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

Upper Intake Manifold and Components


Object Number: 54313  Size: LF
(1)Upper Intake Manifold Bolt
(2)Thermostat Bypass Pipe
(3)Thermostat Bypass Pipe Nut
(4)Thermostat Bypass Pipe Bolt
(5)Thermostat Bypass Pipe Screw
(6)Thermostat Bypass Hose Clamp
(7)Thermostat Bypass Hose
(8)Thermostat Bypass Hose Clamp
(9)Coolant Outlet Bolt
(10)Coolant Outlet Assembly
(11)Thermostat
(12)PCV Valve
(13)PCV Valve Grommet
(14)Oil Fill Cap
(15)Rocker Arm Cover Bolt
(16)Rocker Arm Cover
(17)Exhaust Crossover Nut
(18)Exhaust Crossover Pipe
(19)Exhaust Crossover Upper Heat Shield
(20)Upper Intake Manifold Gasket
(21)Upper Intake Manifold Gasket
(22)EVAP Canister Purge Valve Bracket Stud
(23)EVAP Canister Purge Valve Bracket Stud
(24)EVAP Canister Purge Valve Bracket
(25)EVAP Canister Purge Valve
(26)Spark Plug Wire Support
(27)Electronic Ignition System Nut
(28)Electronic Ignition System
(29)Electronic Ignition System Bolt
(30)Electronic Ignition System Bolt
(31)EGR Valve Pipe Assembly
(32)EGR Valve Pipe Gasket
(33)EGR Valve Gasket
(34)EGR Valve Assembly Bolt
(35)EGR Valve Assembly
(36)Upper Intake Manifold Stud
(37)Upper Intake Manifold
Figure 2:

Lower Intake Manifold, Cylinder Head, and Components


Object Number: 54316  Size: LF
(1)Fuel Injector Wiring Harness
(2)Fuel Injector Rail Assembly
(3)Lower Intake Manifold Bolt
(4)Lower Intake Manifold Bolt
(5)Engine Coolant Temperature Sensor
(6)Intake Manifold Coolant Pipe
(7)Pushrod
(8)Cylinder Head Bolt
(9)Rocker Arm Bolt
(10)Rocker Arm
(11)Cylinder Head Bolt
(12)Valve Spring Cap Key
(13)Valve Spring Cap
(14)Valve Spring
(15)Valve Stem Oil Seal
(16)Cylinder Head Bolt
(17)Cylinder Head Assembly
(18)Exhaust Crossover Stud
(19)Left Hand Exhaust Manifold
(20)Left Hand Exhaust Manifold Stud
(21)Left Hand Exhaust Heat Shield Screw
(22)Left Hand Exhaust Heat Shield
(23)Left Hand Exhaust Manifold Nut
(24)Left Hand Exhaust Manifold Gasket
(25)Intake Valve
(26)Exhaust Valve
(27)Cylinder Head Gasket
(28)Lower Intake Manifold Gasket
(29)Left Hand Spark Plug Wires
(30)Right Hand Exhaust Manifold Lower Heat Shield
(31)Right Hand Spark Plug Wires
(32)Right Hand Exhaust Manifold Lower Heat Shield Screw
(33)Right Hand Exhaust Manifold Stud
(34)Right Hand Exhaust Manifold Nut
(35)Right Hand Exhaust Manifold Upper Heat Shield Screw
(36)Right Hand Exhaust Manifold
(37)Right Hand Exhaust Manifold Upper Heat Shield
(38)Right Hand Exhaust Manifold Gasket
(39)Lower Intake Manifold
(40)Heated Oxygen Sensor
(41)Fuel Injector Rail Assembly Screw
Figure 3:

Cylinder Block and Components


Object Number: 54317  Size: LF
(1)Upper Piston Compression Ring
(2)Lower Piston Compression Ring
(3)Oil Control Ring Assembly
(4)Piston
(5)Piston Pin
(6)Connecting Rod Bolt
(7)Connecting Rod
(8)Upper Connecting Rod Bearing
(9)Lower Connecting Rod Bearing
(10)Connecting Rod Cap
(11)Connecting Rod Cap Nut
(12)Camshaft Rear Cover
(13)Expansion Plug
(14)Transmission Dowel Pin
(15)Oil Gallery Plug
(16)Oil Gallery Plug
(17)Engine Block
(18)Expansion Plug
(19)Engine Coolant Drain Plug
(20)Oil Filter
(21)Oil Filter Adapter
(22)Knock Sensor
(23)Timing Chain Dampener
(24)Timing Chain Dampener Bolt
(25)Front Cover Alignment Pin
(26)Front Cover Small Bolt
(27)Crankshaft Position Sensor
(28)Front Cover Oil Seal
(29)Crankshaft Position Sensor Bolt
(30)Coolant Pump Pulley Bolt
(31)Coolant Pump Pulley
(32)Coolant Pump Bolt
(33)Coolant Pump
(34)Coolant Pump Gasket
(35)Large Front Cover Bolt
(36)Serpentine Belt Tensioner Bolt
(37)Serpentine Belt Tensioner
(38)Front Cover
(39)Front Cover Gasket
(40)Oil Gallery Plug
(41)Oil Gallery Plug
(42)Camshaft Sprocket Bolt
(43)Camshaft Sprocket
(44)Camshaft Thrust Plate Screw
(45)Camshaft Thrust Plate
(46)Camshaft Dowel Pin
(47)Camshaft Bearing
(48)Camshaft Bearing
(49)Camshaft Bearing
(50)Camshaft Bearing
(51)Camshaft
(52)Ignition Timer Sensor Screw
(53)Ignition Timer Sensor
(54)Roller Valve Lifter
(55)Camshaft Position Sensor
(56)Camshaft Position Sensor Screw
(57)Valve Lifter Guide Screw
(58)Valve Lifter Guide
(59)Oil Pump Drive Assembly
(60)Oil Pump Drive Clamp
(61)Oil Pump Drive Clamp Bolt
Figure 4:

Crankshaft and Components


Object Number: 54321  Size: LF
(1)Oil Level Indicator Assembly Bolt
(2)Oil Level Indicator Bracket
(3)Oil Level Indicator Assembly
(4)Oil Pan Gasket
(5)Starter Motor Shim
(6)Starter Motor
(7)Starter Motor Long Bolt
(8)Starter Motor Short Bolt
(9)Oil Pan Cross Bolt
(10)Low Oil Level Indicator Bolt
(11)Low Oil Level Indicator
(12)Oil Pan
(13)Crankshaft Oil Deflector Nut
(14)Oil Drain Plug Washer
(15)Oil Drain Plug
(16)Oil Pump Bolt
(17)Oil Pump
(18)Oil Pump Drive Rod
(19)Main Bearing Cap Stud
(20)Oil Pan Cross Bolt
(21)Oil Pan Retaining Bolt
(22)Main Bearing Cap
(23)Oil Pump Alignment
(24)Crankshaft Oil Deflector
(25)Main Bearing Cap Bolt
(26)Main Bearing Cap
(27)Crankshaft Main Bearing
(28)Crankshaft Balancer Bolt
(29)Crankshaft Balancer Washer
(30)Crankshaft Balancer
(31)Crankshaft Sprocket
(32)Timing Chain
(33)Crankshaft Key
(34)Crankshaft Main Bearing
(35)Crankshaft
(36)Rear Main Oil Seal
(37)Bearing Cap Alignment Pin
(38)Flywheel
(39)Flywheel Retainer
(40)Flywheel Bolt