S15/T15 2WD Jimmy V6-262 4.3L (1991)
Throttle Body: Service and Repair
Fuel Meter Body Assembly
Fuel Meter Body Assembly
REMOVAL:
1.
Disconnect electrical connections to fuel injectors. (Squeeze plastic tabs and pull straight up.)
2.
Remove fuel meter cover assembly, refer to FUEL METER COVER ASSEMBLY.
3.
Remove fuel injectors, refer to FUEL INJECTOR ASSEMBLIES.
4.
Disconnect fuel inlet and outlet lines. Discard O-rings.
5.
Remove fuel inlet and outlet nuts and gaskets from the fuel meter body assembly. Discard gaskets.
NOTE: Note locations of nuts, for proper reassembly later. Inlet nut has a larger passage than outlet nut.
6.
Remove fuel meter body to throttle body attaching screw assemblies.
7.
Remove fuel meter body assembly from throttle body assembly.
8.
Remove throttle body to fuel meter body gasket and discard.
INSTALLATION:
1.
Install new throttle body to fuel meter gasket. Match cut-out portions in gasket with openings in throttle body.
2.
Install fuel meter body assembly on throttle body assembly.
3.
Install fuel meter body-to-throttle body attaching screw assemblies, precoated with appropriate locking compound. Tighten screw assemblies to
4.0 Nm (30.0 lb-in).
4.
Install fuel inlet and outlet nuts with new gaskets to fuel body assembly. Tighten inlet nut to 40.0 Nm (30.0 lb-ft)., outlet nut to 29.0 Nm (21.0
lb-ft).
5.
Reconnect fuel inlet and return lines and new O-rings. (Use back-up wrench to keep TBI nuts from turning. Tighten fuel lines to 23.0 Nm (21.0
lb-ft).
6.
Install injectors, with new upper and lower O-rings in fuel meter body assembly.
7.
Install fuel meter cover gasket, fuel meter outlet gasket, and pressure regulator seal.
8.
Install fuel meter cover assembly.
9.
Install long and short fuel meter cover attaching screw assemblies, coated with appropriate compound. Tighten screw assemblies to 3.0 Nm (27.0
lb-in).
