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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 421 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (On-Vehicle)) >> Specifications >> Fastener Tightening Specifications

Fastener Tightening Specifications

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Fastener Tightening Specifications

Application Specification
Metric English
Accelerator Control Cable Bracket Bolt 10 N.m 89 lb in
Accessory Drive Belt Tensioner Bolt 50 N.m 37 lb ft
Air Conditioning (A/C) Belt Tensioner Bolt 50 N.m 37 lb ft
Automatic Transmission Oil Level Indicator Tube Nut 18 N.m 13 lb ft
Battery Cable Channel Bolt 12 N.m 106 lb in
Camshaft Retainer Bolt 25 N.m 18 lb ft
Camshaft Sensor Bolt 25 N.m 18 lb ft
Camshaft Sprocket Bolt 35 N.m 26 lb ft
Clutch Pressure Plate Bolt 70 N.m 52 lb ft
Crankshaft Balancer Bolt
  • Installation Pass-to Ensure the Balancer is Completely Installed
330 N.m 240 lb ft
  • First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes
50 N.m 37 lb ft
  • Final Pass
140 degrees
Crankshaft Oil Deflector Nut 25 N.m 18 lb ft
Crossbar Bolt 100 N.m 74 lb ft
Cylinder Head Bolt
  • First Pass all M11 Bolts in Sequence
30 N.m 22 lb ft
  • Second Pass all M11 Bolts in Sequence
90 degrees
  • Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head
90 degrees
  • Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence
50 degrees
  • M8 Inner Bolts in Sequence
30 N.m 22 lb ft
Drive Belt Idler Pulley Bolt 50 N.m 37 lb ft
Engine Flywheel Bolt
  • First Pass
20 N.m 15 lb ft
  • Second Pass
50 N.m 37 lb ft
  • Final Pass
100 N.m 74 lb ft
Engine Front Cover Bolt 25 N.m 18 lb ft
Engine Mount Bolt 50 N.m 37 lb ft
Engine Mount Bracket Bolt 75 N.m 55 lb ft
Engine Mount-to-Engine Mount Bracket Bolt 50 N.m 37 lb ft
Engine Rear Cover Bolt 25 N.m 18 lb ft
Engine Service Lift Bracket
  • M10 Bolt
50 N.m 37 lb ft
  • M8 Bolt
25 N.m 18 lb ft
Engine Shield Bolt 20 N.m 15 lb ft
Engine Wiring Harness Bracket Nut 5 N.m 44 lb in
Engine Valley Cover Bolt 25 N.m 18 lb ft
EGR Valve Pipe-to-Cylinder Head Bolt 50 N.m 37 lb ft
EGR Valve Pipe-to-Exhaust Manifold Bolt 30 N.m 22 lb ft
EGR Valve Pipe-to-Intake Manifold Bolt 10 N.m 89 lb in
Evaporative Emission (EVAP) Purge Solenoid Bolt 10 N.m 89 lb in
Fuel Rail Cover Bolt 9 N.m 80 lb in
Generator Bracket Bolt 50 N.m 37 lb ft
Generator Output Terminal Nut 9 N.m 80 lb in
Harness Ground Bolt 25 N.m 18 lb ft
Harness Ground Bolt - Rear of Block 16 N.m 12 lb ft
Hood Hinge Bolt 25 N.m 18 lb ft
Ignition Coil Bracket Stud 12 N.m 106 lb in
Intake Manifold Bolt
  • First Pass in Sequence
5 N.m 44 lb in
  • Final Pass in Sequence
10 N.m 89 lb in
Knock Sensor 20 N.m 15 lb ft
Oil Filter 30 N.m 22 lb ft
Oil Filter Adapter 55 N.m 40 lb ft
Oil Level Indicator Tube Bolt 25 N.m 18 lb ft
Oil Level Sensor 13 N.m 115 lb in
Oil Pan Drain Plug 25 N.m 18 lb ft
Oil Pan Bolt
  • To Block and Front Cover
25 N.m 18 lb ft
  • To Rear Cover
12 N.m 106 lb in
Oil Pan Skid Plate Bolt 20 N.m 15 lb ft
Oil Pressure Sensor 20 N.m 15 lb ft
Oil Pump Bolt 25 N.m 18 lb ft
Oil Pump Screen Nut 25 N.m 18 lb ft
Oil Pump Screen Bolt 12 N.m 106 lb in
Positive Battery Cable Clip Bolt 9 N.m 80 lb in
Power Steering Pump Rear Bolt 50 N.m 37 lb ft
Spark Plug 15 N.m 11 lb ft
Torque Converter Bolt
  • 4L60E Transmission
63 N.m 47 lb ft
  • 4L80E Transmission
60 N.m 44 lb ft
Transmission Bolt/Stud 50 N.m 37 lb ft
Transmission Cover Bolt 12 N.m 106 lb in
Intake Manifold Sight Shield Bolt (RPO LQ9 - 6.0L Engine) 9 N.m 80 lb in
Intake Manifold Sight Shield Bolt (4.8L, 5.3L, and RPO LQ4 - 6.0L Engines) 10 N.m 89 lb in
Intake Manifold Sight Shield Retainer Bolt 5 N.m 44 lb in
Valve Lifter Guide Bolt 12 N.m 106 lb in
Valve Rocker Arm Bolt 30 N.m 22 lb ft
Valve Rocker Arm Cover Bolt 12 N.m 106 lb in