Torque Specifications: 4.3L
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS (4.3L)
| Application | Ft. Lbs. (N.m) | |||
|---|---|---|---|---|
| Battery Cable-To-Battery Bolt | 13 (17) | |||
| Distributor Hold-down Bolt | 18 (25) | |||
| Engine Coolant Temperature Sensor | 15 (20) | |||
| Engine Wiring Harness Bracket Stud | 18 (25) | |||
| Engine Wiring Harness Ground Wire Nut | 12 (16) | |||
| EVAP Canister Bracket-To-Crossmember Mounting Bolt | 18 (25) | |||
| Fuel Line Fittings | 21 (28) | |||
| Fuel Tank Shield-To-Frame Bolts | 13 (18) | |||
| Fuel Tank Strap Retaining Bolts | 30 (40) | |||
| Knock Sensor Retaining Bolt | 18 (25) | |||
| Oxygen Sensors | 31 (42) | |||
| Spark Plugs | (1) | |||
| Steering Linkage Shield Bolts | 15 (20) | |||
| INCH Lbs. (N.m) | ||||
| Accelerator Control Cable Bracket-To-Throttle Body & Intake Manifold Studs/Nuts | 106 (12.0) | |||
| Accelerator Control Cable Routing Bracket-To-Throttle Body Retaining Nuts | 80 (9.0) | |||
| Air Cleaner Outlet Duct Adapter Stud | 89 (10.0) | |||
| Air Cleaner Resonator Outlet Duct Clamp-To-MAF/IAT Sensor Clamp | 35 (4.0) | |||
| Camshaft Position Sensor Retaining Screws | 19 (2.2) | |||
| Crankshaft Position Sensor Retaining Bolt | 80 (9.0) | |||
| Distributor Cap Screws | 21 (2.4) | |||
| Distributor Rotor Screws | 18 (2.0) | |||
| Engine Wiring Harness Bracket-To-Intake Manifold Stud Retaining Nuts | 106 (12.0) | |||
| Engine Wiring Harness Clip Bolt | 80 (9.0) | |||
| Engine Wiring Harness Rear Bracket Nut | 80 (9.0) | |||
| EVAP Canister Purge Solenoid Retaining Nuts | 106 (12.0) | |||
| EVAP Canister Vent Valve Bracket Mounting Bolt | 106 (12.0) | |||
| Fuel Feed/Return Pipe | ||||
| Bolt | 53 (6.0) | |||
| Nuts | 27 (3.0) | |||
| Fuel Filler Housing To Body Screws | 20 (2.3) | |||
| Fuel Filler Pipe Ground Strap Retaining Bolt | 80 (9.0) | |||
| Fuel Filler Pipe Housing-To-Truck Bed Bolts (Sierra & Silverado) | 20 (2.3) | |||
| Fuel Filler Pipe Housing-To-Filler Pipe Screws (Pickup) | 20 (2.3) | |||
| Fuel Fill & Vent Pipe Hose Clamps | 22 (2.5) | |||
| Fuel Line-To-Intake Manifold Bracket Retaining Bolt | 53 (6.0) | |||
| Idle Air Control Valve Mounting Screws | 27 (3.0) | |||
| Ignition Coil Bracket-To-Intake Manifold Studs | 97 (11.0) | |||
| Ignition Coil/Control Module-To-Bracket Retaining Screws | 31 (3.5) | |||
| Injector Retainer Lock Nuts (4.3L) | 27 (3.0) | |||
| PCM Harness Connector Fasteners | 71 (8.0) | |||
| Throttle Body-To-Intake Manifold Studs/Nuts | 80 (9.0 | |||
| Throttle Position Sensor Mounting Screws | 18 (2.0) | |||
| Upper Intake Manifold Retaining Studs | 80 (9.0) | |||
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