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

Intake Manifold/Upper Engine


Object Number: 639605  Size: LF
(1)Fuel Rail Bolt
(2)Fuel Rail - with Injectors
(3)Fuel Rail Stop Bracket
(4)Throttle Body Gasket
(5)Intake Manifold Bolt
(5)Intake Manifold Bolt
(6)Intake Manifold Gasket
(7)Manifold Absolute Pressure (MAP) Sensor
(8)Intake Manifold
(9)Throttle Body
(10)Throttle Body Bolt
(11)Valley Cover Gasket
(12)Valley Cover
(13)Valley Cover Bolt
(14)Knock Sensor Oil Seal
(15)Knock Sensor
(16)Knock Sensor Wire Harness
(17)Engine Coolant Air Bleed Hose
(18)Engine Coolant Air Bleed Pipe Stud
(18)Engine Coolant Air Bleed Pipe Stud
(19)Engine Coolant Air Bleed Pipe
(20)Engine Coolant Air Bleed Pipe Gasket
(20)Engine Coolant Air Bleed Pipe Gasket
(21)Engine Coolant Air Bleed Pipe Bolt
(21)Engine Coolant Air Bleed Pipe Bolt
(22)Engine Coolant Air Bleed Pipe Hole Cover
(22)Engine Coolant Air Bleed Pipe Hole Cover
(23)Fuel Rail Bolt
Figure 2:

Cylinder Head/Upper Engine


Object Number: 727397  Size: LF
(1)Valve Rocker Arm Cover Bolt
(2)Valve Rocker Arm Cover Bolt Grommet
(3)Cylinder Head Bolt - Short
(4)Cylinder Head Bolt - Medium
(5)Cylinder Head
(6)Cylinder Head Bolt - Long
(7)Valve Stem Key
(8)Valve Spring Cap
(9)Valve Spring
(10)Valve Stem Oil Seal - First Design
(11)Valve Stem Oil Seal and Shim Assembly - Second Design
(12)Valve Spring Shim - First Design
(13)Valve
(14)Exhaust Manifold Gasket
(15)Exhaust Manifold - with Heat Shield
(16)Pushrod
(17)Coolant Temperature Gage Sensor
(18)Valve Rocker Arm Bolt
(19)Valve Rocker Arm
(20)Valve Rocker Arm Pivot Support
(21)Cylinder Head Gasket
(22)Valve Rocker Arm Cover Gasket
(23)Valve Rocker Arm Cover
(24)Oil Fill Tube
(25)Oil Fill Cap
(26)Ignition Coil and Bracket Assembly
(27)Ignition Coil and Bracket Assembly Bolt
Figure 3:

Lower Front of Engine


Object Number: 309777  Size: LF
(1)Oil Level Indicator Tube
(2)Oil Level Indicator Tube O-ring Seal
(3)Valve Lifter Guide Bolt
(4)Valve Lifter Guide
(5)Valve Lifter
(6)Engine Block
(7)Crankshaft Rear Oil Seal
(8)Engine Rear Cover Bolt
(9)Engine Rear Cover
(10)Engine Rear Cover Gasket
(11)Engine Block Rear Oil Gallery Plug
(12)Crankshaft Sprocket
(13)Timing Chain
(14)Oil Pump Assembly
(15)Oil Pump Assembly Bolt
(16)Engine Front Cover Gasket
(17)Engine Front Cover
(18)Crankshaft Front Oil Seal
(19)Crankshaft Balancer
(20)Crankshaft Balancer Bolt
(21)Engine Front Cover Bolt
(22)Camshaft
(23)Camshaft Retainer
(24)Camshaft Sprocket
(25)Camshaft Sprocket Locating Pin
(26)Camshaft Sprocket Bolt
(27)Camshaft Retainer Bolt
(28)Camshaft Bearings
(29)Water Pump
(30)Water Pump Bolt
(31)Water Pump Gasket
(32)Oil Level Indicator
(33)Oil Level Indicator Tube Bolt
Figure 4:

Lower Engine Assembly


Object Number: 309773  Size: LF
(1)Flywheel - Manual Transmission
(2)Flywheel - Automatic Transmission
(3)Crankshaft Oil Deflector
(4)Oil Pump Screen
(5)Oil Pump Screen Nut
(6)Oil Pan Baffle Bolt
(7)Oil Pan Baffle
(8)Oil Transfer Tube
(9)Oil Transfer Tube Gasket
(10)Flywheel Bolt
(11)Oil Pan Closeout Cover Bolt - Right Side
(12)Oil Pan Closeout Cover - Right Side
(13)Oil Pan Closeout Cover - Left Side
(14)Oil Pan Closeout Cover Bolt - Left Side
(15)Oil Pan Oil Gallery Plug
(16)Oil Transfer Tube Bolt
(17)Oil Pan
(18)O-Ring Seal, if applicable
(19)Oil Pan Cover Gasket
(20)Oil Pan Cover
(21)Oil Pan Tube Stud
(22)Oil Pan Cover Nut
(23)Oil Filter Adapter
(24)Oil Filter
(25)Oil Pan Drain Plug
(26)Crankshaft Bearing Cap Side Bolt
(27)Crankshaft Bearing Caps
(28)Crankshaft Bearing Cap Stud
(28)Crankshaft Bearing Cap Stud
(29)Crankshaft Bearing Cap Bolt
(30)Crankshaft Bearing
(30)Crankshaft Bearing
(31)Crankshaft Bearing - Thrust Lower
(32)Clutch Pilot Bearing
(33)Oil Pump Screen O-Ring
(34)Crankshaft
(35)Crankshaft Sprocket Key
(36)Crankshaft Bearing - Thrust Upper
(37)Engine Block Front Oil Gallery Plug
(38)Camshaft Position Sensor Bolt
(39)Camshaft Position Sensor
(40)Oil Pressure Sensor
(41)Engine Block
(42)Piston Rings
(43)Piston and Connecting Rod Assembly
(44)Connecting Rod Bearings
(45)Connecting Rod Cap
(46)Connecting Rod Bolt
Figure 5:

Cylinder Head Assembly - Aluminum


Object Number: 721939  Size: MH
(1)Cylinder Head
(2)Valve Stem Oil Seal and Shim Assembly - Second Design
(3)Valve Stem Keys
(4)Valve Spring Cap
(5)Valve Spring
(6)Valve Stem Oil Seal - First Design
(7)Valve Spring Shim - First Design
(8)Valve Guide
(9)Cylinder Head Expansion Plugs
(9)Cylinder Head Expansion Plugs
(10)Exhaust Valve Seat
(11)Exhaust Valve
(12)Intake Valve Seat
(13)Intake Valve
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