GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Park Avenue 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Disassembled Views
Figure 1:

Engine Block and Components
Object Number: 49121 Size: LF
(1)Balance Shaft Gear Bolt
(2)Balance Shaft Gear
(3)Balance Shaft Gear Pin
(4)Balance Shaft Retainer Bolt
(5)Balance Shaft Retainer
(6)Balance Shaft
(7)Balance Shaft Rear Bushing
(8)Piston Pin Retainer Clip
(9)Piston Pin
(10)Piston Rings
(11)Piston
(12)Connecting Rod
(13)Connecting Rod Cap Bearings
(14)Connecting Rod Cap
(15)Connecting Rod Cap Bolt
(16)Crankshaft Rear Oil Seal Housing Bolt
(17)Crankshaft Rear Oil Seal Housing
(18)Crankshaft Rear Oil Seal Housing Gasket
(19)Cylinder Head Location Hole Pin
(20)Engine Block
(21)ESC Knock Sensor
(22)Oil Level Indicator
(23)Oil Level Indicator Tube Bolt
(24)Oil Level Indicator Tube
(25)Oil Pump Screen
(26)Oil Pump Screen Bolt
(27)Oil Pump Screen Gasket
(28)Engine Block Core Hole Plug
(29)Engine Front Cover Pin
(30)Engine Block Oil Gallery Plug
(31)Engine Front Cover Pin
(32)Oil Pressure Relief Valve Spring
(33)Oil Pressure Relief Valve
(34)Oil Filter Adapter Gasket
(35)Oil Filter Adapter
(36)Oil Filter Adapter Bolt
(37)Oil Filter
(38)Timing Chain Dampner
(39)Crankshaft Sprocket
(40)Camshaft Sprocket Bolt
(41)Timing Chain
(42)Camshaft Position Sensor
(43)Camshaft Sprocket
(44)Balance Shaft Drive Gear
(45)Camshaft Thrust Plate Bolt
(46)Camshaft Thrust Plate
(47)Camshaft Key
(48)Camshaft
(49)Camshaft Bearings
Figure 2:

Crankshaft and Components
Object Number: 49124 Size: MF
(1)Water Pump Pulley Bolt
(2)Water Pump Pulley
(3)Water Pump Bolt
(4)Water Pump
(5)Crankshaft Front Oil Seal
(6)Water Pump Gasket
(7)Engine Front Cover
(8)Engine Front Cover Gasket
(9)Oil Pump Gear Set
(10)Oil Pump Cover
(11)Oil Pump Cover Bolt
(12)Crankshaft Balancer Key
(13)Crankshaft Upper Bearing
(14)Engine Crankshaft
(15)Crankshaft Rear Oil Seal
(16)Flywheel
(17)Flywheel Bolt
(18)Side Main Bolt
(19)Crankshaft Main Bearing Cap Bolt
(20)Crankshaft Lower Bearing
(21)Crankshaft Main Bearing Cap
(22)Oil Pan Gasket (Includes Baffle)
(23)Engine Oil Pan
(24)Oil Level Sensor
(25)Oil Pan Bolt
(26)Oil Pan Drain Plug Gasket
(27)Oil Pan Drain Plug
(28)Crankshaft Position Sensor Shield
(29)Crankshaft Balancer
(30)Crankshaft Balancer Washer
(31)Crankshaft Balancer Bolt
(32)Crankshaft Position Sensor
(33)Camshaft Position Sensor
(34)Camshaft Position Sensor Bolt
Figure 3:

Intake Manifold and Components VIN K
Object Number: 388904 Size: LF
(1)Fuel Injector Sight Shield Bracket
(2)Vacuum Source Manifold
(3)Accelerator Cable Control Bracket
(4)Throttle Body Support Bolt
(5)Throttle Body
(6)Upper Intake Manifold Bolt
(7)Upper Intake Manifold
(8)Water Outlet Bolt
(9)Water Outlet
(10)Thermostat
(11)Engine Coolant Manifold Bolt
(12)Engine Coolant Manifold
(13)Engine Coolant Manifold Gasket
(14)Coolant Temperature Sensor
(15)Lower Intake Manifold Gasket
(16)Intake Manifold Seal
(17)Lower Intake Manifold
(18)Lower Intake Manifold Bolt
(19)Heater Water Inlet Pipe
(20)Exhaust Manifold Gasket
(21)Exhaust Manifold (Right)
(22)Exhaust Manifold Bolt/Stud
(23)Exhaust Oxygen Sensor
(24)EGR Valve Adapter Bolt
(25)EGR Valve Outlet Pipe
(26)EGR Valve Outlet Pipe Bolt
(27)EGR Valve Outlet Pipe Nut
(28)EGR Valve
(29)EGR Valve Nut
(30)EGR Valve Gasket
(31)EGR Valve Adapter
(32)ICM
(33)Fuel Injection Rail
(34)Fuel Injector Rail Nut
Figure 4:

