Fastener Tightening Specifications. Chevrolet Impala 2001

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Fastener Tightening Specifications

Fastener Tightening Specifications C, H, W

Fastener Tightening Specifications (C, H, W)

Application	Specifications
Application	Metric	English
Accelerator Control Cable Bracket Bolt/Nut	16 N·m	12 lb ft
Air Injection Check Valve Pipe to Exhaust Manifold Bolt (with NC8 California Emissions)	10 N·m	89 lb in
Air Injection Check Valve to Bracket Bolt (with NC8 California Emissions)	25 N·m	18 lb ft
Air Injection Pipe to Throttle Body Nut	10 N·m	89 lb in
Balance Shaft Driven Gear Bolt
First Pass	22 N·m	16 lb ft
Final Pass	70 degrees
Balance Shaft Retainer Bolt	30 N·m	22 lb ft
Camshaft Position Sensor Bolt	10 N·m	89 lb in
Camshaft Sprocket Bolt
First Pass	100 N·m	74 lb ft
Final Pass	90 degrees
Camshaft Thrust Plate Bolt	15 N·m	11 lb ft
Canister Purge Solenoid Valve Bracket Bolt (L36)	50 N·m	37 lb ft
Canister Purge Vacuum Switch Bolt (L36)	50 N·m	37 lb ft
Connecting Rod Bearing Cap Bolts
First Pass	27 N·m	20 lb ft
Final Pass	50 degrees
Coolant Drain Plug (Block)	18 N·m	13 lb ft
Crankshaft Balancer Bolt
First Pass	150 N·m	111 lb ft
Final Pass	76 degrees
Crankshaft Main Bearing Cap Bolt
First Pass	40 N·m	30 lb ft
Final Pass	110 degrees
Crankshaft Main Bearing Cap Bolt (Side)
First Pass	15 N·m	11 lb ft
Final Pass	45 degrees
Crankshaft Position Sensor Stud	30 N·m	22 lb ft
Crankshaft Rear Oil Seal Housing Bolt
First Pass	15 N·m	11 lb ft
Final Pass	50 degrees
Cylinder Head Bolt
First Pass	50 N·m	37 lb ft
Final Pass	120 degrees
Drive Belt Tensioner Bolt/Nut	50 N·m	37 lb ft
Drive Belt Tensioner Bracket Stud	17 N·m	12 lb ft
EGR Valve Adapter to Cylinder Head Bolt/Stud	50 N·m	37 lb ft
EGR Valve Inlet Pipe to Exhaust Manifold Bolt	29 N·m	21 lb ft
EGR Valve Nut	29 N·m	21 lb ft
EGR Valve Outlet Pipe Bolt/Nut	29 N·m	21 lb ft
EGR Valve Wiring Harness Heat Shield Bolt/Nut	10 N·m	89 lb in
Engine Coolant Temperature Sensor	25 N·m	18 lb ft
Engine Flywheel Bolt
First Pass	15 N·m	11 lb ft
Final Pass	50 degrees
Engine Front Cover Bolt/Stud
First Pass	20 N·m	15 lb ft
Final Pass	40 degrees
Engine Lift Bracket Bolt/Nut/Stud	30 N·m	22 lb ft
