INTAKE MANIFOLD
Exploded View
Removal and Installation
REMOVAL- 1.Remove intake manifold collector. Refer to Exploded View.
■ CAUTION ■
Mark the parts with paint in advance of the reinstallation to prevent misalignment between the intake manifold collector and intake manifold.- 2.Loosen pressure regulator and fuel hose assembly mounting bolt. Refer to Exploded View.
- 3.Disconnect harness connector from fuel tube.
- 4.Remove intake manifold.
- Loosen mounting bolts in reverse order as shown in the figure with power tool.
- Mark the parts with paint in advance of the reinstallation to prevent misalignment between the intake manifold and cylinder head.
- Cover engine openings to avoid entry of foreign materials.
 | : Engine front |
■ CAUTION ■
- 5.Remove gaskets.
INSTALLATIONNote the following, and install in the reverse order of removal.
Intake Manifold- Tighten mounting bolts in numerical order as shown in the figure.
: Engine front - Refer to the figure to check the installation direction of the intake manifold.
■ CAUTION ■
- Install each part according to the marks put before removal.
- Tighten mounting bolts with care to avoid misalignment in the intake manifold.
- After replacing an intake manifold, be sure to adjust the position as instructed below.
- Check an exact location that the intake manifold port locates inside the cylinder head port and mark each part. Refer to the arrow (A) shown in the figure to check the location.
1 : Intake manifold 2 : Cylinder head ■ CAUTION ■Tighten mounting bolts with care to avoid misalignment in the intake manifold.
Inspection
INSPECTION AFTER REMOVAL Surface Distortion- Check the surface distortion of the intake manifold mating surface with a straightedge (A) and a feeler gauge (B).
Limit : Refer to Intake Manifold (GT-R certified NISSAN dealer). - If it exceeds the limit, replace intake manifold.