4.8L V8 Vortec•4WD•AUTOMATIC•gas

Repairs0 Labor985 Torque4869 Fluid18 DTC3616 Battery2 Maintenance0 Recalls7

engine

Intake Manifold Torque Specs

for 2003 Chevrolet Tahoe 4.8L V8 Vortec · 4WD

Units

12 fasteners

Seq

Component

Torque

Angle

—

Electrical Connector Bolts

5 lb-ft · 7 Nm

—

Electrical Connector Bolts

5 lb-ft · 7 Nm

—

Fuel Rail Bolts

Critical

15 lb-ft · 20 Nm

—

Fuel Rail Bolts

Critical

15 lb-ft · 20 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

15 lb-ft · 20 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

15 lb-ft · 20 Nm

—

Intake Manifold Bolt

Critical

Plastic: 44 lb-in first pass, 89 lb-in final pass. Spiral sequence.

7.4 lb-ft · 10 Nm

—

Intake Manifold Bolt

Critical

Plastic: 44 lb-in first pass, 89 lb-in final pass. Spiral sequence.

7.4 lb-ft · 10 Nm

—

Sensor Mounting Bolts

8 lb-ft · 11 Nm

—

Sensor Mounting Bolts

8 lb-ft · 11 Nm

—

Throttle Body Bolts

Critical

10 lb-ft · 14 Nm

—

Throttle Body Bolts

Critical

10 lb-ft · 14 Nm

—

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