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Torque Specifications

TORQUE SPECIFICATIONS

Application Ft. Lbs. (N.m)
Converter Bolt 32 (43)
Converter Housing-To Engine Bolt 35 (47)
Camshaft Gear Bolt 125 (171)
Camshaft Thrust Plate Bolt 17 (23)
Connecting Rod Nut 48 (65)
Coolant Crossover Pipe Bolt 31 (42)
Crankshaft Damper Bolt 200 (270)
Crankshaft Pulley Bolt 48 (65)
Cylinder Head Bolt (1)
Step 1 50 (60)
Step 2 Additional 90 Degrees
Drive Shaft Center Bearing Bolt 60 (81)
Engine Mount
Front
Bracket-To-Engine Bolt 30 (41)
Bracket-To-Frame Nut 90 (122)
Through-Bolt 50 (68)
Rear
Engine Mount Bolt To Rear Crossover 90 (122)
Crankshaft Position Sensor 17 (23)
Exhaust Manifold Bolt 26 (35)
Exhaust Pipe-To-Manifold Bolt 37 (50)
Fan-To-Water Pump 15-20 (20-27)
Flywheel Bolt 65 (90)
Front Cover Bolt 33 (45)
Glow Plug 16 (22)
Injection Line Fitting 24 (33)
Injection Nozzle 59 (80)
Injection Pump Gear Baffle Bolts & Nuts 31 (42)
Injection Pump Gear Bolt 20 (25)
Injection Pump Mounting Nut 30 (40)
Intake Manifold Bolt
Center Bolts (Non-Turbo) (2) 31 (42)
Center Bolts (Turbocharged) 17 (23)
Upper Intake Manifold (Turbocharged) 17 (23)
Main Bearing Cap Bolt
Inner 12-mm
Step 1 55 (75)
Step 2 Additional 90 Degrees
Outer 12-mm
Step 1 48 (65)
Step 2 Additional 90 Degrees
Outer 10 mm 30 (40)
Oil Gallery Plug 25 (34)
Oil Pan Bolt (Rear 2) 17 (23)
Oil Pump Bolt 65 (90)
Oil Pump Drive Clamp Bolt 31 (42)
Rocker Arm Cover Bolt 20 (27)
Rocker Arm Shaft Bolt 40 (55)
Starter Mounting Bolts 30-40 (41-54)
Thermostat Housing-To-Coolant Crossover Pipe Bolt 35 (47)
Turbocharger-To-Exhaust Manifold 43 (58)
Turbocharger-To-Block 48 (65)
Valve Lifter Guide Plate Clamp Bolt 20 (27)
Water Pump Plate-To-Front Cover Bolt 20 (28)
Water Pump Plate-To-Pump Bolt 20 (28)
Water Pump-To-Cylinder Block Bolt 32 (42)
INCH Lbs. (N.m) 
Air Horn Bolts 45-65 (5-7)
Converter Housing Access Cover Bolt 60 (7)
Oil Pan Bolt (Except Rear 2) 89 (10)
Splash Shield Screws
5/16 90-130 (10-15)
1/4 45-65 (5-7)
Turcharger Inlet Tube Clamps 90 (10)
(1) Tighten in sequence. See Fig 1.
(2) Tighten in sequence. See Fig 2.
Fig 1: Intake Manifold Bolt Torquing Sequence (Non-Turbo)
G95H27067Courtesy of GENERAL MOTORS CORP.
Fig 2: Cylinder Head Bolt Tightening Sequence
G95I27068Courtesy of GENERAL MOTORS CORP.