Intake Manifold
- Find the vacuum line that runs from the fuel tank breather valve (A) (pete's T) under
throttle body and over to left-lower corner of throttle body. Disconnect this line
(cut/remove factory crimp connector) at the throttle body (B).
- There are ten 11mm nuts (C), five per side, retaining the manifold. Remove each
one, one at a time, being careful not to drop them down into motor.
- Remove each of ten mounting spacers from studs (C).
- Gently pry manifold up away from block just enough to ensure any seal is broken.
- PITA Alert! The engine wiring harnesses and black boxes make it difficult to remove
the manifold, however I did not want to disconnect all those wires, so I essentially slid
the manifold/throttle bodies forward out from underneath the harnesses. This is done
in two or three stages, as follows:
1. Locate the point at which the passenger side harness enters the firewall (D) (via
the flexible ducting). Lift the weather seal running along the top of the firewall up
away from this point, exposing the duct retainer. Pull this retainer straight up and
out, and set aside. Now raise the duct up in the firewall "slot" as much as possible
- maybe an inch or two. This allows additional clearance at the rear of the intake
manifold, without which you would not be able to remove it.
2. "Fold" the driver’s harness and box forward toward the fan. This again provides
clearance at the rear of the manifold.
3. BE CAREFUL, WORK SLOWLY, WATCH FOR WIRE HARNESSES, etc.
NOTE: you will be removing the intake manifold, throttle body, secondary throttle
body, fuel pipe/injectors, vacuum pipe and forward hoses/Tee all as a single
assembly. Grasp the manifold/throttle bodies and attempt to lift it off the block -
raise it as far as you can until you encounter obstructions - note what they are and
if possible, move them. You will eventually be able to lift the manifold up high
enough to allow moving it forward an inch or so, resting it on the mounting studs.
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