LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Engine Mechanical - 4.2L 6-Cylinder (On-Vehicle)) >> Torque Specifications

Torque Specifications

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS

Application Ft. Lb. (N.m)
A/C Compressor Bolts 37 (50)
A.I.R. Cover Stud 18 (25)
Cooling Fan Hub Nut 41 (56)
Crankshaft Balancer Bolt
First Pass 110 (150)
Final Pass 180 Degrees
Cylinder Head Bolt (14)
First Pass 22 (30)
Final Pass 155 Degrees
Drive Belt Idler Pulley Bolt 37 (50)
Drive Belt Tensioner Bolt 37 (50)
Engine Flywheel Bolt
First Pass 18 (25)
Final Pass 50 Degrees
Engine Front Lift Bracket Bolt 37 (50)
Engine Harness Bracket Bolt 37 (50)
Engine Mount Bracket Bolt
Engine 37 (50)
Frame 110 (81)
Engine Mount Nuts (Upper and Lower) 52 (70)
Exhaust Camshaft Actuator Bolt
First Pass 18 (25)
Final Pass 135 Degrees
Exhaust Pipe Bolts 37 (50)
Front Differential Bolts 63 (85)
Heater Inlet Fitting 33 (45)
Heater Outlet Fitting 33 (45)
Intake Camshaft Sprocket Bolt
First Pass 15 (20)
Final Pass 100 Degrees
Oil Filter (PF 58)
First Pass 13 (17)
Final Pass 150 Degrees
Oil Filter Adapter 22 (30)
Oil Pan Bolt (Sides) 18 (25)
Oil Pan Nut 18 (25)
Oil Pressure Sensor 15 (20)
Oil Pump Pressure Relief Valve 124 (14)
Power Steering Pump Bolt 18 (25)
Timing Chain Tensioner Bolt 18 (25)
Timing Chain Tensioner Shoe Bolt 18 (25)
Torque Converter Bolts 44 (60)
Transmission Bell Housing Bolts 37 (50)
INCH Lbs. (N.m) 
A/C Line Bracket Nut at Oil Level Indicator Tube 61 (7)
A/C Line Bracket Bolt at Engine Lift Bracket 89 (10)
Camshaft Cap Bolts 106 (12)
Camshaft Cover Bolt (1) 89 (10)
Crankshaft Rear Housing Bolt 89 (10)
Cylinder Head Access Hole Plug (Plastic) 44 (5)
Cylinder Head End Bolts (2 Short) (2)
First Pass 62 (7)
Final Pass 60 Degrees
Cylinder Head End Bolts (1 Long)
First Pass 62 (7)
Final Pass 120 Degrees
Engine Front Cover Bolt 89 (10)
Engine Front Cover Spacer Bolt 89 (10)
Generator Battery Lead Nut 80 (9)
Intake Manifold Bolt 89 (10)
Oil Level Indicator Tube Stud 89 (10)
Oil Pan Bolt (Ends) 89 (10)
Oil Pan Stud 97 (11)
Oil Pump Cover Bolt 89 (10)
Timing Chain Tensioner Guide Bolt 124 (14)
Timing Chain Top Guide Bolt 89 (10)
Transmission Fluid Tube to Air Adapter Nut 89 (10)
(1) Tighten in sequence. See Fig 1.
(2) Tighten in sequence. See Fig 2.
Fig 1: Camshaft Main Bearing Bolt Tightening Sequence
G00241013Courtesy of GENERAL MOTORS CORP.
Fig 2: Cylinder Head Bolt Tightening Sequence
G00241014Courtesy of GENERAL MOTORS CORP.