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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Engine Controls - Remove/Install/Overhaul - 3.3L Gasoline) >> Fuel System >> Fuel Injector Rails >> Removal

Fuel Injector Rails: Removal

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. Release fuel system pressure. Proceed to the FUEL SYSTEM PRESSURE RELEASE  . Disconnect negative battery cable.
  2. Remove air cleaner-to-throttle body hose. Remove throttle cable. Remove wiring harness from throttle cable bracket and intake manifold water tube. Remove wiring connectors for automatic idle speed motor and throttle position sensor from throttle body.
  3. Remove vacuum hose harness from throttle body. Remove PCV and brake booster hoses from air intake plenum. Remove EGR tube flange from intake plenum. Disconnect charge temperature sensor.
  4. Remove vacuum harness connections from air intake plenum. Remove cylinder head-to-intake plenum strut. Disconnect MAP sensor and oxygen sensor electrical connectors.
  5. Remove engine-mounted ground strap. Remove fuel hose quick-connect fitting from fuel rail by pushing in on plastic ring located on end of fitting. Gently pull fitting from fuel rail.
    CAUTION: To minimize fuel spill, wrap a shop towel around and under fuel rail fittings.
  6. Remove direct ignition system coils. Remove alternator bracket-to-intake manifold bolt. Remove intake manifold bolts, and rotate manifold back over rear valve cover.
  7. Cover intake manifold using a suitable cover when servicing. Remove vacuum hose harness connector from fuel pressure regulator. Remove fuel tube retainer bracket screw and fuel rail attaching bolts. Spread retainer bracket to allow fuel tube removal clearance.
  8. Remove fuel rail injector wiring clip from alternator bracket. Disconnect cam sensor, coolant temperature sensor and engine temperature sensor connectors. Remove fuel rail. DO NOT damage rubber "O" rings on injectors when removing injectors from ports. Replace any damaged "O" rings.