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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Specifications >> Fastener Tightening Specifications

Fastener Tightening Specifications

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TORQUE SPECIFICATIONS

Application Ft. Lbs (N.m)
A/C Belt Tensioner Bolt 37 (50)
Automatic Transmission Bolt/Stud 37 (50)
Automatic Transmission Oil Level Indicator Tube Nut 13 (18)
Camshaft Retainer Bolts 18 (25)
Camshaft Sensor Bolt 18 (25)
Camshaft Sprocket Bolts 26 (35)
Connecting Rod Bolts
First Tightening Pass 15 (20)
Final Tightening Pass 75 Degrees
Coolant Temperature Gage Sensor 15 (20)
Crankshaft Balancer Bolt
Installation Tightening Pass (To Ensure Balancer Is Completely Installed) 240 (330)
First Tightening Pass (Install NEW Bolt After Installation Pass & Tighten As Described In First & Final Passes) 37 (50)
Final Tightening Pass 140 Degrees
Crankshaft Bearing Cap Bolts (1)
First Tightening Pass 15 (20)
Final Tightening Pass (Inner Bolts) 80 Degrees
Final Tightening Pass (Outer Bolts) 51 Degrees
Crankshaft Bearing Cap Side Bolts 18 (25)
Crankshaft Oil Deflector Nuts 18 (25)
Crankshaft Position Sensor Bolt 18 (25)
Crossbar Bolts 74 (100)
Cylinder Head Bolts (2)
First Tightening Pass (All M11 Bolts) 22 (30)
Second Tightening Pass (All M11 Bolts) 90 Degrees
Final Tightening Pass (All M11 Bolts - Excluding Medium Length Bolts At Front & Rear Of Each Cylinder Head) 90 Degrees
Final Tightening Pass (M11 Medium Length Bolts At Front & Rear Of Each Cylinder Head) 50 Degrees
M8 Inner Bolts 22 (30)
Cylinder Head Coolant Plug 15 (20)
Drive Belt Idler Pulley Bolt 37 (50)
Engine Block Coolant Drain Plugs 44 (60)
Engine Block Heater 30 (40)
Engine Block Oil Gallery Plugs 44 (60)
Engine Block Wire Harness Rear Ground Bolt 12 (16)
Engine Flywheel Bolts (3)
First Tightening Pass 15 (20)
Second Tightening Pass 37 (50)
Final Tightening Pass 74 (100)
Engine Front Cover Bolts 18 (25)
Engine Lift Bracket Bolt
M8 18 (25)
M10 37 (50)
Engine Mount to Engine Bolts 37 (50)
Engine Mount to Frame Bracket Bolts 44 (60)
Engine Rear Cover Bolts 18 (25)
Engine Service Lift Bracket
M10 Bolts 37 (50)
M8 Bolts 18 (25)
Engine Valley Cover Bolts 18 (25)
EGR Valve Pipe-To-Cylinder Head Bolts 37 (50)
EGR Valve Pipe-To-Exhaust Manifold Bolts 22 (30)
Exhaust Manifold Bolts
First Tightening Pass 11 (15)
Final Tightening Pass 18 (25)
Fuel Rail Stop Bracket Bolt 37 (50)
Generator Bolt 37 (50)
Generator Bracket Bolts 37 (50)
Ground Harness Bolt 18 (25)
Knock Sensors 18 (25)
Oil Filter 22 (30)
Oil Filter Fitting 40 (55)
Oil Level Indicator Tube Bolt 18 (25)
Oil Pan Drain Plug 18 (25)
Oil Pan M8 Bolts (Oil Pan-To-Engine Block & Oil Pan-To-Front Cover) 18 (25)
Oil Pressure Sensor 15 (20)
Oil Pump-To-Engine Block Bolts 18 (25)
Oil Pump Screen Nuts 18 (25)
Power Steering Pump Rear Bolt 37 (50)
Spark Plugs
New Cylinder Heads 15 (20)
All Subsequent Installations 11 (15)
Torque Converter Bolts 47 (63)
Valve Rocker Arm Bolts 22 (30)
Water Inlet Housing Bolts 11 (15)
Water Pump Bolts
First Tightening Pass 11 (15)
Final Tightening Pass 22 (30)
Water Pump Cover Bolts 11 (15)
INCH Lbs. (N.m) 
Accelerator Control Cable Bracket Bolts 89 (10)
Air Cleaner Outlet Duct Clamp Screws 62 (7)
Battery Cable Channel Bolt 106 (12)
Engine Coolant Air Bleed Pipe & Cover Bolts 106 (12)
Evaporative Emission Purge Solenoid Bolt 89 (10)
Exhaust Gas Recirculation Valve Bolts
First Tightening Pass 89 (10)
Final Tightening Pass 22 FOOT (30)
EGR Valve Pipe-To-Intake Manifold Bolt 89 (10)
Exhaust Manifold Heat Shield Bolts 80 (9)
Fuel Rail Bolts 89 (10)
Fuel Rail Crossover Tube Bolts 34 (3.8)
Generator Output Terminal Nut 80 (9)
Ignition Coil-To-Bracket Bolts 71 (8)
Ignition Coil Bracket-To-Valve Rocker Arm Cover Bolts 106 (12)
Intake Manifold Bolts (4)
First Tightening Pass 44 (5)
Final Tightening Pass 89 (10)
Intake Manifold Wiring Harness Stud 89 (10)
Oil Level Sensor 115 (13)
Oil Pan Baffle Bolts 106 (12)
Oil Pan Closeout Cover Bolt (Left & Right Side) 80 (9)
Oil Pan Cover Bolts 106 (12)
Oil Pan M6 Bolts (Oil Pan-to-Rear Cover) 106 (12)
Oil Pump Cover Bolts 106 (12)
Oil Pump Relief Valve Plug 106 (12)
Oil Pump Screen-To-Oil Pump Bolt 106 (12)
Positive Battery Cable Clip Bolt 80 (9)
Throttle Body Nuts 89 (10)
Throttle Body Studs 53 (6)
Transmission Cover Bolt 106 (12)
Valve Lifter Guide Bolts 106 (12)
Valve Rocker Arm Cover Bolts 106 (12)
(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 Main Bearing Cap Bolt & Stud Tightening Sequence
G99G08513Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Cylinder Head Bolt Tightening Sequence
G99A04545Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Flywheel Bolt Tightening Sequence
G99C04551Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Intake Manifold Bolt Tightening Sequence
G99F04543Courtesy of GENERAL MOTORS CORP.