You want to do this service every 100-120k miles due to oil and sludge getting trap in the intake manifold, and also preventative maintenance on the PCV valve. Its best to do this service so you can kill 2 birds with 1 stone.

Follow this video tutorial by YouTuber NutzAboutBolts to complete the cleaning yourself.

Torque specs:

  • 21 ft. lbs - Intake manifold bolts and nuts
  • 62 ft. lbs - MAP sensor
  • 7 ft. lbs - EGR pipe bolts
  • 15 ft. lbs - Oil dipstick guide sub assembly bolts
  • 7 ft. lbs - Throttle body bolts


If this is your first time working on a vehicle read our safety tips before proceeding.

Video Instructions


To reassemble your device, follow these instructions in reverse order.


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