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

Intake Manifold/Upper Engine


Object Number: 178456  Size: LF
(1)Fuel Rail Bolt
(2)Fuel Rail (with Injectors)
(3)Fuel Rail Stop Bracket
(4)Throttle Body Gasket
(5)Intake Manifold Bolt
(6)Intake Manifold Gaskets
(7)Intake Manifold
(8)Throttle Body
(9)Throttle Body Bolt
(10)Valley Cover Gasket
(11)Valley Cover
(12)Valley Cover Bolt
(13)Knock Sensor Oil Seal
(14)Knock Sensor
(15)Knock Sensor Wire Harness
(16)Engine Coolant Air Bleed Hose
(17)Engine Coolant Air Bleed Pipe
(18)Engine Coolant Air Bleed Pipe Gasket
(19)Engine Coolant Air Bleed Pipe Bolt
Figure 2:

Cylinder Head/Upper Engine


Object Number: 178452  Size: LF
(1)Valve Stem Keys
(2)Valve Spring Cap
(3)Valve Spring
(4)Valve Stem Oil Seal
(5)Valve Spring Shim
(6)Valve
(7)Exhaust Manifold Gasket
(8)Cylinder Head
(9)Coolant Temperature Sensor
(10)Exhaust Manifold
(11)Exhaust Manifold Bolts
(12)Pushrod
(13)Valve Rocker Arm
(14)Valve Rocker Arm Bolt
(15)Valve Rocker Arm Pivot Support
(16)Cylinder Head Gasket
(17)Valve Rocker Arm Cover Gasket
(18)Oil Fill Tube
(19)Oil Fill Tube Cap
(20)Valve Rocker Arm Cover Assembly
(21)Vapor Vent Valve Grommet
(22)Cylinder Head Bolt (Short)
(23)Cylinder Head Bolt (Medium)
(24)Cylinder Head Bolt (Long)
Figure 3:

Lower Front Of Engine


Object Number: 178453  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)Crankshaft Sprocket
(13)Camshaft 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 Retainer Bolt
(25)Camshaft Sprocket
(26)Camshaft Sprocket Locating Pin
(27)Camshaft Sprocket Bolt
(28)Water Pump Pulley Bolt
(29)Camshaft Bearings
(30)Water Pump Pulley
(31)Water Pump
(32)Water Pump Bolt
(33)Water Pump Gaskets
(34)Oil Level Indicator
Figure 4:

Lower Engine Assembly


Object Number: 178454  Size: LF
(1)Camshaft Position Sensor Bolt
(2)Camshaft Position Sensor
(3)Oil Pressure Sensor
(4)Engine Block
(5)Piston Rings
(6)Piston and Connecting Rod Assembly
(7)Connecting Rod Bearings
(8)Connecting Rod Cap
(9)Connecting Rod Bolt
(10)Crankshaft Oil Deflector
(11)Engine Flywheel - Manual Transmission
(12)Engine Flywheel - Automatic Transmission
(13)Engine Flywheel Bolt
(14)Oil Pan Gasket
(15)Oil Pan
(16)Oil Pan Cover Gasket
(17)Oil Pan Cover
(18)Oil Pan Cover Bolt
(19)Oil Pan Closeout Cover Bolt - Left Side
(20)Oil Pan Closeout Cover - Left Side
(21)Oil Filter Adapter
(22)Oil Filter
(23)Oil Level Sensor
(24)Oil Pan Closeout Cover - Right Side
(25)Oil Pan Closeout Cover Bolt - Right Side
(26)Crankshaft Bearing Cap Side Bolt
(27)Crankshaft Bearing Caps
(28)Crankshaft Bearing Cap Studs
(29)Crankshaft Bearing Cap Bolts
(30)Crankshaft Bearing
(31)Crankshaft Thrust Bearing
(32)Crankshaft
(33)Crankshaft Sprocket Key
(34)Engine Block Front Oil Gallery Plug
(35)Clutch Pilot Bearing
(36)Oil Pump Screen Bolt
(37)Oil Pump Screen
(38)Oil Pump Screen Nut
(39)Oil Pump Screen O-Ring
Figure 5:

Cylinder Head Assembly (Aluminum)


Object Number: 64108  Size: MH
(1)Cylinder Head
(2)Valve Stem Keys
(3)Valve Spring Cap
(4)Valve Spring
(5)Valve Stem Oil Seal
(6)Valve Spring Shim
(7)Valve Guide
(8)Cylinder Head Expansion Plugs
(9)Exhaust Valve Seat
(10)Exhaust Valve
(11)Intake Valve Seat
(12)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