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Home >> Chevrolet >> 2021 >> Express 2500 LS, 6.6L Eng VIN 7 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.6L (L8T) - Specifications >> Specifications >> Fastener Specifications
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Fastener Specifications

Single Use Non-Threaded Fasteners/Components

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 

Application
Camshaft Position Actuator Magnet Gasket
Fuel Feed Intermediate Pipe
Fuel Injector Seal
Fuel Pressure Sensor O-Ring Seal
Fuel Injector Dust Seal
Fuel Injector Retainer
Fuel Pump Bracket Gasket
Fuel Tank Fuel Pump Module O-Ring
Throttle Body Gasket
Single Use Threaded Fastener/Component Tightening Specifications

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 

Application Specification
Metric (English)
Fuel Feed Intermediate Pipe 28 N.m (21 lb ft)
Reusable Threaded Fastener Tightening Specifications

NOTE:

All fasteners listed in this table can be reused after removal. 

Application Specification
Metric (English)
Accelerator Pedal Lever Support Bolt 33 N.m (24 lb ft)
Air Cleaner Housing Cover Bolt 3.1 N.m (27 lb in)
Air Cleaner Bolt 9 N.m (80 lb in)
Air Cleaner Outlet Duct Clamp 3.5 N.m (31 lb in)
Camshaft Position Actuator Magnet Bolt 10 N.m (89 lb in)
Camshaft Position Sensor Bracket Bolt 10 N.m (89 lb in)
Crankshaft Position Sensor Bolt 25 N.m (18 lb ft)
Engine Control Module Bracket Bolt 22 N.m (16 lb ft)
Engine Coolant Temperature Sensor 20 N.m (15 lb ft)
Engine Oil Pressure and Temperature Sensor 35 N.m (26 lb ft)
Engine Oil Pressure Sensor 35 N.m (26 lb ft)
Evaporative Emission Canister Nut 8.5 N.m (75 lb in)
Evaporative Emission Canister Purge Solenoid Valve Bolt 10 N.m (89 lb in)
Fuel Feed Intermediate Pipe Bolt 10 N.m (89 lb in)
Fuel Feed and Evaporative Emission Front Pipe Bolt 10 N.m (89 lb in)
Fuel Feed and Evaporative Emission Front Pipe Nut 25 N.m (18 lb ft)
Fuel Feed and Evaporative Emission Front Pipe Retainer Bolt 8.5 N.m (75 lb in)
Fuel Feed and Return Pipe Clip Bolt 8.5 N.m (75 lb in)
Fuel Feed Pipe Bolt 10 N.m (89 lb in)
Fuel Injection Fuel Rail Bolt 25 N.m (18 lb ft)
Fuel Injection Fuel Rail Fuel Pressure Sensor 33 N.m (24 lb ft)
Fuel Pressure Sensor 15 N.m (11 lb ft)
Fuel Pump Bolt 25 N.m (18 lb ft)
Fuel Pump Power Control Module Nut 9 N.m (80 lb in)
Fuel Tank Bolt 52 N.m (38 lb ft)
Fuel Tank Filler Hose Clamp 3.2 N.m (28 lb in)
Fuel Tank Filler Pipe Housing Bolt 5 N.m (44 lb in)
Fuel Tank Filler Pipe Ground Bolt 9 N.m (80 lb in)
Fuel Tank Strap Bolt 30 N.m (22 lb ft)
Gas Engine Ignition Spark Plug 20 N.m (177 lb in)
Heated Oxygen Sensor 42 N.m (31 lb ft)
Ignition Coil Bolt 10 N.m (89 lb in)
Knock Sensor Bolt 25 N.m (18 lb ft)
Knock Sensor Shield Bolt 22 N.m (16 lb ft)
Manifold Absolute Pressure Sensor Bolt 4.5 N.m (40 lb in)
Mass Airflow Sensor Bolt 1.5 N.m (13 lb in)
Throttle Body Bolt 10 N.m (89 lb in)