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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 2011 (Engine Mechanical - 3.6L (3 Of 6)) >> Repair Instructions - On Vehicle (2 Of 2) >> Engine Replacement (LY7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine from the engine stand.
    2. Fig 1: View Of Transaxle & Bolts
    GM1371142Courtesy of GENERAL MOTORS CORP.
  2. Align the engine to the frame and automatic transaxle.
    3. CAUTION: Refer to Fastener Caution .
  3. Install the automatic transaxle bolts and tighten to 75 N.m (55 lb ft).
  4. Place a block of wood between the frame and the engine oil pan in order to support the engine on the frame once the engine hoist is removed.
  5. Remove the engine hoist and lift chain.
  6. Remove the engine support adapters from the engine. Refer to Engine Support Fixture .
    7. Fig 2: View Of Torque Converter Bolts
    GM1371143Courtesy of GENERAL MOTORS CORP.
  7. Install the torque converter bolts and tighten to 60 N.m (44 lb ft).
  8. Install the starter motor. Refer to Starter Replacement (LY7) .
    9. Fig 3: View Of Engine-To-Transaxle Brace & Bolts
    GM1371144Courtesy of GENERAL MOTORS CORP.
  9. Install the engine to transaxle brace (3) and bolts (1, 2) and tighten the bolts to 50 N.m (37 lb ft).
  10. Install the throttle body assembly. Refer to Throttle Body Assembly Replacement .
    11. Fig 4: View Of Engine Coolant Heater
    GM1835015Courtesy of GENERAL MOTORS CORP.
  11. If equipped with an engine coolant heater, connect the coolant heater cord.
    12. Fig 5: Locating Battery Cable, Transmission Module & Retainer Clips
    GM1835311Courtesy of GENERAL MOTORS CORP.
  12. Connect the engine electrical wiring harness to the following components:
    • Transmission module (4)
    • Retainer clips (3, 2)
    • Battery cable (1)

      Tighten the bolt to 25 N.m (18 lb ft).

    13. Fig 6: Identifying Generator, A/C Compressor, Oil Pressure Switch & Retainer Clips
    GM1834981Courtesy of GENERAL MOTORS CORP.
  13. Connect the engine electrical wiring harness to the following components:
    • A/C compressor (8)
    • Oil pressure switch (10)
    • A/C compressor hose (8)
    • Retainer clips (2, 3, 4, 5, 6, 7, 9)
    • Generator (1)

      Tighten the nut to 13 N.m (115 lb in).

