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Engine Torque Specifications



Torque Specifications for GM 2.8L-171ci-V6



Carburetor  To  Intake Manifold
16 Ft-Lbs
192 In-Lbs
21.69 N-m
Years: All
Note: Carburetor to Intake Manifold
Type: Dim: Length: Head: Nut Grade:



Connecting Rod  To  Crankshaft
37 Ft-Lbs
444 In-Lbs
50.17 N-m
Years: All
Note: Connecting Rod Cap Nuts
Type: Bolt Dim: Length: Head: Nut Grade:



Cover Plate  To  Engine Block
7.5 Ft-Lbs
90 In-Lbs
10.17 N-m
Years: All
Note: Camshaft Cover (Rear) Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Crankshaft  To  Engine Block
70 Ft-Lbs
840 In-Lbs
94.91 N-m
Years: All
Note: Main Bearing Cap Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Cylinder Head  To  Engine Block
70 Ft-Lbs
840 In-Lbs
94.91 N-m
Years: All
Note: Cylinder Head Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Drain Plug  To  Oil Pan
20 Ft-Lbs
240 In-Lbs
27.12 N-m
Years: All
Note: Oil Drain Plug
Type: Bolt Dim: Length: Head: Hexagon Grade:



Exhaust Manifold  To  Cylinder Head
25 Ft-Lbs
300 In-Lbs
33.9 N-m
Years: All
Note: Exhaust Manifold Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Fan Blade  To  Water Pump
19 Ft-Lbs
228 In-Lbs
25.76 N-m
Years: All
Note: Fan/Pulley to Water Pump Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Flexplate/Driveplate  To  Crankshaft
50 Ft-Lbs
600 In-Lbs
67.79 N-m
Years: All
Note: Driveplate Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Flywheel  To  Crankshaft
50 Ft-Lbs
600 In-Lbs
67.79 N-m
Years: All
Note: Flywheel Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Fuel Pump  To  Engine Block
16 Ft-Lbs
192 In-Lbs
21.69 N-m
Years: All
Note: Mechanical Fuel Pump Mounting Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Intake Manifold  To  Cylinder Head
23 Ft-Lbs
276 In-Lbs
31.18 N-m
Years: All
Note: Intake Manifold Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Oil Pan  To  Engine Block
7.5 Ft-Lbs
90 In-Lbs
10.17 N-m
Years: All
Note: 6mm Oil Pan Mounting Bolts
Type: Bolt Dim: M 6 X 1.00 Length: Head: Hexagon Grade:



Oil Pan  To  Engine Block
18 Ft-Lbs
216 In-Lbs
24.4 N-m
Years: All
Note: 8mm Oil Pan Mounting Bolts
Type: Bolt Dim: M 8 X 1.25 Length: Head: Hexagon Grade:



Oil Pump  To  Engine Block
33 Ft-Lbs
396 In-Lbs
44.74 N-m
Years: All
Note: Oil Pump to Rear Main Bearing Cap Bolt
Type: Bolt Dim: Length: Head: Hexagon Grade:



Pressure Plate  To  Flywheel
23 Ft-Lbs
276 In-Lbs
31.18 N-m
Years: All
Note: Pressure Plate Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Pulley  To  Vibration Damper/Hub
25 Ft-Lbs
300 In-Lbs
33.9 N-m
Years: All
Note: Crankshaft Pulley to Vibration Damper Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Pulley  To  Water Pump
19 Ft-Lbs
228 In-Lbs
25.76 N-m
Years: All
Note: Fan/Pulley to Water Pump Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Rocker Arm Stud  To  Cylinder Head
46 Ft-Lbs
552 In-Lbs
62.37 N-m
Years: All
Note: Rocker Arm Studs
Type: Stud Dim: Length: Head: Hexagon Grade:



Spark Plug  To  Cylinder Head
22 Ft-Lbs
264 In-Lbs
29.83 N-m
Years: All
Note: Spark Plugs
Type: Dim: Length: Head: Grade:



Thermostat Housing  To  Intake Manifold
25 Ft-Lbs
300 In-Lbs
33.9 N-m
Years: All
Note: Thermostat Housing Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Throttle Body  To  Intake Manifold
16 Ft-Lbs
192 In-Lbs
21.69 N-m
Years: All
Note: Throttle Body to Intake Manifold Nuts
Type: Dim: Length: Head: Nut Grade:



Timing Chain/Belt Cover  To  Engine Block
25 Ft-Lbs
300 In-Lbs
33.9 N-m
Years: All
Note: 10mm Timing Chain Cover Bolts
Type: Bolt Dim: M 10 X 1.50 Length: Head: Hexagon Grade:



Timing Chain/Belt Cover  To  Engine Block
16 Ft-Lbs
192 In-Lbs
21.69 N-m
Years: All
Note: 8mm Timing Chain Cover Bolts
Type: Bolt Dim: M 8 X 1.25 Length: Head: Hexagon Grade:



Timing Chain/Belt Sprocket  To  Camshaft
18 Ft-Lbs
216 In-Lbs
24.4 N-m
Years: All
Note: Camshaft Sprocket Bolt
Type: Bolt Dim: Length: Head: Hexagon Grade:



Timing Chain/Belt Tensioner  To  Engine Block
14 Ft-Lbs
168 In-Lbs
18.98 N-m
Years: All
Note: Tensioner Bracket to Engine Block Bolts
Type: Bolt Dim: Length: Head: Hexagon Grade:



Valve Cover  To  Cylinder Head
5 Ft-Lbs
60 In-Lbs
6.78 N-m
Years: All
Note: Rocker Arm Cover Bolts - With Permanet Gasket
Type: Bolt Dim: Length: Head: Hexagon Grade:



Valve Cover  To  Cylinder Head
8 Ft-Lbs
96 In-Lbs
10.85 N-m
Years: All
Note: Rocker Arm Cover Bolts - With RTV
Type: Bolt Dim: Length: Head: Hexagon Grade:



Vibration Damper/Hub  To  Crankshaft
75 Ft-Lbs
900 In-Lbs
101.69 N-m
Years: All
Note: Vibration Damper Center Bolt
Type: Bolt Dim: Length: Head: Hexagon Grade:



Water Pump  To  Engine Block
25 Ft-Lbs
300 In-Lbs
33.9 N-m
Years: All
Note: 10mm Water Pump Mounting Bolts
Type: Bolt Dim: M 10 X 1.50 Length: Head: Hexagon Grade:



Water Pump  To  Engine Block
7.5 Ft-Lbs
90 In-Lbs
10.17 N-m
Years: All
Note: 6mm Water Pump Mounting Bolts
Type: Bolt Dim: M 6 X 1.00 Length: Head: Hexagon Grade:



Water Pump  To  Engine Block
16 Ft-Lbs
192 In-Lbs
21.69 N-m
Years: All
Note: 8mm Water Pump Mounting Bolts
Type: Bolt Dim: M 8 X 1.25 Length: Head: Hexagon Grade: