolts and the LH timing chain guide.
    GFD376678Courtesy of FORD MOTOR COMPANY
  83. Remove the LH timing chain.
    GFD376679Courtesy of FORD MOTOR COMPANY
  84. Remove the timing chain sprocket.
    GFD376912Courtesy of FORD MOTOR COMPANY
  85. Remove the bolts and the oil pump.
    GFD376971Courtesy of FORD MOTOR COMPANY
    1. Install Special Service Tool: 303-1248 Camshaft holding tools.
    2. Remove and discard the VCT unit bolts.
    3. Remove the VCT units.
    GFD376762Courtesy of FORD MOTOR COMPANY
  86. NOTE: The front camshaft bearing mega cap must be removed first and then the remaining camshaft bearing caps. Failure to follow this direction may result in damage to the engine.

    Remove the bolts and the front camshaft bearing mega cap.

    GFD376763Courtesy of FORD MOTOR COMPANY
  87. Remove the bolts and the camshaft bearing caps.
    GFD376764Courtesy of FORD MOTOR COMPANY
  88. Remove the intake and exhaust camshafts.
    GFD376765Courtesy of FORD MOTOR COMPANY
    1. Remove the camshaft roller follower and hydraulic lash adjuster assemblies.
    2. Separate the hydraulic lash adjusters from the spring clips on the camshaft roller followers.
    3. Inspect the hydraulic lash adjuster and roller follower for damage. If any damage is found, inspect the camshaft lobes and valves for damage. Replace damaged components as necessary.
    GFD376766Courtesy of FORD MOTOR COMPANY
    1. Release the clamp and disconnect the coolant hose. Use the General Equipment: Hose Clamp Remover/Installer
    2. NOTE: Do not pry the cylinder head to coolant outlet connector behind the bracket. If necessary, use gripping pliers to pull the cylinder head to coolant outlet connector from the cylinder head.

      Remove the bolt and the cylinder head to coolant outlet connector hose assembly.

    GFD376844Courtesy of FORD MOTOR COMPANY
    • Remove and discard the cylinder head bolts.

    • Remove the cylinder head.

    GFD376845Courtesy of FORD MOTOR COMPANY
  89. Remove and discard the cylinder head gasket.
    GFD376846Courtesy of FORD MOTOR COMPANY
    • Clean and inspect the cylinder head-to-cylinder block mating surfaces of both the cylinder head and the cylinder block.

    GFD376847Courtesy of FORD MOTOR COMPANY
    1. Install Special Service Tool: 303-1248 Camshaft holding tools.
    2. Remove and discard the VCT unit bolts.
    3. Remove the VCT units.
    GFD376680Courtesy of FORD MOTOR COMPANY
  90. NOTE: The front camshaft bearing mega cap must be removed first and then the remaining camshaft bearing caps. Failure to follow this direction may result in damage to the engine.

    Remove the bolts and the front camshaft bearing mega cap.

    GFD376681Courtesy of FORD MOTOR COMPANY
  91. Remove the bolts and the camshaft bearing caps.
    GFD376682Courtesy of FORD MOTOR COMPANY
  92. Remove the intake and exhaust camshafts.
    GFD376683Courtesy of FORD MOTOR COMPANY
    1. Remove the camshaft roller follower and hydraulic lash adjuster assemblies.
    2. Separate the hydraulic lash adjusters from the spring clips on the camshaft roller followers.
    3. Inspect the hydraulic lash adjuster and roller follower for damage. If any damage is found, inspect the camshaft lobes and valves for damage. Replace damaged components as necessary.
    GFD376684Courtesy of FORD MOTOR COMPANY
    1. Release the clamp and disconnect the coolant hose. Use the General Equipment: Hose Clamp Remover/Installer
    2. NOTE: Do not pry the cylinder head to coolant outlet connector behind the bracket. If necessary, use gripping pliers to pull the cylinder head to coolant outlet connector from the cylinder head.

      Remove the bolt and the cylinder head to coolant outlet connector hose assembly.

    GFD376808Courtesy of FORD MOTOR COMPANY
    • Remove and discard the cylinder head bolts.

    • Remove the cylinder head.

    GFD376811Courtesy of FORD MOTOR COMPANY
  93. Remove and discard the cylinder head gasket.
    GFD376812Courtesy of FORD MOTOR COMPANY
    • Clean and inspect the cylinder head-to-cylinder block mating surfaces of both the cylinder head and the cylinder block.

    GFD376813Courtesy of FORD MOTOR COMPANY
    1. Detach the wiring harness retainer from the stud bolt.
    2. Remove the stud bolt, the nuts and the coolant outlet connector pipe.
    GFD376983Courtesy of FORD MOTOR COMPANY
    1. Disconnect the ECT sensor electrical connector.
    2. Remove the bolts and the KS assembly.
    GFD376984Courtesy of FORD MOTOR COMPANY
  94. NOTE: Do not reuse the ECT sensor, install a new sensor.

    Remove and discard the ECT sensor.

    GFD376985Courtesy of FORD MOTOR COMPANY
  95. Remove the engine block skirt stiffener bolts.
    GFD376972Courtesy of FORD MOTOR COMPANY
  96. Using a suitable pry bar at the 4 pry pad locations, release the engine block skirt stiffener-to-engine block seal.
    GFD376973Courtesy of FORD MOTOR COMPANY
    • Remove the engine block skirt stiffener.

    • Remove and discard the oil seal.

    GFD376974Courtesy of FORD MOTOR COMPANY
  97. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper
    GFD376975Courtesy of FORD MOTOR COMPANY
    • Before removing the pistons, inspect the top of the cylinder bores.

    • If necessary, remove the ridge or carbon deposits from each cylinder using an abrasive pad.

    GFD376986Courtesy of FORD MOTOR COMPANY
  98. Remove the bolts and the connecting rod cap.
    GFD376987Courtesy of FORD MOTOR COMPANY
  99. NOTE: Position the cylinder bank for the piston serviced in a vertical position. Do not scratch the cylinder walls or crankshaft journals with the connecting rod or engine damage may occur.

    • Remove the piston through the top of the cylinder block

    • Repeat the steps for each of the remaining pistons.

    GFD376988Courtesy of FORD MOTOR COMPANY
    • Remove the connecting rod bearings.

    GFD376989Courtesy of FORD MOTOR COMPANY
  100. Remove and discard the main bearing cap bolts.
    GFD376990Courtesy of FORD MOTOR COMPANY
    1. Remove the main bearing caps.
    2. Remove the lower thrust washer.
    3. Remove the lower main bearings.
    GFD376991Courtesy of FORD MOTOR COMPANY
    1. Remove the crankshaft.
    2. Remove the lower main bearings.
    3. Remove the lower thrust bearing.
    GFD376992Courtesy of FORD MOTOR COMPANY
  101. Remove the bolts and the piston cooling jets from the cylinder block.
GFD376993Courtesy of FORD MOTOR COMPANY