Contents Wiring diagrams Section: Mechanical All sections

Engine Mechanical - 4.3L: Maintenance GMC Sierra 3500 HD

Mechanical 5 illustrations

Adhesives, Fluids, Lubricants, and Sealers

ApplicationType of MaterialGM Part Number
United StatesCanada
Balancer Shaft Driven Gear BoltThreadlock1234538210953489
Camshaft Retainer BoltThreadlock1234538210953489
Crankshaft Balancer KeywayAdhesive1234614110953433
Cylinder Head BoltSealant1234600410953480
Engine Block to the Crankshaft Rear Oil Seal Housing Junction at the Oil Pan Sealing SurfacesAdhesive1234614110953433
Engine Block to the Engine Front Cover Junction at the Oil Pan Sealing SurfacesAdhesive1234614110953433
Engine Block at the Lower Intake Manifold Sealing SurfacesAdhesive1234614110953433
Engine Block Coolant Drain Hole PlugSealant1234600410953480
Engine Block Core Hole PlugThreadlock1234538210953489
Engine Block Oil Gallery PlugSealant1234600410953480
Engine Coolant Temperature (ECT) Gage SensorSealant1234600410953480
Engine Coolant Temperature (ECT) SensorSealant1234600410953480
Engine OilSAE 5W-30 Oil12345610993193
Engine Oil Pressure SensorSealant1234600410953480
Engine Oil Pressure Sensor FittingSealant1234600410953480
Engine Oil SupplementLubricant1052367992367
Evaporative Emission (EVAP) Canister Purge Solenoid Valve StudThreadlock1234538210953489
Exhaust Manifold Bolt/StudThreadlock1234549310953488
Expansion Cup Plug - Balance Shaft Rear Bearing HoleSealant1234600410953480
Expansion Cup Plug - Camshaft Rear Bearing HoleSealant1234600410953480
Fuel Meter Body Bracket BoltThreadlock1234538210953489
Fuel Pipe BoltThreadlock1234538210953489
Lower Intake Manifold BoltThreadlock1234538210953489
Oil Level Indicator TubeSealant1234600410953480
Oil Pump Screen TubeSealant1234600410953480
Throttle Body StudThreadlock1234538210953489
Upper Intake Manifold StudThreadlock1234538210953489
Valve Train Component PrelubeLubricant12345501992704
Water Pump BoltSealant1234600410953480

Scheme 8

Scheme 8: Disassembled Views
CalloutComponent Name
1Throttle Body
2Throttle Body Stud
3Idle Air Control Valve Seal
4Idle Air Control Valve
5Idle Air Control Valve Bolt
6O-ring
7Spacer
8Fuel Injection Fuel Feed and Return Pipe Retainer Nut
9Fuel Injection Fuel Feed and Return Pipe Retainer
10Fuel Injection Fuel Feed and Return Pipe
11Fuel Service Port Cap
12Fuel Schrader Valve
13Engine Wiring Harness Bracket Nut
14Engine Wiring Harness Bracket
15Fuel Injection Fuel Feed and Return Pipe Bolt
16Fuel Injector Fuel Meter Fuel Passage Plug
17Spacer
18O-ring
19Upper Intake Manifold Stud
20Positive Crankcase Ventilation Valve Cover
21Positive Crankcase Ventilation Valve Cover Seal
22Upper Intake Manifold
23Upper Intake Manifold Gasket
24Fuel Injector Fuel Meter Body Seal
25Fuel Injector Fuel Meter Body
26Lower Intake Manifold
27Heater Hose Fitting
28Engine Coolant Thermostat
29Engine Coolant Thermostat Seal
30Water Outlet
31Water Outlet Stud
32Throttle Body Seal
33Throttle Position Sensor Bolt
34Throttle Position Sensor

Scheme 9

Scheme 9
CalloutComponent Name
1Spark Plug Wire Retainer
2Spark Plug Wire Harness
3Oil Pump Drive Shaft Clamp Bolt
4Oil Pump Drive Shaft
5Spark Plug Wire Harness
6Spark Plug Wire Retainer
7Spark Plug Wire Retainer
8Spark Plug Wire Retainer
9Spark Plug
10Oil Pump Drive Shaft Gasket
11Spark Plug Wire Retainer
12Manifold Absolute Pressure Sensor
13Manifold Absolute Pressure Sensor Seal
14Lower Intake Manifold Bolt
15Lower Intake Manifold Gasket
16Intake Manifold Assembly
17Accelerator Control Cable Bracket Stud
18Accelerator Control Cable Bracket Bolt
19Accelerator Control Cable Bracket
20Accelerator Control Cable Bracket Nut
21Ignition Coil Bracket
22Ignition Coil Bracket Bolt
23Ignition Coil Assembly to Bracket Bolt
24Ignition Coil Assembly
25Ignition Coil Module
26Ignition Coil Module Bolt
27EVAP Purge Valve Seal
28EVAP Purge Valve
29EVAP Purge Valve Hose
30EVAP Purge Valve Bolt
31Spark Plug Wire Retainer

