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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 >> Installation Procedure >> Part 2

Part 2



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

Installation Procedure - Part 2




51. Connect the engine harness electrical connector (1) to the VSS.
52. Install the engine harness clips (2, 3) to the rear engine mount bracket and steering gear shield.




53. Connect the engine harness electrical connector (6) to the ECT sensor.
54. Install the engine harness ground (5) to the stud.
55. Install the engine harness ground nut (4).

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

56. Install the engine harness clip (2) to the steering gear shield.
57. Connect the engine harness electrical connector (3) to the power steering sensor.




58. Connect the engine harness electrical connector (1) to the engine valley jumper harness electrical connector.




59. Connect the following engine harness electrical connectors to the top of the engine:

* The starter inline (1)
* The AIR check valve (4)




60. Connect the following engine harness electrical connectors to the front of the engine:

* The fuel injectors (1)
* The ICM (3)
* The MAP sensor (4)
* the throttle actuator (5)

61. Install the engine harness clip (2) to the fuel rail stud.




62. Connect the following engine harness electrical connectors to the rear of the engine:

* The EVAP solenoid (1)
* The EGR valve (2)
* The fuel injectors (3)
* The ICM (4)




63. Position the ICM ground strap (2) to the cylinder head.
64. Install the ICM ground strap bolt (3) to the right cylinder head.

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




65. Install the AIR pipe over the studs.
66. Connect the AIR outlet pipe quick connect fitting to the check valve. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
67. Install the AIR pipe outlet pipe nut (2) to the check valve bracket stud.

Tighten the nut to 9 N.m (80 lb in).

68. Install the AIR pipe outlet pipe nut (3) to the transaxle stud.

Tighten the nut to 9 N.m (80 lb in).




69. Connect the AIR outlet hose to the AIR outlet pipe.
70. Position the AIR outlet hose clamp at the AIR outlet pipe.




71. Install the AIR inlet hose.
72. Connect the AIR inlet hose quick connect fitting to the AIR pump. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
73. Install the AIR inlet hose retainer to the transaxle stud.




74. Install the heater outlet pipe to the engine and stud.
75. Install the heater outlet pipe nut (2) to the transaxle stud.

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

76. Position the heater outlet pipe clamp (1) at the water pump housing.




77. Position the engine/transaxle assembly under the vehicle.

Important: Ensure clearance is maintained between the engine/transaxle assembly and the following:


* The A/C compressor components

* The brake pipes

* The heater hoses

* The radiator hoses

* The wheel speed sensor leads

* The wiring harnesses


78. Carefully lower the vehicle over the engine/transaxle assembly, aligning the struts to the strut towers.
79. Install the 6 bolts (1) attaching the frame to the body. (Left side shown, right side similar).

Tighten the bolts to 191 N.m (141 lb ft).

80. Install the front fascia. Refer to Front Bumper Fascia Replacement (Front Bumper Fascia Replacement).




81. Raise the vehicle off of the J 39580 or the jack stands.
82. Remove the J 39580 or jack stands from under the frame.




83. Align the flywheel with the marks made during the removal.
84. Install the flywheel to torque converter bolts. (Engine removed for clarity).

Tighten the bolts to 60 N.m (44 lb ft).




85. Position the torque converter cover.
86. Install the torque converter cover bolt.

Tighten the bolt to 12 N.m (106 lb in).




87. Install the transaxle brace.
88. Install the transaxle brace bolts.

Tighten the bolts to 47 N.m (35 lb ft).




89. Connect the engine harness electrical connector to the HO2S.
90. Install the oxygen sensor wiring harness heat shield. Refer to Oxygen Sensor Wiring Harness Heat Shield Replacement (Service and Repair).





Caution: When installing the intermediate shaft make sure that the shaft is seated prior to pinch bolt installation. If the pinch bolt is inserted into the coupling before shaft installation, the two mating shafts may disengage. Disengagement of the two mating shafts will cause loss of steering control which could result in personal injury.

91. Install the intermediate shaft to the steering gear.
92. Install the intermediate shaft pinch bolt.

Tighten the bolt to 45 N.m (33 lb ft).

93. Install the intermediate steering shaft cover.




94. Remove the plug from the A/C condenser suction port.
95. Unsecure the A/C compressor suction hose from the engine.
96. Remove and discard the old sealing washer from the condenser end of the suction hose.
97. Install a NEW sealing washer to the condenser end of the suction hose.
98. Install the A/C compressor suction hose to the condenser.
99. Install the A/C compressor suction hose nut.

Tighten the nut to 16 N.m (12 lb ft).




100. Remove the plug from the A/C condenser discharge port.
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