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
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.
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