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Friday, October 14, 2011

Engine front cover removal for Ford 4.6L?


Engine Front Cover & Seal


REMOVAL & INSTALLATION



4.6L (VIN H) DOHC Engine


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Fig. These tools, or their equivalents, are necessary for timing chain and front cover replacement-4.6L DOHC engine


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Fig. These tools, or their equivalents, are necessary for timing chain and front cover replacement-4.6L DOHC engine
  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2. Disconnect the battery ground cable.
  3. Drain the engine oil.
  4. Remove the valve covers.
  5. If removing the timing chains, gears or other valve train components, remove the camshaft roller followers.
  6. Remove the cooling fan.

    Click image to see an enlarged view
    Fig. Accessory drive belt and related components-4.6L DOHC engine
  7. Remove the accessory drive belt.
  8. Remove the accessory drive belt tensioner.
  9. Remove the accessory drive belt idler pulleys.
  10. Remove the power steering reservoir bracket.

    Click image to see an enlarged view
    Fig. Power steering pump and related components-4.6L DOHC engine
  11. Remove the CMP sensor.
  12. Remove the oil filter.
  13. Remove the power steering hose bracket.
  14. Remove the power steering pump.

    Click image to see an enlarged view
    Fig. A/C and related components-4.6L DOHC engine
  15. Remove the A/C compressor electrical connector.
  16. Remove the battery wiring harness.
  17. Remove the A/C compressor.
  18. Remove the transmission tube clip.
  19. Remove the crankshaft position (CKP) sensor.

    Click image to see an enlarged view
    Fig. Front cover removal-4.6L DOHC engine
  20. Remove the water pump pulley.
  21. Remove the crankshaft pulley.
    NOTE
    To remove the crankshaft pulley bolt, remove the upper fan shroud and electric fan.
  22. Remove the crankshaft seal.
  23. Remove the engine front cover.
    NOTE
    Remove the four oil pan-to-engine front cover bolts.
  24. Remove the engine front cover gaskets.
To install:

NOTE
If the engine front cover is not secured within four minutes, the sealant must be removed and the sealing area cleaned with metal surface cleaner. Allow to dry until there is no sign of wetness, or four minutes, whichever is longer. Failure to follow these instructions can result in future oil leakage.

  1. Apply sealant in the locations shown.

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    Fig. Apply sealant in the locations shown-4.6L engine
  2. Install the engine front cover seals and the engine front cover, and tighten the fasteners in the sequence shown.

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    Fig. Front cover bolt torque sequence-4.6L engine


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    Fig. Oil pan bolt torque sequence-4.6L engine
  3. Tighten the oil pan bolts in the sequence shown in three stages:

    Stage 1: Tighten to 18 inch lbs. (2 Nm).
    Stage 2: Tighten to 15 ft. lbs. (20 Nm).
    Stage 3: Tighten an additional 60 degrees.
Crankshaft Seal Installation
  1. Lubricate the engine front cover and the crankshaft seal inner lip with clean engine oil.
  2. Using the special tools, install the crankshaft seal.
Crankshaft Pulley Bolt Installation

NOTE
The crankshaft pulley must be installed within four minutes after applying the sealant.

  1. Apply sealant to the Woodruff key slot on the crankshaft pulley.
  2. Using the special tool, install the crankshaft pulley.
  3. Install the bolt and the washer. Tighten the bolt in four stages:

    Stage 1: Tighten the bolt to 66 ft. lbs. (90 Nm).
    Stage 2: Loosen the bolt one full turn.
    Stage 3: Tighten the bolt to 37 ft. lbs. (50 Nm).
    Stage 4: Tighten the bolt an additional 90 degrees.
4.6L (VIN W) SOHC Engine
Front Cover
  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2. Drain the engine oil and coolant.
  3. Remove or disconnect the following:

    Battery ground cable
    Both valve covers
    Radiator and the transmission cooler
    Drive belt
    Water pump
    CMP sensor
    Upper radiator hose bracket
    EGR vacuum regulator solenoid
    Drive belt tensioner
    Idler pulleys
    Crankshaft pulley
    Coolant hose clamps
    CKP sensor
    Oil pan to front cover bolts
    Crankshaft front oil seal
    Timing cover bolts and studs
    Front cover from the cylinder block
To install:

NOTE
If the engine front cover is not secured within four minutes, the sealant must be removed and the sealing area cleaned with metal surface cleaner.

  1. Apply silicone gasket and sealant along the cylinder head to block surface and the oil pan to cylinder block surface.
  2. Install the engine front cover on the front cover to cylinder block dowel and loosely install the bolts.
  3. Tighten the front cover bolts and stud bolts in the sequence shown.

    Click image to see an enlarged view
    Fig. Front cover bolt torque sequence-4.6L SOHC Engine
  4. Install a new crankshaft front oil seal.

    Click image to see an enlarged view
    Fig. Pan to cover bolt torque sequence-4.6L SOHC engine
  5. Loosely install the pan-to-cover bolts, then, tighten the bolts in two stages, inner bolts first.

    Step 1: Tighten to 15 ft. lbs. (20 Nm)
    Step 2: Tighten an additional 90 degrees
  6. The remainder of installation is the reverse of removal.
Seal Only
  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2. Remove or disconnect the following:

    Crankshaft pulley
    Front oil seal with a puller
To install:
  1. Lubricate the front cover and the front oil seal inner lip with clean engine oil.
  2. Use a seal driver to install the front oil seal into the engine front cover.
  3. Install the crankshaft pulley.

    Click image to see an enlarged view
    Fig. Remove these parts for front cover removal-4.6L SOHC engine


    Click image to see an enlarged view
    Fig. Front cover removal-4.6L SOHC engine


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