    14. Fig 7: View Of Camshaft Position Sensors & Actuators
    GM1835560Courtesy of GENERAL MOTORS CORP.
  14. Connect the left and right cylinder head engine electrical wiring harness to the following components:
    • Camshaft position actuators (2)
    • Camshaft position sensors (1)
    15. Fig 8: Identifying Oxygen Sensor, EVAP Purge Solenoid, Ignition Coils & Retainers
    GM1834939Courtesy of GENERAL MOTORS CORP.
  15. Connect the engine electrical wiring harness to the following components:
    • Install wire harness to retainers (5, 6, 8, 9)
    • Ground leads (7, 11)
    • Ignition coils (3, 4, 10)
    • EVAP purge solenoid (2)
    • Oxygen sensor (1)
  16. Connect the wiring harness retaining clips near the right and left shock towers.
    17. Fig 9: Frame To Body Bolts
    GM933087Courtesy of GENERAL MOTORS CORP.
  17. Install NEW frame-to-body bolts and tighten to 155 N.m (114 lb ft).
  18. Install the drivetrain and front suspension frame reinforcement. Refer to Drivetrain and Front Suspension Frame Reinforcement Replacement (3.5L LZ4, 3.6L LY7 and 3.6L LSC) .
  19. Raise the vehicle up away from the frame support fixture or jackstands and remove the support fixture or jackstands from under the vehicle.
  20. Lower the vehicle.
    21. Fig 10: View Of Right Engine Mount & Bolts
    GM1370510Courtesy of GENERAL MOTORS CORP.
  21. Install the bolts (2) that secure the right engine mount (1) to the engine (3). Tighten the bolts to 50 N.m (37 lb ft).
  22. Raise the vehicle.
    23. Fig 11: Removing/Installing Block Of Wood Between Frame & Engine Oil Pan
    GM1403676Courtesy of GENERAL MOTORS CORP.
  23. Remove the block of wood (1) between the frame and the engine oil pan used to support the engine while the bolts were removed from the right engine mount.
  24. On AWD models, install the rear wheel driveshaft. Refer to Rear Wheel Drive Shaft Replacement .
  25. On FWD models, install the right and left front wheel drive shafts into the transaxle. Refer to Front Wheel Drive Shaft Replacement .
    26. Fig 12: View Of Lower Ball Joint At Steering Knuckle
    GM1418666Courtesy of GENERAL MOTORS CORP.
  26. On all models, install the right and left lower ball joints to the steering knuckles. Refer to Lower Control Arm Replacement .
    27. Fig 13: View Of Stabilizer Shaft & Link
    GM927949Courtesy of GENERAL MOTORS CORP.
  27. Install the right and left stabilizer shaft links to the stabilizer shaft. Refer to Stabilizer Shaft Link Replacement .
    28. Fig 14: View Of Tie Rod End To Steering Knuckle
    GM854972Courtesy of GENERAL MOTORS CORP.
  28. Install the right and left tie rod ends to the steering knuckles. Refer to Steering Linkage Outer Tie Rod Replacement .
    29. Fig 15: Removing/Installing Steering Shaft To Intermediate Shaft
    GM927947Courtesy of GENERAL MOTORS CORP.
  29. Connect the steering intermediate shaft to the steering gear.
  30. Install a NEW pinch bolt to the steering intermediate shaft and tighten to 34 N.m (25 lb ft).
  31. Install the right and left engine splash shields. Refer to Engine Splash Shield Replacement .
  32. Install the front tires. Refer to Tire and Wheel Removal and Installation .
  33. Install the catalytic converters. Refer to Exhaust Manifold Replacement - Left Side (LY7 or LCS) and Exhaust Manifold Replacement - Right Side (LY7 or LCS) .
    34. Fig 16: View Of Transaxle Oil Cooler Line Assembly
    GM945444Courtesy of GENERAL MOTORS CORP.
  34. Install new seals and connect the transaxle oil cooler lines to the transaxle. Refer to Fluid Cooler Inlet Hose Replacement and Fluid Cooler Outlet Hose Replacement .
  35. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LY7) .
  36. Lower the vehicle.
  37. Install the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (LY7) .
  38. Connect the heater hoses to the engine. Refer to Heater Inlet Hose Replacement (LY7) .
  39. Untie the radiator, AC condenser, and fan module assembly from the upper radiator support.
  40. Connect the transaxle shift control cable to the transaxle. Refer to Range Selector Lever Cable Replacement .
  41. Install the AC compressor hose assembly to the compressor. Refer to Air Conditioning Compressor Hose Replacement (LY7) .
    42. Fig 17: Disconnecting/Connecting Engine Fuel Hose/Pipe At Chassis Fuel Hose/Pipe
    GM1371132Courtesy of GENERAL MOTORS CORP.
  42. Connect the engine fuel hose/pipe (3) to the chassis fuel hose/pipe (2). Refer to Metal Collar Quick Connect Fitting Service .
  43. Connect the EVAP hose/pipe to the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  44. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
    45. Fig 18: View Of Brake Booster Vacuum Hose
    GM1370533Courtesy of GENERAL MOTORS CORP.
  45. Connect the brake booster vacuum hose (2) to the intake manifold.
  46. Position the clamp (1) on the brake booster vacuum hose connection.
  47. Connect ground wire from frame, near battery box.
  48. Connect the ECM connector to the under-hood fuse block.
  49. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (LY7) .
  50. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  51. Fill the engine with engine oil. Refer to Approximate Fluid Capacities (Except Hybrid) and Maintenance Schedule (North American Emissions) .
  52. Fill the engine with coolant. Refer to Cooling System Draining and Filling (Static Fill Without HP5) or Cooling System Draining and Filling (GE 47716 Fill Without HP5) .
  53. Check the transaxle fluid level. Refer to Transmission Fluid Replacement .
  54. Charge the AC system. Refer to Refrigerant Recovery and Recharging (Without HP5) .
  55. Prime the fuel system.
    1. Cycle the ignition ON for 5 seconds then OFF for 10 seconds. Repeat cycling twice.
    2. Crank the engine until it starts. The maximum starter motor cranking time is 20 seconds.
    3. If the engine does not start, repeat the steps.
  56. Perform the Crankshaft Position System Variation Learn procedure. Refer to Crankshaft Position System Variation Learn .
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