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)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)Engine Flywheel
(17)Flywheel Bolt
(18)Side Main Bearing Bolt
(19)Crankshaft Main Bearing Cap Bolt
(20)Crankshaft Lower Bearing
(21)Crankshaft Main Bearing Cap
(22)Oil Pan Drain Plug Gasket
(23)Oil Pan Drain Plug
(24)Engine Oil Pan
(25)Engine Oil Level Sensor
(26)Oil Pan Bolt
(27)Oil Pan Gasket
(28)Crankshaft Position Sensor Shield
(29)Crankshaft Balancer
(30)Crankshaft Balancer Washer
(31)Crankshaft Balancer Bolt
(32)Crankshaft Positions Sensor
(33)Camshaft Position Sensor
(34)Camshaft Position Sensor Bolt
Figure 3:

Intake Manifolds and Components


Object Number: 42450  Size: LF
(1)Fuel Injector Rail Nuts
(2)Fuel Injector Rail
(3)Water Outlet Bolts
(4)Water Outlet
(5)Water 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)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)Timing Chain Dampner
(38)Crankshaft Sprocket
(39)Camshaft Sprocket Bolt
(40)Timing Chain
(41)Camshaft Position Sensor Magnet
(42)Camshaft Sprocket
(43)Balance Shaft Drive Gear
(44)Camshaft Thrust Plate Bolt
(45)Camshaft Thrust Plate
(46)Camshaft Key
(47)Camshaft
(48)Camshaft Bearings