LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1995 >> Forward Control 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Engine Controls - Remove/Install/Overhaul - 3.3L Gasoline) >> Fuel System >> Fuel Injector Rails >> Installation

Fuel Injector Rails: Installation

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure injectors are seated into receiver cups on rail with lock rings in place. See FUEL INJECTORS  . Ensure injector holes are clean and all plugs have been removed. Replace any damaged "O" rings.
  2. Lubricate injector "O" rings with a drop of clean engine oil to ease installation. Push tip of each injector into its port. Push entire assembly into place until injectors are seated in ports.
  3. Install 4 fuel rail attaching bolts. Install fuel tube retaining bracket screw. Reconnect cam sensor, coolant temperature sensor and engine temperature sensor.
  4. Reconnect fuel injector wiring harness to engine harness. Install fuel injector wiring harness wiring clips on alternator bracket and intake manifold water tube. Connect fuel pressure regulator vacuum hose. Remove covering on lower intake manifold, and clean manifold surface.
  5. Place intake manifold gasket on lower manifold. Put upper manifold into place, and install bolts finger tight. Install and finger-tighten alternator bracket-to-intake manifold bolt and cylinder head-to-intake manifold strut bolts.
  6. Tighten upper-to-lower intake manifold bolts in crisscross sequence. Tighten alternator bracket-to-intake manifold bolt. Tighten cylinder head-to-intake manifold strut bolts.
  7. Install ground strap. Reconnect MAP sensor, oxygen sensor and charge temperature sensor electrical connectors. Connect vacuum hose harness to intake plenum.
  8. Connect PCV system. Using a new gasket, connect EGR tube flange to intake manifold. Clip wiring harness into hole in throttle cable bracket. Connect wiring connectors to throttle position sensor and automatic idle speed motor. Connect vacuum harness to throttle body.
  9. Install direct ignition system coils. Install fuel hose quick-connect fittings to fuel rail. Push each fitting onto rail until it clicks into place. Fuel supply fitting is 5/16" and fuel return fitting is 1/4". Install throttle cable. Install air cleaner and hose assembly. Connect negative battery cable. Pressure test system for leaks.
scientia non olet · About LEMON Manuals