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Home >> Buick >> 1989 >> Electra Estate Wagon >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L "3800" V6 - VIN [C] >> Removal & Installation >> Engine

Removal & Installation: Engine

NOTE: For reassembly reference, label all electrical connectors, vacuum hoses and fuel lines before removal. Also place mating marks on engine hood and other major assemblies before removal.
CAUTION: Relieve fuel pressure. Install Fuel Pressure Gauge (J-34730-1) to fuel rail service valve. Place bleed hose into approved container and bleed fuel system.
  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. To install, reverse removal procedure.