Remove / Install Stock Intake System (Airbox Lid – Throttlebody, MPFI Horizontal Intake)

In this DIY, we’ll be removing most of the stock air intake system, including the airbox lid and tubing leading to the throttlebody, on S-Series with multiport fuel injection on a horizontal intake manifold.

Author: Jonathan Swain (aka "PurdueGuy")

Relevant Models

1995-2002 SC1
1991-1992 SC
1993-1999 SC2
1995-2002 SL
1995-2002 SL1
1991-1999 SL2
1995-2002 SW1
1993-1999 SW2

Tools

  • Locking pliers (if you have a spring clamp on your intake tube)

or

  • Flathead screwdriver (if you have a screw clamp on your intake tube)

Removal

Step 1

Pull the rubber hose from the side of the intake.

Step 2

Use your locking pliers to squeeze the spring clamp together so it will loosen. Lock into place.
(note that some intakes may use a different style clamp, most likely loosened by turning a screw to loosen the clamp, like a common hose clamp)

Step 3

With the pliers still locked, pull the intake tube off the throttlebody.

Step 4

Unclick the 4 clips that hold the airbox lid on.
At this point this portion of the intake is loose and can be removed.

Step 5

At this point this portion of the intake is loose and can be removed.

(Engine bay with intake section removed pictured)

Installation

Installation is the reverse of removal.

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