Scheme 10

Scheme 10
CalloutComponent Name
1Oil Filler Cap
2Oil Filler Cap Seal
3Oil Filler Tube
4Oil Filler Tube Seal
5Valve Rocker Arm Cover
6Valve Push Rod
7Valve Lifter Guide Bolt
8Valve Stem Oil Seal
9Valve Spring
10Valve Spring Cap
11Valve Stem Key
12Valve Rocker Arm Cover
13Positive Crankcase Ventilation Tube
14Valve Rocker Arm Cover Bolt
15Valve Rocker Arm Cover Bolt Grommet
16Valve Rocker Arm Cover Gasket
17Valve Rocker Arm Bolt
18Valve Rocker Arm
19Valve Rocker Arm Pivot Support
20Cylinder Head Bolt
21Spark Plug Wire Support
22Spark Plug Wire Support Bolt
23Cylinder Head Bolt
24Cylinder Head Bolt
25Exhaust Manifold Gasket
26Exhaust Manifold
27Exhaust Manifold Heat Shield Bolt
28Spark Plug Wire Shield
29Exhaust Manifold Bolt
30Exhaust Manifold Stud
31Spark Plug Wire Shield
32Exhaust Manifold Heat Shield
33Exhaust Manifold Gasket
34Engine Coolant Temperature Sensor
35Valve
36Cylinder Head
37Valve Lifter Guide
38Cylinder Head Gasket
39Cylinder Head Location Pin
40Valve Lifter
41Positive Crankcase Ventilation Tube Grommet
42Positive Crankcase Ventilation Tube

Scheme 11

Scheme 11
CalloutComponent Name
1Thermostat Bypass Hose
2Thermostat Bypass Pipe Clamp
3Water Pump
4Water Pump Gasket
5Balance Shaft Gear Bolt
6Balancer Shaft Driven Gear
7Balance Shaft Retainer Bolt
8Balancer Shaft Retainer
9Balancer Shaft Front Bearing
10Balance Shaft
11Piston Ring Set
12Piston
13Piston Pin
14Connecting Rod
15Connecting Rod Bearing Cap
16Connecting Rod Bolt
17Connecting Rod Bearing
18Oil Level Indicator
19Oil Level Indicator Tube
20Oil Level Indicator Tube Bolt
21Knock Sensor Bolt
22Knock Sensor
23Engine Block
24Engine Oil Pressure Indicator Switch Fitting
25Engine Oil Pressure Indicator Switch
26Balancer Shaft Rear Bearing
27Engine Block Coolant Hole Plug
28Engine Block Oil Gallery Plug
29Engine Block Oil Gallery Plug
30Engine Block Oil Gallery Plug
31Transmission Locating Pin
32Engine Block Oil Gallery Plug
33Oil Filter Bypass Valve
34Engine Oil Cooler Adapter Gasket
35Engine Oil Cooler Adapter Seal
36Engine Oil Cooler Adapter
37Engine Oil Cooler Adapter Bolt
38Oil Filter
39Oil Pressure Relief Valve Spring Seat Pin
40Block Heater
41Knock Sensor Bolt
42Knock Sensor
43Engine Block Coolant Hole Plug
44Cylinder Head Location Pin
45Engine Block Oil Gallery Plug
46Engine Lift Front Bracket
47Engine Lift Front Bracket Bolt
48Engine Lift Front Bracket Bolt
49Camshaft Bearing
50Camshaft Thrust Bearing Bolt
51Camshaft Thrust Plate
52Camshaft
53Engine Block Oil Gallery Plug
54Timing Chain Tensioner Bracket
55Timing Chain Tensioner Shoe
56Timing Chain Tensioner Bolt
57Camshaft Sprocket Bolt
58Timing Chain
59Camshaft Sprocket
60Balancer Shaft Drive Gear
61Camshaft Sprocket Location Pin
62Water Pump Bolt
63Water Pump Pulley
64Water Pump Pulley Bolt

Scheme 12

Scheme 12
CalloutComponent Name
1Crankshaft Balancer Bolt
2Crankshaft Balancer Washer
3Drive Belt Pulley
4Crankshaft Balancer
5Crankshaft Front Oil Seal
6Camshaft Sensor Bolt
7Camshaft Position Sensor Assembly
8Camshaft Sensor Seal
9Engine Front Cover Bolt
10Engine Front Cover
11Crankshaft Sprocket
12Crankshaft
13Crankshaft Balancer Key
14Crankshaft Lower Bearing
15Crankshaft Upper Bearing
16Crankshaft Rear Oil Seal Housing Gasket
17Crankshaft Rear Oil Seal Retainer Stud
18Crankshaft Rear Oil Seal Housing
19Crankshaft Rear Oil Seal Housing Bolt
20Crankshaft Rear Oil Seal
21Flywheel
22Flywheel Bolt
23Crankshaft Rear Oil Seal Housing Bolt
24Crankshaft Rear Oil Seal Housing Bolt
25Crankshaft Rear Oil Seal Housing Stud
26Oil Pan Nut
27Crankshaft Rear Oil Seal Housing Locating Pin
28Crankshaft Upper Bearing
29Crankshaft Bearing Cap
30Oil Pump Location Pin
31Oil Pump Drive Shaft
32Oil Pump Drive Clamp Bolt
33Oil Pump Bolt
34Oil Pan Gasket
35Oil Pan Baffle Bolt
36Oil Pan Baffle
37Oil Pan
38Oil Pan Drain Plug
39Oil Pan Drain Plug Seal
40Oil Pan Bolt
41Oil Pump Screen
42Oil Pump
43Crankshaft Bearing Cap Bolt
44Crankshaft Bearing Cap
45Crankshaft Lower Bearing
46Crankshaft Position Sensor Reluctor Ring
47Crankshaft Position Sensor Seal
48Crankshaft Position Sensor
49Crankshaft Position Sensor Bolt
50Crankshaft Balancer Weight
51Drive Belt Pulley Bolt