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Home >> Buick >> 2008 >> Lucerne V8-4.6L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Service and Repair >> Removal and Replacement >> Engine Replacement >> Removal Procedure >> Part 1

Part 1



Engine Replacement

Tools Required
* J 37097-A Hose Clamp Remover/Installer
* J 38185 Hose Clamp Pliers
* J 39580 Universal Engine Support Table
* J 41623-B Cooler Quick Connect Tool
* J 42640 Steering Column Lock Pin

Removal Procedure - Part 1




1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).
3. Recover the air conditioning (A/C) refrigerant system. Refer to Refrigerant Recovery and Recharging (Non HP2) (Refrigerant Recovery and Recharging (Non HP2)).
4. Reposition the brake booster vacuum hose clamp at the engine port.
5. Disconnect the brake booster vacuum hose from the vacuum connection and position aside.




6. Disconnect the fuel feed and evaporative emission (EVAP) line quick-connect fittings (1, 2). Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service) andPlastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
7. Remove the front compartment sight shield. Refer to Front Compartment Sight Shields Replacement (Front Compartment Sight Shields Replacement).
8. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement (Service and Repair).




9. Disengage the junction block cover lock tabs.
10. Remove the junction block cover.




11. Remove the nut (1) securing the starter cable to the bussed electrical center (BEC).
12. Remove the starter cable clip (4) from the BEC.
13. Remove the starter cable from the BEC terminal and secure to the top of the engine.




14. Disengage the lever lock.
15. Disconnect the engine harness electrical connector from the transaxle control module (TCM).




16. Disengage the lever lock.
17. Disconnect the engine harness electrical connector from the body harness electrical connector.
18. Secure the TCM and engine harness wiring branches to the engine.




19. Disengage the lever locks.
20. Disconnect the engine harness electrical connectors from the engine control module (ECM).




21. Remove the junction block bolts.
22. Remove the junction block.




23. Remove the engine harness (1) from the BEC.




24. Remove the engine ground strap bolt (1) from the right side frame rail.
25. Secure the ground strap to the engine.




26. Remove the transaxle shift cable clip from the shift cable bracket.




27. Remove the transaxle shift cable retainer (1).




28. Disconnect the transaxle shift cable end (2) from the range selector lever (1).
29. Remove the transaxle shift cable from the bracket and position the cable aside.
30. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (Service and Repair)Cooling System Draining and Filling (Vac-N-Fill) (Service and Repair).




31. Using the J 37097-A reposition the radiator inlet hose clamp (1).
32. Remove the radiator inlet hose (2) from the water pump housing and position aside.




33. Using the J 38185 reposition the radiator outlet hose clamp (1).
34. Remove the radiator outlet hose (2) from the thermostat housing and position aside.




35. Reposition the radiator surge tank inlet hose clamp at the surge tank.
36. Remove the surge tank inlet hose from the surge tank.




37. Reposition the heater inlet (1) and outlet (2) hose clamps at the heater pipes.
38. Remove the heater inlet (2) and outlet (3) hoses from the heater pipes.




39. Remove the master cylinder nuts and master cylinder from the brake booster.
40. Reposition the master cylinder and secure the master cylinder to the engine.




41. Loosen the upper transaxle oil cooler pipe bolt (1) from the fan shroud.
42. Slide the plastic caps off the transaxle oil cooler pipe quick connect fittings.
43. Remove the right front engine mount strut bolt.
44. Disconnect the transaxle oil cooler pipes from the radiator using the J 41623-B.





Notice: The wheels of the vehicle must be straight ahead and the steering column in the LOCK position before disconnecting the steering column or intermediate shaft from the steering gear. Failure to do so will cause the SIR coil assembly to become uncentered, which may cause damage to the coil assembly.

45. Lock the steering column by installing the J 42640 into the underside of the steering column.




46. Remove the left and right side strut tower bolts (1). (Left side shown, right side similar.)
47. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
48. Remove the rear exhaust manifold pipe. Refer to Exhaust Manifold Rear Pipe Replacement (RPO LD8) (Exhaust Manifold Rear Pipe Replacement (RPO LD8)).
49. Remove the front wheels. Refer to Tire and Wheel Removal and Installation (Service and Repair).




50. Remove the engine harness grommet (2) from the frame rail bracket.
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