Supercharger and Components VIN 1
Object Number: 394200 Size: LF
(1)EGR Valve Adapter Bolt
(2)EGR Valve Outlet Pipe
(3)EGR Valve Outlet Pipe Bolt
(4)EGR Valve Outlet Pipe Nut
(5)EGR Valve Nut
(6)EGR Valve
(7)EGR Valve Gasket
(8)EGR Valve Adapter
(9)Fuel Injection Rail Nut
(10)Fuel Injection Rail Bolt/Stud
(11)Fuel Injection Rail
(12)Fuel Injector Sight Shield Bracket
(13)MAP Sensor Bracket Bolt
(14)MAP Sensor Bolt
(15)MAP Sensor
(16)MAP Sensor Bracket
(17)Bypass Valve
(18)Bypass Valve Nut
(19)Throttle Body
(20)Accelerator Cable Control Bracket
(21)Accelerator Cable Control Bracket Bolt
(22)Water Outlet Bolt
(23)Water Outlet Bolt
(24)Water Outlet
(25)Thermostat
(26)Supercharger Gasket
(27)Engine Coolant Manifold Gasket
(28)Engine Coolant Manifold
(29)Engine Coolant Manifold Bolt
(30)Coolant Temperature Sensor
(31)Lower Intake Manifold Gasket
(32)Lower Intake Manifold Seal
(33)Heater Inlet Pipe With Seal
(34)Lower Intake Manifold
(35)Lower Intake Manifold Bolt
(36)Exhaust Manifold Gasket
(37)Exhaust Manifold (Right)
(38)Exhaust Manifold Bolt/Stud
(39)Heated Oxygen Sensor
(40)Supercharger Bolt
(41)Supercharger
Figure 5:

Cylinder Head and Components
Object Number: 49129 Size: MF
(1)Valve Lifter Guide
(2)Valve Rocker Arm Cover
(3)Oil Fill Tube
(4)Oil Fill Cap
(5)Valve Rocker Arm Cover Bolt
(6)Exhaust Crossover Pipe Bolt/Stud
(7)Exhaust Crossover Pipe
(8)Exhaust Crossover Pipe Bolt
(9)Exhaust Crossover Pipe Gasket
(10)Exhaust Manifold (Left)
(11)Exhaust Manifold Bolt
(12)Exhaust Manifodl Bolt
(13)Exhaust Manifold Gasket
(14)Valve Stem Key
(15)Valve Stem Cap
(16)Valve Rocker Arm
(17)Valve Stem Spring
(18)Valve Seal
(19)Spark Plug
(20)Intake Valve
(21)Cylinder Head Gasket
(22)Cylinder Head
(23)Drive Belt Tensioner Bolt
(24)Drive Belt Tensioner
(25)Generator Brace Bolt
(26)Generator Brace
(27)Valve Rocker Arm Retainer
(28)Valve Rocker Arm Bolt
(29)Valve Lifter (Roller)
(30)Pushrod
Figure 6:

Cylinder Head and Components VIN 1
Object Number: 204931 Size: LF
(1)Valve Lifter Guide
(2)Valve Rocker Arm Cover
(3)Oil Fill Tube
(4)Oil Fill Cap
(5)Valve Rocker Arm Cover Bolt
(6)ICM Bracket Nut
(7)ICM
(8)ICM Bracket Bolt
(9)Exhaust Crossover Pipe Bolt/Stud
(10)Exhaust Crossover Pipe
(11)Exhaust Crossover Pipe Bolt
(12)Exhaust Crossover Pipe Gasket
(13)Exhaust Manifold
(14)Exhaust Manifold Stud
(15)Exhaust Manifold Bolt
(16)Exhaust Manifold Gaskets
(17)Valve Stem Key
(18)Valve Stem Cap
(19)Valve Spring
(20)Valve Seal
(21)Spark Plug
(22)Intake Valve
(23)Cylinder Head Gasket
(24)Idler Pulley Bracket Bolt
(25)Idler Pulley
(26)Cylinder Head
(27)Generator Brace
(28)Generator Brace Bolt
(29)Valve Rocker Arm Retainer
(30)Valve Rocker Arm
(31)Valve Rocker Arm Bolt
(32)Drive Belt Tensioner
(33)Drive Belt Tensioner Bracket Bolt
(34)Drive Belt Tensioner Bracket Stud
(35)Drive Belt Tensioner Bracket Bolt
(36)Drive Belt Tensioner Bracket
(37)Valve Lifter
(38)Pushrod
Figure 7:

Supercharger and Components VIN 1
Object Number: 394200 Size: LF
(1)EGR Valve Adapter Bolt
(2)EGR Valve Outlet Pipe
(3)EGR Valve Outlet Pipe Bolt
(4)EGR Valve Outlet Pipe Nut
(5)EGR Valve Nut
(6)EGR Valve
(7)EGR Valve Gasket
(8)EGR Valve Adapter
(9)Fuel Injection Rail Nut
(10)Fuel Injection Rail Bolt/Stud
(11)Fuel Injection Rail
(12)Fuel Injector Sight Shield Bracket
(13)MAP Sensor Bracket Bolt
(14)MAP Sensor Bolt
(15)MAP Sensor
(16)MAP Sensor Bracket
(17)Bypass Valve
(18)Bypass Valve Nut
(19)Throttle Body
(20)Accelerator Cable Control Bracket
(21)Accelerator Cable Control Bracket Bolt
(22)Water Outlet Bolt
(23)Water Outlet Bolt
(24)Water Outlet
(25)Thermostat
(26)Supercharger Gasket
(27)Engine Coolant Manifold Gasket
(28)Engine Coolant Manifold
(29)Engine Coolant Manifold Bolt
(30)Coolant Temperature Sensor
(31)Lower Intake Manifold Gasket
(32)Lower Intake Manifold Seal
(33)Heater Inlet Pipe With Seal
(34)Lower Intake Manifold
(35)Lower Intake Manifold Bolt
(36)Exhaust Manifold Gasket
(37)Exhaust Manifold (Right)
(38)Exhaust Manifold Bolt/Stud
(39)Heated Oxygen Sensor
(40)Supercharger Bolt
(41)Supercharger