GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Engine Block and Components


Object Number: 107864  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


Object Number: 395576  Size: LF
(1)EGR Valve Outlet Pipe Bolt
(2)EGR Valve Outlet Pipe Nut
(3)EGR Valve
(4)EGR Valve Nut
(5)EGR Valve Gasket
(6)EGR Valve Adapter
(7)Engine Lift Front Bracket
(8)ICM
(9)Fuel Injector Rail
(10)Fuel Injector Rail Nut
(11)Fuel Injector Sight Shield Bracket
(12)Fuel Injector Sight Shield Bracket Bolt
(13)Vacuum Source Manifold
(14)Accelerator Cable Control Bracket
(15)Throttle Body Support Bolt
(16)Throttle Body
(17)Upper Intake Manifold Bolt
(18)Upper Intake Manifold
(19)Water Outlet Bolt/Stud
(20)Water Outlet
(21)Engine Lift Rear Bracket
(22)Thermostat
(23)Engine Coolant Manifold Bolt
(24)Engine Coolant Manifold
(25)Engine Coolant Manifold Gasket
(26)Coolant Temperature Sensor
(27)Lower Intake Manifold Gasket
(28)Intake Manifold Seal
(29)Lower Intake Manifold
(30)Lower Intake Manifold Bolt
(31)Heater Water Inlet Pipe
(32)Exhaust Manifold Gasket
(33)Exhaust Manifold
(34)Exhaust Manifold Bolt
(35)Heated Oxygen Sensor
(36)EGR Valve Adapter Bolt
(37)EGR Valve Outlet Pipe
Figure 4:

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