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

Cylinder Head and Components


Object Number: 18801  Size: LF
(1)Ignition Distributor Wiring Harness
(2)Valve Rocker Arm Cover Grommet
(3)Valve Rocker Arm Cover Bolt
(4)Valve Rocker Arm Cover
(5)Valve Stem Keys (2)
(6)Valve Spring Cap
(7)Valve Spring
(8)Valve Rocker Arm Bolt (LT4)
(9)Valve Rocker Arm (LT4)
(10)Valve Rocker Arm
(11)Valve Pushrod
(12)Valve Rocker Arm Cover Gasket
(13)Cylinder Head
(14)Spark Plug Harness Wire Support
(15)Spark Plug Harness Support Bolt
(16)Spark Plug
(17)Exhaust Manifold Gasket
(18)Exhaust Manifold
(19)Exhaust Manifold Heat Shield
(20)Exhaust Manifold Stud
(21)Spark Plug Harness Wire Support
(22)Coolant Temperature Sensor
(23)Drive Belt Idler Pulley
(24)Drive Belt Idler Pulley
(25)Drive Belt Idler Pulley Bolt
(26)Drive Belt Tensioner
(27)Drive Belt Idler Pulley Bolt
(28)Generator Bracket
(29)Generator Bracket Bolt
(30)Valves
(31)Valve Rocker Arm Stud
(32)Valve Lifter
(33)Valve Lifter Guide
(34)Valve Spring Shim
(35)Valve Guide Oil Seal
(36)Valve Lifter Guide Retainer
(37)Retainer Bolt
Figure 2:

Engine Block and Components


Object Number: 18802  Size: LF
(1)Engine Block
(2)Crankshaft Rear Oil Seal Housing Gasket
(3)Crankshaft Pilot Bearing
(4)Crankshaft Rear Oil Seal Housing Stud
(5)Crankshaft Rear Oil Seal Housing Stud
(6)Crankshaft Rear Oil Seal Housing
(7)Crankshaft Rear Oil Seal
(8)Manual Transmission Engine Flywheel
(9)Automatic Transmission Engine Flywheel
(10)Engine Flywheel Bolt
(11)Oil Pan Gasket
(12)Oil Pan
(13)Oil Pan Drain Bolt
(14)Oil Level Sensor
(15)Oil Pan Nut
(16)Oil Pan Bolts
(17)Oil Pan Reinforcements
(18)Crankshaft Oil Deflector
(19)Oil Pump Bolt
(20)Crankshaft Oil Deflector Nuts
(21)Oil Pump
(22)Oil Pump Retainer
(23)Oil Pump Driveshaft
(24)Crankshaft Bearing Caps
(25)Crankshaft Bearing Cap Stud
(26)Crankshaft Bearing Cap Bolt
(27)Starter Motor Bolt
(28)Starter Motor
(29)Crankshaft Sprocket
(30)Crankshaft Position Sensor Reluctor Ring
(31)Crankshaft Balancer Hub Bolt
(32)Crankshaft Balancer
(33)Crankshaft Balancer Bolt
(34)Crankshaft Hub Washer
(35)Crankshaft Balancer Hub
(36)Crankshaft
(37)Crankshaft Rear Oil Seal Housing Locator Pin
(39)Crankshaft Thrust Bearing
(39)Crankshaft Bearings
Figure 3:

Intake Manifold and Components


Object Number: 18799  Size: LF
(1)Fuel Rail
(2)Left Fuel Rail Cover
(3)A.I.R. Check Valve
(4)Secondary Air Injection Pipe
(5)EGR Valve Bolt
(6)EGR Plate (LT4)
(7)EGR Valve (LT1)
(8)EGR Valve Gasket
(9)EGR Control Valve Relay Solenoid (LT1)
(10)EGR Control Valve Relay Solenoid Stud (LT1)
(11)Intake Manifold Bolt
(12)Vacuum Fitting
(13)Coolant Pipe Bolt
(14)Coolant Pipe Washers
(15)Engine Coolant Air Bleed Pipe
(16)PCV Valve Vacuum Hose
(17)PCV Valve
(18)PCV Valve Grommet
(19)Accelerator Control Cable Bracket Bolt
(20)Accelerator Control Cable Bracket
(21)Intake Manifold Gasket
(22)Intake Manifold
(23)Throttle Body Gasket
(24)Throttle Body Heater Hose Clamp
(25)Throttle Body Heater Hose
(26)Distributor Vacuum Harness Assembly
(27)Throttle Body Bolt
(28)Throttle Body
(29)Vacuum Fitting
(30)Fuel Pressure Regulator Vacuum Hose
(31)Evaporative Emission Canister Purge Solenoid Valve
(32)Evaporative Emission Canister Purge Solenoid Valve Hose
(33)Evaporative Emission Canister Purge Solenoid Valve Bracket
(34)Evaporative Emission Canister Purge Solenoid Valve Nut
(35)Crankcase Vent Valve Hose
(36)Fuel Rail Bolt
(37)Right Fuel Rail Cover
Figure 4:

Cylinder Block and Components


Object Number: 18798  Size: LF
(1)Piston Pin
(2)Piston Rings
(3)Piston
(4)Connecting Rod
(5)Connecting Rod Bolts
(6)Connecting Rod Bearing
(7)Oil Pump Drive Shaft Bolt
(8)Oil Pump Drive Shaft
(9)Connecting Rod Cap
(10)Cylinder Block
(11)Oil Filter Adapter Gasket
(12)Oil Filter Adapter O-Ring Seal
(13)Oil Filter Adapter
(14)Oil Filter Adapter Bolt
(15)Oil Filter
(16)Knock Sensor
(17)Engine Block Coolant Drain Plug
(18)Camshaft
(19)Camshaft Retainer
(20)Camshaft Sprocket
(21)Camshaft Sprocket Locator Pin
(22)Camshaft Timing Chain
(23)Spark Plug Wire Harness
(24)Engine Front Cover Gasket
(25)Engine Front Cover
(26)Crankshaft Position Sensor
(27)Crankshaft Position Sensor Bolt
(28)Engine Front Cover Oil Seals
(29)Distributor Bolt
(30)Distributor
(31)Spark Plug Wire Harness
(32)Water Pump Bolts
(33)Water Pump
(34)Water Pump Gasket
(35)Water Pump Driveshaft O-Ring Seal
(36)Water Pump Driveshaft Coupling
(37)Water Pump Driveshaft Bolt
(38)Water Pump Driveshaft Assembly
(39)Camshaft Sprocket Bolt
(40)Camshaft Retainer Bolt
(41)Camshaft Bearings
(42)Connecting Rod Nuts
(43)Oil Level Indicator Tube
(44)Oil Level Indicator