1989 Nissan 300ZX Intake Manifold Installation

Application for 3.0L V6 - VIN [H] & 3.0L V6 TURBO - VIN [C] 1989 Engines - 3.0L & 3.0L Turbo V6 vehicle.
Removal
1. Release fuel system pressure. Disconnect battery and drain cooling system. Disconnect vacuum and
coolant lines attached to intake manifold and label accordingly. Remove throttle linkage. Remove
collector cover and collector. See Fig. 1 .
2. Disconnect fuel line and components that interfere with removal. Remove intake manifold bolts using
removal sequence. See Fig. 2 . Remove intake manifold and fuel injector fuel lines as an assembly.
Installation
Using new gaskets, install intake manifold assembly. Tighten bolts in reverse order of removal sequence. See
Fig. 2 . Ensure that all electrical and vacuum lines are properly connected. To complete installation, reverse
removal procedure.
EXHAUST MANIFOLD
Removal
Remove exhaust manifold covers. Disconnect exhaust pipes from manifolds. Disconnect exhaust manifolds
using proper sequence. See Fig. 3 . On turbo models, disconnect oil passage tube and remove turbocharger.
Installation
To install, reverse removal procedure. Use new gaskets. To tighten, reverse exhaust manifold loosening
sequence. See Fig. 3.

Source