Engine Removal Buick Riviera VII

IDENTIFICATION

GENERAL MOTORS PASSENGER CAR DESIGNATIONS

TROUBLE SHOOTING

Note. See TROUBLE SHOOTING - BASIC PROCEDURES article in GENERAL TROUBLE SHOOTING section.

3.8L VIN C

1. Remove negative battery cable. Remove airflow sensor wiring. Disconnect air intake duct. Drain cooling system. Disconnect upper engine strut. Raise and support vehicle.
2. Disconnect exhaust pipe. Disconnect engine mount bolts. Remove starter wiring and starter. Disconnect A/C compressor and set aside (if equipped).
3. Remove lower transaxle-to-engine bolts. One bolt is located between transaxle case and engine block and is installed in opposite direction. Remove drive plate cover. Match mark drive plate-to-torque converter relationship to assure proper reassembly. Remove drive plate-to-torque converter bolts.
4. Disconnect engine support bracket at transaxle. Lower vehicle. Remove radiator hoses. Disconnect heater hoses at engine. Remove alternator. Disconnect engine wiring harness. Remove remaining transaxle-to-engine bolts. Remove engine.

Installation

To install, reverse removal procedure.

4.5L VIN 5

1. Disconnect battery cables. Drain cooling system. Remove air cleaner. Mark hinges for reassembly reference and remove hood. Disconnect A/C hose strap from right strut tower. Disconnect A/C accumulator from bracket and move aside.
2. Disconnect canister hose and ground wire from A/C accumulator bracket. Disconnect A/C accumulator bracket from wheel housing. Remove cooling fan. Remove accessory drive belt and heater hose. Remove upper radiator hose.
3. Disconnect engine wiring. Disconnect cables at throttle lever. Disconnect cruise control diaphragm with bracket and set aside. Disconnect vacuum hoses. Disconnect exhaust crossover pipe.
4. Disconnect oil cooler lines from oil filter adapter. Disconnect oil cooler line bracket at transmission and move lines aside. Remove air cleaner bracket.
5. Disconnect fuel lines at throttle body. Disconnect fuel line bracket at transmission and move fuel lines aside. Remove AIR valve with bracket. Remove pulley idler.
6. Remove power steering hose strap from stud bolt. Remove stud bolt. Remove AIR pipe clip. Remove power steering pump and belt tensioner with bracket and move aside. Raise and support vehicle.
7. Remove drive plate covers. Disconnect starter wires and remove starter. Remove 3 drive plate-to-converter bolts. Remove A/C compressor lower dust shield. Remove right front tire and wheel assembly. Remove outer wheelhouse plastic shield.
8. Remove A/C compressor mounting bolts and lower compressor aside. Remove lower radiator hose. Remove driveline vibration damper with brackets from lower right front of engine and cradle. Pull alternator wire with plastic cover down, out of way. Remove 3 right front engine-to-transaxle bracket bolts.
9. Remove 2 exhaust pipe-to-manifold bolts and springs. Remove the AIR pipe-to-converter bracket from the exhaust manifold stud. Remove lower right transaxle-to-engine bolt. Lower vehicle and support engine.
10. Remove upper 5 transaxle-to-engine bolts. Remove 3 left front engine mount bracket-to-engine bolts. Remove engine.

To install, reverse removal procedure.

V6

TORQUE SPECIFICATIONS (V6)

V8

TORQUE SPECIFICATIONS (V8)