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

Cylinder Head and Components


Object Number: 42439  Size: LF
(1)Engine Lift Rear Bracket
(2)Generator Brace Bracket
(3)Generator Brace Bolt
(4)Valve Rocker Arm Bolts
(5)Valve Stem Keys
(6)Valve Stem Cap
(7)Valve Seal
(8)Valve Stem Spring
(9)Valve Rocker Arm Pivot Retainer
(10)Valve Rocker Arm
(11)Valve Lifter Guide
(12)Spark Plug
(13)Cylinder Head Gasket
(14)Intake Valve
(15)Engine Lift Front Bracket
(16)Exhaust Manifold Heat Shield Nut
(17)Exhaust Manifold Heat Shield
(18)Exhaust Manifold Heat Shield Nut
(19)Exhaust Manifold Heat Shield
(20)Exhaust Manifold Heat Shield Nut
(21)Exhaust Manifold (Left)
(22)Exhaust Manifold Stud
(23)Exhaust Manifold Gasket (Left)
(24)EGR Valve Adapter Bolt
(25)EGR Valve Adapter Nuts
(26)EGR Valve Adapter
(27)EGR Valve Outlet Pipe
(28)EGR Valve Outlet Pipe Bolt
(29)EGR Valve
(30)EGR Valve Gasket
(31)Drive Belt Tensioner
(32)Drive Belt Tensioner Bolt
(33)Heated Oxygen Sensors
(34)Exhaust Manifold Heat Shield
(35)Exhaust Manifold Heat Shield Nut
(36)Exhaust Manifold Stud
(37)Exhaust Manifold (Right)
(38)Exhaust Manifold Heat Shield Nut
(39)Exhaust Manifold Heat Shield
(40)Exhaust Manifold Heat Shield Nut
(41)Exhaust Manifold Gasket (Right)
(42)Intake Manifold Seal
(43)Valve Lifter
(44)Pushrod
(45)Lower Intake Manifold Gasket
(46)Cylinder Head Gasket
(47)Cylinder Head
(48)Valve Rocker Arm Cover Gasket
(49)Valve Rocker Arm Cover
(50)Oil Fill Tube Seal
(51)Oil Fill Cap
(52)Oil Fill Cap Seal
(53)Oil Fill Tube
Figure 2:

Crankshaft and Components


Object Number: 42447  Size: LF
(1)Crankshaft Balancer Key
(2)Crankshaft Upper Bearing
(3)Crankshaft Rear Oil Seal
(4)Engine Flywheel
(5)Flywheel Bolt
(6)Engine Crankshaft
(7)Crankshaft Main Bearing Cap
(8)Side Main Bearing Bolt
(9)Crankshaft Main Bearing Cap Bolt
(10)Crankshaft Lower Bearing
(11)Crankshaft Main Bearing Cap
(12)Oil Pan Drain Plug
(13)Oil Pan Drain Gasket
(14)Oil Pan Gasket
(15)Engine Oil Pan
(16)Oil Pan Bolt
(17)Oil Level Sensor
(18)Crankshaft Sensor Shield
(19)Crankshaft Balancer
(20)Crankshaft Balancer Washer
(21)Crankshaft Balancer Bolt
(22)Camshaft Position Sensor Bolt
(23)Camshaft Position Sensor
(24)Crankshaft Position Sensor
(25)Oil Pump Gear Set
(26)Oil Pump Cover
(27)Oil Pump Cover Bolt
(28)Engine Front Cover Oil Seal
(29)Coolant Pump Bolt
(30)Coolant Pump Pulley Bolt
(31)Coolant Pump Pulley
(32)Coolant Pump
(33)Coolant Pump Gasket
(34)Engine Front Cover
(35)Engine Front Cover Gasket
Figure 3:

Intake Manifolds and Components


Object Number: 42450  Size: LF
(1)Fuel Injector Rail Nuts
(2)Fuel Injector Rail
(3)Coolant Outlet Bolts
(4)Coolant Outlet
(5)Coolant Outlet Gasket
(6)Thermostat
(7)Thermostat Gasket
(8)ICM Bracket Bolt
(9)ICM Bracket
(10)Upper Intake Manifold Gasket
(11)Lower Intake Manifold
(12)Coolant Temperature Sensor
(13)Lower Intake Manifold Bolt
(14)Throttle Body
(15)Throttle Body Gasket
(16)Upper Intake Manifold
(17)Upper Intake Manifold Bolt
(18)Vacuum Source Manifold
Figure 4:

Piston and Components


Object Number: 42456  Size: LF
(1)Piston Pin Retainer Clip
(2)Piston Rings
(3)Piston
(4)Connecting Rod
(5)Connecting Rod Cap Bearings
(6)Connecting Rod Cap
(7)Connecting Rod Cap Bolt
(8)Crankshaft Rear Oil Seal Housing Bolt
(9)Crankshaft Rear Oil Seal Housing
(10)Crankshaft Rear Oil Seal Housing Gasket
(11)Oil Level Indicator
(12)Oil Level Indicator Tube
(13)Cylinder Head Location Hole Pin
(14)ESC Knock Sensor
(15)Engine Cylinder Block
(16)Oil Pump Screen Gasket
(17)Oil Pump Screen
(18)Oil Pump Screen Bolt
(19)Engine Block Core Hole Plug
(20)Engine Front Cover Pin
(21)Cylinder Block Oil Gallery Plug
(22)Oil Pressure Relief Valve Spring
(23)Oil Pressure Relief Valve
(24)Oil Filter Adapter Gasket
(25)Oil Filter Adapter
(26)Oil Filter Adapter Bolt
(27)Camshaft Thrust Plate
(28)Camshaft Thrust Plate Bolt
(29)Timing Chain Damper
(30)Crankshaft Sprocket
(31)Camshaft Sprocket Bolt
(32)Timing Chain
(33)Camshaft Position Sensor Magnet
(34)Balance Shaft Drive Gear
(35)Camshaft Key
(36)Camshaft
(37)Camshaft Bearings
(38)Balance Shaft Bushing
(39)Balance Shaft
(40)Balance Shaft Gear
(41)Balance Shaft Gear Bolt
(42)Balance Shaft Gear Pin
(43)Balance Shaft Retainer Bolt
(44)Balance Shaft Retainer