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

Intake Manifold/Upper Engine


Object Number: 639826  Size: LF
(1)Engine Beauty Cover - Right Side
(2)Engine Beauty Cover - Left Side
(3)Fuel Rail Bolt
(4)Fuel Rail, with Injectors
(5)Fuel Rail Stop Bracket
(6)Intake Manifold Gasket
(7)Intake Manifold
(8)Manifold Absolute Pressure (MAP) Sensor
(9)Intake Manifold Bolt
(10)Throttle Body Gasket
(11)Throttle Body Bolt
(12)Throttle Body
(13)Valley Cover Gasket
(14)Valley Cover - LS1 Shown
(15)Valley Cover Bolt
(16)Knock Sensor Oil Seal
(17)Knock Sensor
(18)Engine Coolant Air Bleed Hose
(19)Knock Sensor Wire Harness
(20)Engine Coolant Air Bleed Pipe Stud
(20)Engine Coolant Air Bleed Pipe Stud
(21)Engine Coolant Air Bleed Pipe
(22)Engine Coolant Air Bleed Pipe/Cover Gasket
(22)Engine Coolant Air Bleed Pipe/Cover Gasket
(23)Engine Coolant Air Bleed Pipe Hole Cover Bolt
(23)Engine Coolant Air Bleed Pipe Hole Cover Bolt
(24)Engine Coolant Air Bleed Pipe Hole Cover
(24)Engine Coolant Air Bleed Pipe Hole Cover
Figure 2:

Cylinder Head/Upper Engine


Object Number: 822535  Size: LF
(1)Oil Fill Tube
(2)Oil Fill Tube Cap
(3)Ignition Coil and Bracket Assembly Bolt
(4)Ignition Coil and Bracket Assembly
(5)Valve Rocker Arm Cover Bolt
(6)Valve Rocker Arm Cover Bolt Grommet
(7)Valve Rocker Arm Cover
(8)Cylinder Head Bolt - Short
(9)Cylinder Head
(10)Cylinder Head Bolt - Medium
(11)Cylinder Head Bolt - Long
(12)Valve Stem Keys
(13)Valve Spring Cap
(14)Valve Spring
(15)Valve Stem Oil Seal and Shim Assembly
(16)Valve
(17)Exhaust Manifold Gasket
(18)Exhaust Manifold - with Heat Shield
(19)Exhaust Manifold Bolts
(20)Pushrod
(21)Coolant Temperature Gage Sensor
(22)Valve Rocker Arm Bolt
(23)Valve Rocker Arm
(24)Valve Rocker Arm Pivot Support
(25)Cylinder Head Gasket
(26)Valve Rocker Arm Cover Gasket
Figure 3:

Lower Front Of Engine


Object Number: 639828  Size: LF
(1)Oil Level Indicator Tube Bolt
(2)Oil Level Indicator Tube
(3)Oil Lever Indicator Tube O-ring Seal
(4)Valve Lifter Guide Bolt
(5)Valve Lifter Guide
(6)Valve Lifters
(7)Engine Block
(8)Crankshaft Rear Oil Seal
(9)Engine Rear Cover Bolt
(10)Engine Rear Cover
(11)Engine Rear Cover Gasket
(12)Engine Block Rear Oil Gallery Plug
(13)Crankshaft Sprocket
(14)Camshaft Timing Chain
(15)Oil Pump Assembly
(16)Oil Pump Bolt
(17)Engine Front Cover Gasket
(18)Engine Front Cover
(19)Crankshaft Front Oil Seal
(20)Crankshaft Balancer
(21)Crankshaft Balancer Bolt
(22)Balance Weight - Manual Transmission
(23)Engine Front Cover Bolt
(24)Camshaft
(25)Camshaft Retainer
(26)Camshaft Retainer Bolt
(27)Camshaft Sprocket
(28)Camshaft Sprocket Locating Pin
(29)Camshaft Sprocket Bolt
(30)Camshaft Bearing
(31)Water Pump
(32)Water Pump Bolt
(33)Water Pump Gasket
(34)Oil Level Indicator
Figure 4:

Lower Engine Assembly


Object Number: 414777  Size: LF
(1)Engine Flywheel - Manual Transmission
(2)Engine Flywheel - Automatic Transmission
(3)Engine Flywheel Bolt
(4)Oil Pan Gasket
(5)Oil Pan - Upper
(6)Oil Pan Cover Gasket
(7)Oil Temperature Sensor
(8)Oil Pan Cover
(9)Oil Pan Cover Bolt
(10)Oil Pan Closeout Cover Bolt
(11)Oil Pan Closeout Cover
(12)Oil Filter Adapter
(13)Oil Filter
(14)Oil Pan - Lower - Gasket
(15)Oil Pan - Lower
(16)Oil Pan - Lower - Bolt
(17)Oil Pan Closeout Cover - Left Side
(18)Oil Level Sensor
(19)Oil Pan Closeout Cover Bolt - Right Side
(20)Crankshaft Bearing Cap Side Bolt
(21)Crankshaft Bearing Caps
(22)Crankshaft Bearing Cap Stud
(23)Crankshaft Bearing Cap Bolts
(24)Crankshaft Bearing
(25)Crankshaft Bearing - Thrust
(26)Crankshaft
(27)Crankshaft Sprocket Key
(28)Engine Block Front Oil Gallery Plug
(29)Clutch Pilot Bearing - Manual Transmission
(30)Camshaft Position Sensor Bolt
(31)Camshaft Position Sensor
(32)Oil Pressure Sensor
(33)Engine Block
(34)Piston Rings
(35)Piston and Connecting Rod Assembly
(36)Connecting Rod Bearings
(37)Connecting Rod Bearing Cap
(38)Connecting Rod Bolt
(39)Oil Pump Screen Bolt
(40)Oil Pump Screen O-ring Seal
(41)Oil Pump Screen
(42)Oil Pump Screen Nut
(43)Crankshaft Oil Deflector
(44)Balance Weight - Manual Transmission
Figure 5:

Cylinder Head Assembly - Aluminum


Object Number: 822537  Size: MH
(1)Cylinder Head
(2)Valve Stem Keys
(3)Valve Spring Cap
(4)Valve Spring
(5)Valve Stem Oil Seal and Shim Assembly
(6)Valve Guide
(7)Cylinder Head Expansion Plugs
(7)Cylinder Head Expansion Plugs
(8)Exhaust Valve Seat
(9)Exhaust Valve
(10)Intake Valve
(11)Intake Valve Seat
Figure 6:

Oil Pump Assembly


Object Number: 64190  Size: SF
(1)Driven Gear
(2)Oil Pump Housing
(3)Pressure Relief Valve
(4)Pressure Relief Valve Spring
(5)Plug
(6)Drive Gear
(7)Cover Bolt
(8)Cover