Engine Wiring Harness Heat Shield Bolt/Nut	10 N·m	89 lb in
Exhaust Manifold Bolt/Nut	30 N·m	22 lb ft
Exhaust Manifold Heat Shield Nut	20 N·m	15 lb ft
Exhaust Manifold Stud	10 N·m	89 lb in
Fuel Injector Rail Assembly Nut	10 N·m	89 lb in
Fuel Injector Rail Stud	25 N·m	18 lb ft
Fuel Injector Sight Shield Bracket Nut	30 N·m	22 lb ft
Generator Brace Bracket Bolt	50 N·m	37 lb ft
Generator Bracket Bolt	50 N·m	37 lb ft
Heated Oxygen Sensor	42 N·m	31 lb ft
Heated Inlet Pipe Nut	25 N·m	18 lb ft
Ignition Control Module Bracket Stud (L36)	17 N·m	12 lb ft
Ignition Control Module Assembly Bracket Bolt	30 N·m	22 lb ft
Ignition Control Module Assembly Bracket Nut	50 N·m	37 lb ft
Ignition Control Module Assembly Nut	8 N·m	71 lb in
Lower Intake Manifold Bolt	15 N·m	11 lb ft
MAP Sensor Bolt	3 N·m	22 lb in
MAP Sensor Bracket Bolt	30 N·m	22 lb ft
Oil Cooler Adapter Connector	50 N·m	37 lb ft
Oil Filter	30 N·m	22 lb ft
Oil Filter Adapter Bolt - First Pass	15 N·m	11 lb ft
Oil Filter Adapter Bolt - Final Pass	50 degrees
Oil Gallery Plug	30 N·m	22 lb ft
Oil Level Indicator Tube Stud/Nut	19 N·m	14 lb ft
Oil Level Sensor Bolt	20 N·m	15 lb ft
Oil Pan Bolt	14 N·m	125 lb in
Oil Pan Drain Plug	30 N·m	22 lb ft
Oil Pressure Sensor	16 N·m	12 lb ft
Oil Pump Cover Screw	11 N·m	98 lb in
Oil Pump Pipe and Screen Bolt	15 N·m	11 lb ft
Spark Plug (Initial Installation)	27 N·m	20 lb ft
Spark Plug (Reinstallation)	15 N·m	11 lb ft
Starter Motor Heat Shield Bolt	30 N·m	22 lb ft
Supercharger Bolt/Stud	23 N·m	17 lb ft
Supercharger Bypass Valve and Fuel Pressure Regulator Valve Harness Bolt	10 N·m	89 lb in
Supercharger Bypass Valve Nut	8 N·m	71 lb in
Throttle Body Bolt/Nut	10 N·m	89 lb in
Throttle Body Support Bolt	16 N·m	12 lb ft
Timing Chain Dampener Bolt	22 N·m	16 lb ft
Upper Intake Manifold Bolt (L36)	10 N·m	89 lb in
Vacuum Solenoid Valve Bolt (with NC8 California Emissions)	10 N·m	89 lb in
Valve Lifter Guide Retainer Bolt	30 N·m	22 lb ft
Valve Rocker Arm Bolt
First Pass	15 N·m	11 lb ft
Final Pass	90 degrees
Valve Rocker Arm Cover Bolt	10 N·m	89 lb in
Water Outlet Housing Bolt	27 N·m	20 lb ft
Water Pump Bolt
Large Bolt	34 N·m	25 lb ft
Small Bolt	22 N·m	16 lb ft
Water Pump Pulley Bolt	13 N·m	116 lb in

