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Home >> Land Rover >> 2007 >> LR3 (LA) V8-4.4L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Service and Repair >> Overhaul >> Diassembly

Diassembly


Engine

Special Tools




Timing Setting Tool
303-645




Camshaft Setting/Locking Tool
303-530




Adapter - Crankshaft Seal Installer
303-1100-01




Adapter
303-191-03




Holding Tool Crankshaft Pulley
303-893 (LRT-12-080)




Bolts and Spacers
303-191-04




Timing Chain Tensioning Tool
303-532

Dissembly
1. Remove the engine assembly
2. Secure the engine to the engine stand
^ Align the engine to the engine stand
^ Adjust the engine stand legs into position
^ Mount the engine an engine stand
^ Fully tighten the engine stand leg nuts
3. Release the camshaft position (CMP) sensor connector block from the intake manifold assembly




4. Remove the coolant manifold
^ Remove the 4 bolts
^ Disconnect the electrical connector




5. Position the wiring harness support bracket aside for access
^ Remove the 2 bolts




NOTE: RH illustration shown, LH is similar

6. Remove both the ignition coil-on-plug covers
^ Release from the 2 clips




NOTE: RH illustration shown, LH is similar

7. Disconnect the 8 ignition coil-on plug electrical connectors




8. Remove the 8 ignition coil-on-plugs
^ Remove the 8 bolts




9. Disconnect the valve cover breather hose
^ Disconnect the variable camshaft timing (VCT) oil control solenoid electrical connector
^ Repeat the operation for the other side




10. Disconnect the engine coolant temperature (ECT) sensor electrical connector




11. Disconnect the CMP sensor electrical connector
^ Repeat the above procedure for the RH side




12. Disconnect the cylinder head earth connector
^ Remove the bolt
^ Release the 3 clips




13. Disconnect the knock sensors (KS) electrical connector
14. Release the purge valve from the mounting bracket
^ Disconnect the quick release connector
^ Disconnect the electrical connector
^ Remove the bolt




15. Release the 5 air conditioning (A/C) harness retaining clips




16. Remove the crankshaft position sensor (CKP)
^ Disconnect the electrical connector
^ Remove the Torx screw





17. Remove the power steering pump mounting bracket
^ Remove the 3 bolts
^ Release the transmission cooler pipe clips





18. Remove the A/C compressor mounting bracket
^ Remove the 2 bolts





19. Disconnect the starter motor connector





20. Disconnect the oil temperature and oil pressure sensors





21. Disconnect the generator connector





22. Release the 4 clips securing the generator harness





23. Remove the 10 intake manifold bolts





CAUTION: Before disconnection or removal of any components, ensure the area around joint faces and connections are clean. Plug any open connections to prevent contamination

24. Remove the intake manifold
^ Disconnect the brake booster vacuum hose from intake manifold
^ Discard the gaskets
^ Disconnect the manifold absolute pressure (MAP) sensor electrical connector





25. Remove the accessory drive belt idler pulley
^ Remove the bolt





26. Remove the coolant pump pulley
^ Remove the 3 bolts





27. Remove the coolant pump





28. Remove the generator
^ Disconnect the electrical connector
^ Remove the 3 bolts





29. Remove the generator mounting bracket
^ Remove the 4 bolts





30. Remove the oil level indicator and tube
^ Remove the nut
^ Discard the O-ring seal





31. Remove the RH valve cover
^ Remove the 14 valve cover retaining bolts
^ Remove and discard the valve cover gasket
^ Remove and discard the valve cover plug aperature seals
^ Repeat the operation for the LH side





32. Remove the engine front cover
^ Release the engine wiring harness clips
^ Remove the 24 bolts
^ Remove and discard the gasket





33. Rotate the crankshaft until the flats on the camshafts are parallel with the cylinder head joint faces

NOTE: The engine is now in the SAFE position

34. Lock the crankshaft
^ Install the special tool
^ Install the screw





35. Remove the RH VCT control unit
^ Remove the 3 bolts
^ Remove and discard the O-ring seals





36. Install the special tool to the RH cylinder head
^ Install the 3 bolts





37. Remove the RH primary timing chain tensioner assembly
^ Remove the 3 bolts





38. Remove the RH primary timing chain tensioner guide
^ Remove the bolt





39. Remove the RH primary timing chain





40. Remove the LH VCT control unit
^ Remove the 2 bolts
^ Remove the nut
^ Remove and discard the O-ring seals





41. Install the special tool the LH cylinder head
^ Install the 3 bolts





42. Remove the LH primary timing chain tensioner
^ Remove the 2 bolts





43. Remove the LH upper and lower primary timing chain tensioner guides
^ Remove the stud
^ Remove the bolt





44. Remove the LH primary timing chain

CAUTION: Discard the bolts

45. Remove the camshaft sprockets
^ Remove the 2 bolts





46. Remove the secondary timing chain tensioner and the secondary timing chain
^ Remove the 2 bolts





47. Remove the special tool from the LH cylinder head
^ Remove the 3 bolts





CAUTION: Evenly and progressively, release the camshaft bearing caps

NOTE: Remove the camshaft bearing caps. Note their position, orientation and markings. Each is marked with its position (number) and an orientation (arrow)

48. Remove the camshaft bearing caps
^ Remove the 20 bolts





49. Remove the camshafts
50. Install the special tool to the RH cylinder head
^ Install the 3 bolts





CAUTION: Discard the bolts

NOTE: LH illustration shown, RH similar

51. Remove the camshaft sprockets
^ Remove the 2 bolts





NOTE: LH illustration shown, RH similar

52. Remove the secondary timing chain tensioner and the secondary timing chain
^ Remove the 2 bolts





CAUTION: Evenly and progressively, release the camshaft bearing caps

NOTE: Remove the camshaft bearing caps. Note their position, orientation and markings. Each is marked with its position (number) and an orientation (arrow)

NOTE: LH illustration shown, RH similar

53. Remove the camshaft bearing caps
^ Remove the 20 bolts





CAUTION: The bolts can only be used twice, mark the bolts with a center punch. If two punch marks are visible, discard the bolts

54. Remove the LH cylinder head assembly
^ Remove the 12 cylinder head bolts
^ With assistance remove the cylinder head
^ Remove and discard the cylinder head gasket
^ Clean the cylinder head locating dowels
^ Clean the component mating faces
^ Repeat the operation for the RH side





55. Remove 4 bolts securing the engine mount bracket to the cylinder block





CAUTION: Note the position of the bolt

56. Remove the starter motor
^ Remove the remaining starter motor bolt





57. Remove the KS (Knock Sensor)





58. Remove the flexplate
^ Remove and discard the 8 bolts





NOTE: Some variation in the illustrations may occur but, the essential information is always correct

59. Remove the oil pan
^ Remove the 18 bolts
^ Clean the mating faces and reusable parts thoroughly and check damage





60. Remove the oil strainer pick-up assembly
^ Remove the 2 bolts
^ Remove and discard the O-ring seal





61. Remove the baffle plate
^ Remove the 6 bolts





62. Remove the oil pump assembly
^ Remove the 4 bolts
^ Remove and discard the gasket
^ Clean the component mating faces





63. Remove the engine from the engine stand
^ With assistance, remove the engine block from stand

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