For 1990-2009 cars

1. Remove the fuel injector wiring harness plug from fuel injector wiring harness bracket.
2. Remove the power brake booster vacuum pipe connector (4) from the power brake booster vacuum pipe venturi.
3. Remove the 4 long intake manifold bolts (1).
4. Remove the short intake manifold bolts (2).
5. Remove the upper intake manifold (3).
6. Remove the upper intake manifold gasket left side (1).
7. Remove the upper intake manifold gasket right side (2).
8. Remove the 2 upper-to-lower intake manifold alignment pins (1).