Fastener Tightening Specifications F

Fastener Tightening Specifications (F)

Application	Specifications
Application	Metric	English
Balance Shaft Driven Gear Bolt
First Pass	22 N·m	16 lb ft
Final Pass	70 degrees
Balance Shaft Retainer Bolt	30 N·m	22 lb ft
Camshaft Position Sensor Bolt	10 N·m	89 lb in
Camshaft Sprocket Bolt
First Pass	100 N·m	74 lb ft
Final Pass	90 degrees
Camshaft Thrust Plate Bolt	15 N·m	11 lb ft
Connecting Rod Bearing Cap Bolts
First Pass	27 N·m	20 lb ft
Final Pass	50 degrees
Coolant Drain Plug (Block)	18 N·m	13 lb ft
Crankshaft Balancer Bolt
First Pass	150 N·m	111 lb ft
Final Pass	114 degrees
Crankshaft Main Bearing Cap Bolt
First Pass	40 N·m	30 lb ft
Final Pass	110 degrees
Crankshaft Main Bearing Cap Bolt (Side)
First Pass	15 N·m	11 lb ft
Final Pass	45 degrees
Crankshaft Position Sensor Stud	30 N·m	22 lb ft
Crankshaft Rear Oil Seal Housing Bolt
First Pass	15 N·m	11 lb ft
Final Pass	50 degrees
Cylinder Head Bolt
First Pass	50 N·m	37 lb ft
Final Pass	120 degrees
Drive Belt Tensioner Bolt/Nut	50 N·m	37 lb ft
Drive Belt Tensioner Bracket Stud	6 N·m	53 lb in
EGR Valve Adapter Bolt	25 N·m	18 lb ft
EGR Valve Adapter Nut	50 N·m	37 lb ft
EGR Valve Adapter Stud	6 N·m	53 lb in
EGR Valve Inlet Pipe Bolt	29 N·m	21 lb ft
EGR Valve Nut	29 N·m	21 lb ft
EGR Valve Outlet Pipe Bolt/Nut	29 N·m	21 lb ft
Engine Coolant Temperature Sensor	25 N·m	18 lb ft
Engine Flywheel Bolt
First Pass	15 N·m	11 lb ft
Final Pass	50 degrees
Engine Front Cover Bolt/Stud
First Pass	20 N·m	15 lb ft
Final Pass	40 degrees
Engine Lift Bracket Bolt (Front)	25 N·m	18 lb ft
Engine Lift Bracket Bolt/Stud (Rear)	30 N·m	22 lb ft
Engine Oil Gallery Plug	30 N·m	22 lb ft
Engine Oil Pressure Sensor	16 N·m	12 lb ft
Engine Wiring Harness Bracket Stud	50 N·m	37 lb ft
Exhaust Manifold Bolt/Nut	23 N·m	17 lb ft
Exhaust Manifold Heat Shield Bolt	10 N·m	89 lb in
Exhaust Manifold Heat Shield Nut	23 N·m	17 lb ft
Exhaust Manifold Pipe Stud	6 N·m	53 lb in
Exhaust Manifold Stud	10 N·m	89 lb in
Fuel Injector Rail Assembly Nut	9 N·m	80 lb in
Fuel Injector Rail Stud	25 N·m	18 lb ft
Generator Bracket Bolt	50 N·m	37 lb ft
Heated Oxygen Sensor	42 N·m	31 lb ft
Ignition Control Module Assembly Nut	30 N·m	22 lb ft
Ignition Control Module Bracket Bolt	50 N·m	37 lb ft
Lower Intake Manifold Bolt	15 N·m	11 lb ft
Oil Cooler Adapter Connector	50 N·m	37 lb ft
Oil Filter	30 N·m	22 lb ft
Oil Filter Adapter Bolt	30 N·m	22 lb ft
Oil Level Indicator Tube Nut	19 N·m	14 lb ft
Oil Level Sensor Bolt	20 N·m	15 lb ft
Oil Pan Bolt	14 N·m	125 lb in
Oil Pan Drain Plug	30 N·m	22 lb ft
Oil Pump Cover Screw	11 N·m	98 lb in
Oil Pump, Pipe and Screen Bolt	15 N·m	11 lb ft
Spark Plug (Initial Installation)	27 N·m	20 lb ft
Spark Plug (Re-Installation)	15 N·m	11 lb ft
Spark Plug Wire Retainer Bracket Bolt	30 N·m	22 lb ft
Starter Motor Heat Shield Bolt	30 N·m	22 lb ft
Throttle Body Bolt/Nut	10 N·m	89 lb in
Timing Chain Dampener Bolt	22 N·m	16 lb ft
Upper Intake Manifold Bolt
Vertical	15 N·m	11 lb ft
Side	30 N·m	22 lb ft
Vacuum Source Manifold Bolt	10 N·m	89 lb in
Valve Lifter Guide Retainer Bolt	30 N·m	22 lb ft
Valve Rocker Arm Bolt
First Pass	15 N·m	11 lb ft
Final Pass	90 degrees
Valve Rocker Arm Cover Bolt	10 N·m	89 lb in
Water Outlet Housing Bolt	27 N·m	20 lb ft
Water Pump Bolt
Large Bolt	34 N·m	25 lb ft
Small Bolt	22 N·m	16 lb ft
Water Pump Pulley Bolt	13 N·m	116 lb in

