Intake Manifold

2003 Chevrolet Monte Carlo V6-3.4L VIN ESECTION Intake Manifold


Upper Intake Manifold 25 Nm (18 lb ft)





Lower Intake Manifold

The torque specification is a 2-step process; tighten the vertical lower intake manifold bolts (the four middle ones) to 7 Nm (62 lb in). Tighten the diagonal lower intake manifold bolts (two on each end) to 7 Nm (62 lb in). Tighten the vertical lower intake manifold bolts (the four middle ones) to 13 Nm (115 lb in). Tighten the diagonal lower intake manifold bolts (two on each end) to 25 Nm (18 lb ft).

Heater Inlet Pipe Nut 25 Nm (18 lb ft)

Throttle Body Bolt/Stud 25 Nm (18 lb ft)

Injector Rail Bolts 10 Nm (89 lb in)

Fuel Feed and Return Pipe Retaining Clip Bolt 8 Nm (71 lb in)

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.