LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2014 >> Express 1500 LS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L (L20), 5.3L (LMF), Or 6.0L (L96 LC8) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Engine Replacement >> Installation Procedure

Installation Procedure

  1. Install the J 42451-1  Engine Support Adapter to the engine. Tighten the M10 engine lift bracket bolts to 50 N.m (37 lb ft).
  2. Install an engine hoist to the J 42451-1  Engine Support Adapter.
  3. Remove the engine from the engine stand.
  4. Install the engine to the vehicle.
  5. Align the engine and transmission.
    6. Fig 1: View Of Engine Mount-To-Engine Mount Bracket
    GM307275Courtesy of GENERAL MOTORS COMPANY
  6. Install the left and right engine mount-to-engine mount bracket bolts and tighten to 60 N.m (44 lb ft).
  7. Install the upper transmission bolts until snug.
  8. Remove the floor jack from under the transmission.
  9. Remove the engine hoist.
  10. Remove the J 42451-1  Engine Support Adapter from the engine.
  11. Install the left and right exhaust manifolds. Refer to Exhaust Manifold Installation - Left Side and to Exhaust Manifold Installation - Right Side .
  12. Install the intake manifold. Refer to Intake Manifold Installation .
  13. Install the ignition coil(s) and the spark plug wire(s). Refer to Ignition Coil Replacement .
  14. Raise the vehicle.
    15. Fig 2: Identifying Six Studs & One Bolt Securing Transmission To Engine
    GM394446Courtesy of GENERAL MOTORS COMPANY
  15. Remove the J 21366  Converter Holding Strap from the transmission.
  16. Install the automatic transmission bolt/studs, if equipped.
    17. Fig 3: Flywheel-To-Torque Converter Bolts
    GM9096Courtesy of GENERAL MOTORS COMPANY
  17. Install the torque converter bolts, if equipped.
    • If equipped with the 4L60-E, tighten the torque converter bolts to 63 N.m (46 lb ft).
    • If equipped with the 4L80-E, tighten the torque converter bolts to 60 N.m (44 lb ft).
    18. Fig 4: View Of Transmission Converter Cover Bolt (4L80-E)
    GM396795Courtesy of GENERAL MOTORS COMPANY
  18. If equipped with the 4L80-E automatic transmission, install the transmission converter cover bolts and tighten to 33 N.m (24 lb ft).
    19. Fig 5: Identifying Stud & Bolt Securing Transmission To Engine (Right Side)
    GM394448Courtesy of GENERAL MOTORS COMPANY
  19. If equipped with the 4L60-E automatic transmission, install the transmission bolt and stud on the right side and tighten to 50 N.m (37 lb ft).
    20. Fig 6: View Of Oil Level Indicator Tube & Seal
    GM396798Courtesy of GENERAL MOTORS COMPANY
  20. Install the automatic transmission oil level indicator tube, if equipped.
    21. Fig 7: View Of Oil Level Indicator Tube Nut
    GM396797Courtesy of GENERAL MOTORS COMPANY
  21. Install the automatic transmission oil level indicator tube nut and tighten to 18 N.m (13 lb ft), if equipped.
    22. Fig 8: View Of battery positive cable
    GM1817770Courtesy of GENERAL MOTORS COMPANY
  22. Install the positive battery cable clip (1).
  23. Install the catalytic converter. Refer to Catalytic Converter Replacement (L20, LMF) , Catalytic Converter Replacement (LC8, L96) .
  24. Connect the following electrical connectors:
    • Crankshaft position sensor
    • Engine oil level sensor
    • Coolant heater, if equipped
  25. Install the starter motor. Refer to Starter Replacement (V8) .
  26. Lower the vehicle.
  27. Position the generator bracket assembly to the front of the engine.
  28. Install the generator bracket assembly. Refer to Generator Bracket Replacement (V8) .
  29. Install the heater hoses to the water pump.
    30. Fig 9: View of A/C Compressor & Bolts
    GM648141Courtesy of GENERAL MOTORS COMPANY
  30. Install the air conditioning compressor (2) to the engine. Tighten the compressor mounting bolts to 68 N.m (50 lb ft).
  31. Install the air conditioning discharge hose to the compressor. Tighten the bolt to 35 N.m (26 lb ft).
  32. Install the engine ground strap to the frame. Tighten the bolt to 25 N.m (18 lb ft).
  33. Install the ground strap and negative battery cable to the engine. Tighten the nut to 25 N.m (18 lb ft).
  34. Install the clutch fan. Refer to Fan Clutch Replacement .
    35. Fig 10: Installing Fender To Radiator Support Bolts
    GM277531Courtesy of GENERAL MOTORS COMPANY
  35. With the aid of an assistant, position the core support assembly to the vehicle.
  36. Install the core support bolts.
    • Tighten the core support bolts to 25 N.m (18 lb ft).
    • Tighten the core support nuts to 57 N.m (42 lb ft).
  37. Install the positive battery cable to the underhood fuse panel. Tighten the bolt to 12 N.m (106 lb in).
  38. Install the G106 to the inner fender. Refer to Ground Distribution Schematics . Tighten the bolt to 10 N.m (89 lb in).
  39. Connect the C4 to the underhood fuse panel. Refer to Power Distribution Schematics .
    40. Fig 11: Condenser Air Conditioning Lines
    GM924812Courtesy of GENERAL MOTORS COMPANY
  40. Install the air conditioning lines (2) to the condenser. Tighten the remaining nuts to 16 N.m (12 lb ft).
    41. Fig 12: Cooler Line & Quick Connect Fitting
    GM104740Courtesy of GENERAL MOTORS COMPANY
  41. Install the transmission cooler lines to the radiator.
  42. Install the oil cooler lines to the radiator, if equipped.
  43. Install the radiator hoses to the thermostat housing and water pump.
    44. Fig 13: Headlamp Capsule
    GM325530Courtesy of GENERAL MOTORS COMPANY
  44. Install the headlamp capsules (4). Refer to Headlamp Capsule Replacement (Minus V22) .
    45. Fig 14: Removing Bolts Retaining Bumper To Frame
    GM776153Courtesy of GENERAL MOTORS COMPANY
  45. Install the front bumper. Refer to Front Bumper Replacement .
  46. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  47. Install the coolant reservoir. Refer to Coolant Recovery Reservoir Replacement .
  48. Install the sheet metal to the fender supports. Tighten the bolts to 25 N.m (18 lb ft).
  49. Fill the cooling system with coolant. Refer to Cooling System Draining and Filling (Static Fill) , Cooling System Draining and Filling (Vac N Fill) .
  50. Fill the crankcase with the proper quantity and grade of engine oil. Refer to Approximate Fluid Capacities or Fluid and Lubricant Recommendations .
  51. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn .
    NOTE:

    After an overhaul, the engine should be tested. Use the following procedure after the engine is installed in the vehicle.

    1. Disable the ignition system.
    2. Crank the engine several times. Listen for any unusual noises or evidence that parts are binding.
    3. Enable the ignition system.
    4. Start the engine and listen for unusual noises.
    5. Check the vehicle oil pressure gauge or light and confirm that the engine has acceptable oil pressure.
    6. Run the engine speed at about 1, 000 RPM until the engine has reached normal operating temperature.
    7. Listen for sticking lifter and other unusual noises.
    8. Inspect for fuel, oil and/or coolant leaks while the engine is running.
    9. Perform a final inspection for the proper engine oil and coolant levels.
  52. Close the hood.
scientia non olet · About LEMON Manuals