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Torque Specifications

TORQUE SPECIFICATIONS

Application Ft. Lbs (N.m)
Balance Shaft Driven Gear Bolt
First Tightening Pass 15 (20)
Final Tightening Pass 35 Degrees
Battery Negative Cable-To-Engine Bolt 13 (17)
Camshaft Sprocket Bolt 18 (25)
Crankshaft Balancer Bolt 70 (95)
Crankshaft Balancer Remover/Installer Bolt 18 (25)
Crankshaft Pulley Bolt 43 (58)
Cylinder Head Bolt
First Tightening Pass (1) 22 (30)
Final Tightening Pass (Long Bolt) 75 Degrees
Final Tightening Pass (Medium Bolt) 65 Degrees
Final Tightening Pass (Short Bolt) 55 Degrees
Drive Belt Idler Pulley Bolt 37 (50)
Drive Belt Tensioner Bolt 37 (50)
EGR Valve Inlet Pipe Clamp Bolt 18 (25)
EGR Valve Inlet Pipe-At-Exhaust Manifold Nut 22 (30)
EGR Valve Inlet Pipe-At-Intake Manifold Nut 18 (25)
Engine Coolant Temperature Sensor 15 (20)
Engine Coolant Temperature Gage Sensor 15 (20)
Engine Flywheel Bolt (2) 74 (100)
Engine Lift Bracket Bolt 11 (15)
Engine Mount Bolt (Through-Bolt) 55 (74)
Engine Mount-To-Engine Bolt 41 (51)
Engine Mount Bracket-To-Frame Bolt 33 (45)
Engine Mount Nut (Through-Bolt) 46 (63)
Engine Wiring Harness Bracket-To-Generator & Drive Belt Tensioner Bracket Bolt 18 (25)
Engine Wiring Harness Bracket-To-Rear Of Cylinder Head Bolt 26 (35)
Fuel Pipe Bracket-To-Rear Of Cylinder Head Bolt 22 (30)
Generator & Drive Belt Tensioner Bracket-To-Engine Stud 15 (20)
Ground Wire Or Strap-To-Rear Of Cylinder Head Bolt 26 (35)
Oil Pan Bolt & Nut (3) 18 (25)
Oil Pan Drain Plug 18 (25)
Oil Pump-To-Rear Crankshaft Bearing Cap Bolt 66 (90)
Power Steering Pump Bracket-To-Engine Bolt 30 (41)
Power Steering Pump Bracket Stud Nut 30 (41)
Power Steering Pump Bracket-To-Engine Stud 15 (20)
Power Steering Pump-To-Engine Nut 30 (41)
Power Steering Pump Rear Bracket-To-Engine Stud Nut 30 (41)
Remote Oil Filter Adapter Mounting Bracket Bolt 22 (30)
Remote Oil Filter Adapter Nut 18 (25)
Remote Oil Filter Inlet & Outlet Hose-To-Remote Oil Filter Adapter Bolt 26 (35)
Remote Oil Filter Inlet & Outlet Hose-To-Remote Oil Filter Pipe Adapter Bolt 26 (35)
Secondary Air Injection Reactor Pipe Bracket Nut 37 (41)
Transmission-To-Oil Pan Bolt 35 (47)
Valve Lifter Pushrod Guide Bolt 12 (16)
Valve Rocker Arm Bolt 22 (30)
INCH Lbs. (N.m) 
Accelerator Control Cable & Cruise Control Cable Bracket Nut 80 (9)
Accelerator Control Cable Bracket Nut 106 (12)
Accelerator Control Cable Bracket-To-Throttle Body Stud 106 (12)
Air Cleaner Outlet Duct Hose Clamp 32 (4)
Air Cleaner Outlet Duct Wingnut 18 (2)
Balance Shaft Retainer Bolt 106 (12)
Camshaft Retainer Bolt 106 (12)
Crankshaft Rear Oil Seal Housing Bolt & Nut 106 (12)
Engine Front Cover Bolt 106 (12)
Engine Oil Cooler Pipe Clip-To-Oil Pan Bolt 80 (9)
Engine Oil Level Sensor 115 (13)
Engine Wiring Harness Bracket-To-Intake Manifold Nut 106 (12)
Lower Intake Manifold Bolt (4)
First Tightening Pass 27 (3)
Second Tightening Pass 106 (12)
Final Tightening Pass 134 (15)
Oil Level Indicator Tube Bolt 106 (12)
Remote Oil Filter Inlet & Outlet Hose Clip Bolt 89 (10)
Spark Plug Wire Support Bolt 106 (12)
Starter Motor Wiring Harness/Transmission Cooler Pipe Bracket-To-Oil Pan Bolt 80 (9)
Transmission Cover Bolt 106 (12)
Upper Intake Manifold Stud
First Tightening Pass 44 (5)
Final Tightening Pass 80 (9)
(1) Tighten bolts following sequence as shown. See Fig 1.
(2) Tighten bolts following sequence as shown. See Fig 2.
(3) Tighten bolts following sequence as shown. See Fig 3.
(4) Tighten bolts following sequence as shown. See Fig 4.
Fig 1: Identifying Cylinder Head Bolt Tightening Sequence (4.3L)
G95B27053Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Flywheel Bolt Tightening Sequence
G00247160Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Oil Pan Bolts Tightening Sequence (4.3L)
G97A03616Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Lower Intake Manifold Bolt Tightening Sequence
G00178762Courtesy of GENERAL MOTORS CORP.