Safari Van AWD V6-4.3L VIN W (1996)
CLEANING AND INSPECTION
Removing the fuel meter body assembly from the engine requires removing the top portion of the intake manifold, called the upper manifold assembly
and throttle body.
An 8 digit part identification number is on a mylar label affixed to one of the fuel meter body assemblies. Refer to this number if servicing or part
replacement is required.
NOTE: Do not use a cleaner which contains methyl ethyl ketone. This extremely strong solvent is not necessary for this type of cleaning.
Use a carburetor cleaner in order to remove deposits.
Refer to the package instructions on the use of the product.
NOTE: Cover the injector sockets in order to prevent dirt and other contaminants from entering the open fuel passages.
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Before removal, the fuel meter body assembly may be cleaned with a spray type engine cleaner, GM X-30A or the equivalent.
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Follow the package instructions.
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Do not soak fuel meter body assemblies in liquid cleaning solvent.
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
3. Remove the electrical connector to the fuel meter body.
4. Remove the fuel feed and return hoses from engine fuel pipes.
5. Remove the upper manifold assembly. Refer to Engine Mechanical.
IMPORTANT: When disconnecting the poppet nozzles, remember the sequence in order to ensure correct poppet nozzle placement to each
cylinder.
6. Squeeze the poppet nozzle locking tabs together while lifting the nozzle out of the casting socket.
7. Remove the fuel meter body from the bracket by releasing the lock tabs on the bracket.
INSTALLATION PROCEDURE
1. Install the fuel meter body assembly in the intake manifold. Tighten the fuel meter body attaching bolts to 10.0 Nm (88 lb. in.).
CAUTION: In order to reduce the risk of fire and personal injury verify that the poppet nozzles are firmly seated and locked In their casting
sockets. An unlocked poppet nozzle could work loose from its socket thus resulting in a fuel leak
2. Push the fuel meter body into the bracket. Make sure all the tabs are locked into place.
IMPORTANT: The fuel meter body assemblies are numbered to indicate poppet nozzle order.
3. Push the poppet nozzles into the casting sockets.
4. Inspect the poppet nozzles in order to ensure they are firmly seated and locked in the casting sockets.
5. Install the upper manifold electrical connector.
6. Install the new O-ring seal on engine fuel feed and return pipes.
7. Install the fuel feed and return hoses to the engine fuel pipes. Tighten the fuel pipe nuts to 30.0 Nm (22 lb. ft.).