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

Engine Flywheel


Object Number: 819566  Size: MF
(1)Flywheel - Automatic Transmission
(2)Flywheel Bolt
Figure 2:

Cylinder Head and Components


Object Number: 819570  Size: LF
(1)Cylinder Head
(2)Valve Rotator
(3)Valve Stem Oil Seal
(4)Valve Spring
(5)Valve Spring Cap
(6)Valve Keys
(7)Valve Rocker Arm Cover Bolt Gasket
(8)Valve Rocker Arm Cover Bolt
(9)Valve Rocker Arm Cover
(10)Valve Rocker Arm Cover Gasket
(11)Intake Valve Push Rod
(12)Exhaust Valve Push Rod
(13)Valve Rocker Arm Nut
(14)Valve Rocker Arm Ball
(15)Valve Rocker Arm
(16)Valve Rocker Arm Stud
(17)Push Rod Guide
(18)Cylinder Head Bolt
(19)Engine Coolant Temperature (ECT) Sensor-Right Cylinder Head
(20)Coolant Hole Plug-Left Cylinder Head
(21)Exhaust Manifold Stud
(22)Exhaust Manifold Gasket
(23)Exhaust Manifold
(24)Exhaust Manifold Bolt
(25)Heat Shield
(26)Heat Shield Bolts
(27)Heat Shield Nut
(28)Intake Valve
(29)Exhaust Valve Guide
(30)Exhaust Valve
(31)Exhaust Valve Seat
(32)Cylinder Head Gasket
Figure 3:

Intake Manifold and Components


Object Number: 864780  Size: LF
(1)Throttle Body Nuts
(2)Throttle Body
(3)Throttle Body Gasket
(4)Throttle Body Studs
(5)Intake Manifold Bolts
(6)Purge Solenoid
(7)Purge Solenoid Bolt
(8)Fuel Rail
(9)Fuel Rail Studs
(10)Fuel Rail Nuts
(11)Fuel Pressure Regulator Vacuum Hose
(12)Purge Solenoid Vacuum Hose
(13)MAP Sensor Retaining Bolt
(14)MAP Sensor
(15)EGR Valve Nuts
(16)EGR Valve
(17)EGR Valve Gasket
(18)EGR Adapter Nuts
(19)EGR Adapter
(20)EGR Adapter Gasket
(21)Splash Shield
(22)Intake Manifold End Gaskets
(23)Intake Manifold Side Gaskets
(24)Intake Manifold
(25)Oil Fill Tube
(26)Oil Fill Tube Bolt
Figure 4:

Engine Crankshaft and Components


Object Number: 638608  Size: LF
(1)Oil Pump Bolt
(2)Oil Pump Assembly
(3)Oil Pump Driveshaft Retainer
(4)Oil Pump Locating Pins
(5)Oil Pump Driveshaft
(6)Crankshaft Thrust Bearing Cap
(7)Lower Crankshaft Thrust Bearing
(8)Rear Crankshaft Seal
(9)Upper Crankshaft Thrust Bearing
(10)Connecting Rod Nut
(11)Connecting Rod Cap
(12)Connecting Rod Bearings
(13)Connecting Rod Bolt
(14)Connecting Rod
(15)Piston Rings
(16)Piston
(17)Engine Block
(18)Crankshaft Upper Bearings
(19)Crankshaft Pin
(20)Crankshaft Assembly with Reluctor Wheels
(21)Crankshaft Lower Bearings
(22)Crankshaft Bearing Caps
(23)Crankshaft Bearing Cap Outer Studs
(24)Crankshaft Bearing Cap Inner Bolts
(25)Crankshaft Oil Deflector
(26)Crankshaft Oil Deflector Nuts
Figure 5:

Lower Engine Block and Components


Object Number: 819572  Size: LF
(1)Top Oil Gallery Plug
(2)Valve Lifter Guide Retainer
(3)Valve Lifter Guide Retainer Bolt
(4)Oil Pump Drive Bolt
(5)Oil Pump Drive
(6)Valve Lifter Guide
(7)Valve Lifter
(8)Crankshaft Position Sensor Bolt
(9)Crankshaft Position Sensor
(10)Cylinder Head Locating Pin
(11)Engine Block
(12)Left Oil Gallery Plug
(13)Left Knock Sensor Shield
(14)Left Knock Sensor Shield Bolt
(15)Oil Filter Fitting
(16)Oil Filter
(17)Left Knock Sensor
(18)Coolant Drain Plug
(19)Coolant Hole Plug, Optional Block Heater
(20)Front Engine Cover Locating Pin
(21)Timing Chain and Sprockets
(22)Camshaft Sprocket Bolt
(23)Front Engine Cover
(24)Front Engine Cover Bolt
(25)Front Crankshaft Oil Seal
(26)Crankshaft Balancer
(27)Crankshaft Balancer Washer
(28)Crankshaft Balancer Bolt
(29)Camshaft Position Sensor Bolt
(30)Camshaft Position Sensor
(31)Camshaft Retainer Bolt
(32)Camshaft Retainer
(33)Camshaft
(34)Front Oil Gallery Plug