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

Engine Block and Components


Object Number: 499823  Size: LF
(1)Piston Pin Retainer Clip
(2)Piston Pin
(3)Piston Rings
(4)Piston
(5)Connecting Rod
(6)Connecting Rod Cap Bearings
(7)Connecting Rod Cap
(8)Connecting Rod Cap Bolt
(9)Crankshaft Rear Oil Seal Housing Bolt
(10)Crankshaft Rear Oil Seal Housing
(11)Crankshaft Rear Oil Seal Housing Gasket
(12)Cylinder Head Location Hole Pin
(13)Engine Block
(14)ESC Knock Sensor
(15)Oil Level Indicator
(16)Oil Level Indicator Tube Bracket
(17)Oil Level Indicator Tube
(18)Oil Pump Screen
(19)Oil Pump Screen Bolt
(20)Oil Pump Screen Gasket
(21)Engine Block Core Hole Plug
(22)Engine Front Cover Pin
(23)Engine Block Oil Gallery Plug
(24)Engine Front Cover Pin
(25)Timing Chain Dampener
(26)Crankshaft Sprocket
(27)Camshaft Sprocket Bolt
(28)Timing Chain
(29)Camshaft Position Sensor Magnet
(30)Camshaft Sprocket
(31)Balance Shaft Drive Gear
(32)Camshaft Thrust Plate Bolt
(33)Camshaft Thrust Plate
(34)Camshaft Bearings
(35)Camshaft
(36)Camshaft Key
(37)Balance Shaft Gear Bolt
(38)Balance Shaft Gear
(39)Balance Shaft Gear Pin
(40)Balance Shaft Retainer Bolt
(41)Balance Shaft Retainer
(42)Balance Shaft
(43)Balance Shaft Rear Bushing
Figure 2:

Crankshaft and Components


Object Number: 641044  Size: LF
(1)Oil Filter Adapter
(2)Oil Filter Adapter Gasket
(3)Oil Pressure Relief Valve
(4)Oil Pressure Relief Valve Spring
(5)Crankshaft
(6)Crankshaft Balancer Key
(7)Crankshaft Upper Bearing
(8)Crankshaft Rear Oil Seal
(9)Flywheel
(10)Flywheel Bolt
(11)Side Main Bolt
(12)Crankshaft Main Bearing Cap Bolt
(13)Crankshaft Lower Bearing
(14)Crankshaft Main Bearing Cap
(15)Oil Pump Cover Bolt
(16)Oil Pump Cover
(17)Oil Pump Gear Set
(18)Oil Pan Gasket - Includes Baffle
(19)Engine Oil Pan
(20)Oil Level Sensor
(21)Oil Pan Bolt
(22)Oil Pan Drain Plug
(23)Oil Drain Plug
(24)Crankshaft Position Sensor Shield
(25)Crankshaft Balancer
(26)Crankshaft Balancer Washer
(27)Crankshaft Balancer Bolt
(28)Camshaft Position Sensor Bolt
(29)Camshaft Position Sensor
(30)Crankshaft Position Sensor
(31)Crankshaft Front Oil Seal
(32)Water Pump Bolt
(33)Water Pump Pulley Bolt
(34)Water Pump Pulley
(35)Water Pump
(36)Water Pump Gasket
(37)Engine Front Cover
(38)Engine Front Cover Gasket
(39)Oil Filter
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 - L36


Object Number: 641045  Size: MF
(1)Valve Rocker Arm Cover
(2)Oil Fill Cap
(3)Valve Rocker Arm Cover Bolt
(4)Exhaust Crossover Pipe
(5)Exhaust Crossover Bolt
(6)Exhaust Manifold - Left
(7)Exhaust Manifold Pipe Stud
(8)Exhaust Manifold Bolt
(9)Exhaust Manifold Gasket
(10)Valve Stem Key
(11)Valve Stem Cap
(12)Valve Stem Spring
(13)Valve Seal
(14)Spark Plug
(15)Intake Valve
(16)Cylinder Head Gasket
(17)Cylinder Head
(18)Drive Belt Tensioner
(19)Generator Brace Bolt
(20)Generator Brace
(21)Valve Rocker Arm Retainer
(22)Valve Rocker Arm
(23)Valve Rocker Arm Bolt
(24)Valve Lifter - Roller
(25)Pushrod
(26)Valve Lifter Guide