3 Stage Intake Manifold Swap

Tips:

• Replace bolts from where you get them
• Label plugs before unplugging
• Clean block
• Unlock doors, put back seats down

Steps:

• Unplug battery negative (10mm)
• Remove hood (10mm)
• remove air filter cabin, cowl, engine cover
• Remove strut bracing (T14 bottom, T18 Top) (74ftlbs)
• Remove Intake box and hoses
• Remove power steering reservoir (10mm)
  • put it to the side, no need to disconnect
• Unplug a bunch of stuff on the intake including DISA valve connections
  • o2 sensors on top
  • alternator cable
  • PCV hose to VC
  • throttle body cable
• Remove throttle body (10mm)
  • Clean
• Remove junction box (optional)
  • torx bit on each side to remove whole bracket (t27)
  • or.. PB Blaster and flat head screwdriver to pry it off. Don't break clips.
• Remove O2 sensors. Label before unplug
  • push cable down through intake manifold
  • pull out of the way from the back
• Remove PCV hose at firewall
  • release clips
• Remove fuel hose bracket @ firewall side (T25)
• Remove Manifold
  • 11mm bolts, crack then remove by hand 11ftlb
  • Break free
  • Unplug cables underneath
  • Remove pvc to oil pan hose

Manifold Delete complete

• Clean manifold interface
• Transfer junk from old manifold to new manifold
  • sensors
  • brackets
  • PCV breather hose
• Replace/Insert manifold gaskets
• Transfer L shaped PCV hose
• Plug in PCV hoses to housing + manifold
  • third manifold PCV small hose comes from junction box

Manifold is ready to go in the car.

• Find DISA connectors
  • Long goes on inside, short goes on outside
• Get O2 sensors out of the way
• Struggle for a bit as you wedge everything in. 
  
• Start plugging things in before fully inserted
  • Remove dust covers from DISA connectors
  • plug everything else in
• Everything is in reverse from here out. 
  
  • Cross pattern on bolt tighten
  • snug is good enough