Application	Specifications
Application	Metric	English
A/C Compressor Bracket Bolt	50 N·m	37 lb ft
A/C Compressor Nut	30 N·m	22 lb ft
Balance Shaft Gear Bolt	22 N·m + 70°	16 lb ft + 70°
Camshaft Position Sensor Bolt	10 N·m	89 lb in
Camshaft Sprocket Bolt	100 N·m + 90°	74 lb ft + 90°
Camshaft Thrust Plate Bolt	15 N·m	11 lb ft
Connecting Rod Bearing Cap Nut	27 N·m + 50°	20 lb ft + 50°
Crankshaft Balancer Bolt	150 N·m + 76°	111 lb ft + 76°
Crankshaft Position Sensor Stud	30 N·m	22 lb ft
Crankshaft Rear Oil Seal Housing Bolt	15 N·m + 50°	11 lb ft + 50°
Cylinder Head Bolt	50 N·m + 120°	37 lb ft + 120°
Cylinder Head Bolt (Center)	50 N·m + 120°	37 lb ft + 120°
Drive Belt Tensioner Bolt	50 N·m	37 lb ft
EGR Valve Adapter Bolt	50 N·m	37 lb ft
EGR Valve Nut	29 N·m	21 lb ft
EGR Valve Outlet Pipe Bolt/Nut	29 N·m	21 lb ft
EGR Valve Wiring Harness Heat Shield Bolt/Nut	10 N·m	89 lb in
Engine Block Coolant Drain Plug (Knock Sensors)	18 N·m	13 lb ft
Engine Coolant Temperature Sensor	25 N·m	18 lb ft
Engine Flywheel Bolt	15 N·m + 50°	11 lb ft + 50°
Engine Front Cover Bolt/Stud	20 N·m + 40°	15 lb ft + 40°
Engine Ground Nut	35 N·m	26 lb ft
Engine Lift Bracket Bolt/Nut/Stud	30 N·m	22 lb ft
Engine Mount Bracket Bolt	102 N·m	75 lb ft
Engine Mount Nut (Lower)	78 N·m	58 lb ft
Engine Mount Nut (Upper)	78 N·m	58 lb ft
Engine Mount Strut Bolt	48 N·m	35 lb ft
Engine Mount Strut Bracket Bolt	50 N·m	37 lb ft
Engine Mount Strut Bracket Bolt (Upper Radiator Support)	28 N·m	21 lb ft
Engine Mount Strut Bracket nut (Lower)	30 N·m	22 lb ft
Engine Mount Strut Nut	48 N·m	35 lb ft
Engine Oil Pressure Sensor	16 N·m	12 lb ft
Engine to Transaxle Bolt	75 N·m	55 lb ft
Engine Wiring Harness Bolt	10 N·m	89 lb in
Fuel Injector Sight Shield Bracket Nut	30 N·m	22 lb ft
Generator Brace Bracket Bolt	50 N·m	37 lb ft
Lower Intake Manifold Bolt	15 N·m	11 lb ft
Oil Filter Adapter Bolt	15 N·m + 50°	11 lb ft + 50°
Oil Level Sensor	20 N·m	15 lb ft
Oil Level Indicator Tube Nut	19 N·m	14 lb ft
Oil Pan Bolt	14 N·m	10 lb ft
Oil Pan Drain Plug	30 N·m	22 lb ft
Oil Pump Cover Screw	11 N·m	98 lb in
Oil Pump, Pipe and Screen Bolt	15 N·m	11 lb ft
Positive Battery Terminal Nut	15 N·m	11 lb ft
Power Steering Bolt	34 N·m	25 lb ft
Throttle Body Support Bolt	10 N·m	89 lb in
Timing Chain Dampener Bolt	22 N·m	16 lb ft
Upper Intake Manifold Bolt	10 N·m	89 lb in
Valve Lifter Guide Bolt	30 N·m	22 lb ft
Valve Rocker Arm Bolt	15 N·m + 90°	11 lb ft + 90°
Valve Rocker Arm Cover Bolt	10 N·m	89 lb in
Water Outlet Housing Bolt	27 N·m	20 lb ft
Water Pump Bolt	15 N·m + 80°	11 lb ft + 80°
Water Pump Pulley Bolt	13 N·m	116 lb in