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

Upper and Lower Intake Manifolds and Components


Object Number: 276351  Size: LF
(1)Camshaft Position Sensor and Clamp
(2)Camshaft Position Sensor Bolt
(3)Fuel Rail Stud
(4)Fuel Rail Assembly
(5)Fuel Rail Retaining Bolt
(6)EGR Valve Gasket
(7)EGR Valve
(8)EGR Valve Bolt
(9)EGR Valve Pipe
(10)EGR Valve Pipe Bolt
(11)EGR Valve Inlet Pipe Fitting
(12)Oil Splash Shield
(13)Lower Intake Manifold End Gaskets
(14)Lower Intake Manifold Retaining Bolt
(15)MAP Sensor Bolt
(16)MAP Sensor Retainer
(17)Lower Intake Manifold Gasket
(18)Lower Intake Manifold
(19)ECT Hole
(20)Thermostat Bypass Hose Fitting
(21)Coolant Vent Line Fitting
(22)Lower Intake Manifold End Gaskets
(23)Thermostat
(24)MAP Sensor
(25)Upper Intake Manifold Gaskets
(26)Water Outlet Housing
(27)Water Outlet Housing Bolt
(28)EVAP Purge Solenoid Bolt
(29)EVAP Purge Solenoid
(30)Upper Intake Manifold Bolt
(31)Upper Intake Manifold
(32)Throttle Body Mounting Stud
(33)Throttle Body
(34)Throttle Body Gasket
Figure 2:

Cylinder Head and Components


Object Number: 374751  Size: LF
(1)Valve Rocker Arm Bolt
(2)Valve Rocker Arm Ball
(3)Valve Rocker Arm
(4)Pushrod Guide
(5)Coolant Temperature Sensor (RH Head)
(6)Coolant Temperature Sensor Plug
(7)Cylinder Head
(8)Exhaust Manifold Stud
(9)Exhaust Manifold Gasket
(10)Exhaust Manifold
(11)Exhaust Manifold Bolt
(12)Heat Shield Nut
(13)Heat Shield
(14)Heat Shield Nut
(15)Cylinder Head Gasket
(16)Exhaust Valve
(17)Exhaust Valve Seat
(18)Intake Valve
(19)Valve Rotator
(20)Valve Stem Oil Seal
(21)Valve Spring
(22)Valve Spring Retainer
(23)Valve Keys
(24)Front Lift Bracket Studs
(25)Front Lift Bracket Bolt
(26)Lift Bracket
(27)Cylinder Head Bolt
(28)Exhaust Valve Guide
(29)Valve Rocker Arm Cover Gasket
(30)Valve Rocker Arm Cover
(31)Valve Rocker Arm Cover Bolt
(32)Valve Pushrod
(33)Valve Pushrod
Figure 3:

Lower Engine Block and Components


Object Number: 374755  Size: LF
(1)Valve Lifter Guide Retainer Bolt
(2)Valve Lifter Guide Retainer
(3)Valve Lifter Guide
(4)Valve Lifter
(5)Oil Pressure Sensor
(6)Cylinder Head Locating Pin
(7)Engine Block
(8)Knock Sensor
(9)Knock Sensor Heat Shield
(10)Knock Sensor Heat Shield Bolt
(11)Oil Pan Gasket
(12)Oil Pan
(13)Oil Pan Bolt
(14)Oil Filter
(15)Oil Filter Fitting
(16)Engine Block Coolant Drain Hole Plug
(17)Engine Block Oil Gallery Plug
(18)Engine Front Cover Locating Pin
(19)Engine Front Cover Gasket
(20)Crankshaft Position Sensor
(21)Crankshaft Position Sensor Bolts
(22)Engine Front Cover
(23)Crankshaft Balancer
(24)Water Pump Gaskets
(25)Water Pump Bolt
(26)Water Pump
(27)Bypass Hose
(28)Bypass Hose Clamp
(29)Coolant Vent Hose
(30)Coolant Vent Hose Clamp
(31)Engine Front Cover Bolt
(32)Timing Chain
(33)Camshaft Sprocket Bolt
(34)Camshaft Sprocket
(35)Crankshaft Sprocket
(36)Camshaft Retainer Bolt
(37)Camshaft Retainer
(38)Camshaft Bearings
(39)Camshaft
Figure 4:

Engine Crankshaft and Components


Object Number: 374784  Size: LF
(1)Oil Pump Bolt
(2)Oil Pump Screen
(3)Oil Pump
(4)Oil Pump Locating Pins
(5)Oil Pump Driveshaft Retainer
(6)Oil Pump Driveshaft
(7)Crankshaft Thrust Bearing Cap
(8)Crankshaft Thrust Bearing
(9)Rear Crankshaft Seal
(10)Crankshaft Thrust Bearing
(11)Crankshaft Bearing Cap Oil Seal
(12)Engine Block
(13)Piston
(14)Piston Rings
(15)Pressed in Studs w/Sculptured Heads
(16)Piston Pin
(17)Connecting Rod
(18)Connecting Rod Bearing
(19)Connecting Rod Cap
(20)Connecting Rod Nut
(21)Upper Crankshaft Bearings
(22)Crankshaft
(23)Crankshaft Sprocket
(24)Crankshaft Position Sensor Reluctor Ring
(25)Lower Crankshaft Bearings
(26)Crankshaft Bearing Cap
(27)Crankshaft Bearing Cap Bolt (Long)
(28)Crankshaft Bearing Cap Bolt (Short)
Figure 5:

Engine Flywheel and Flywheel Housing Components


Object Number: 375150  Size: LF
(1)Engine Flywheel Adapter
(2)Engine Flywheel
(3)Engine Flywheel Bolt
(4)Clutch Pilot Bearing
(5)Engine Flywheel Adapter Bolt
(6)Engine Flywheel Inner Retainer
(7)Engine Flywheel
(8)Engine Flywheel Outer Retainer
(9)Engine Flywheel Bolt
(10)Engine Flywheel
(11)Engine Flywheel Flex Plate
(12)Engine Flywheel Retainer
(13)Engine Flywheel Bolt
(14)Engine Flywheel Bolt
(15)Clutch Pilot Bearing
(16)Engine Flywheel
(17)Engine Flywheel Housing TORX® Bolt
(18)Engine Flywheel Housing Cover
(19)Engine Flywheel Housing Cover Bolt
(20)Engine Flywheel Housing
(21)Engine Flywheel Housing Bolt
(22)Engine Flywheel Housing Cover
(23)Engine Flywheel Housing Cover Bolt
(24)Engine Flywheel Housing
(25)Engine Flywheel Housing Bolt