S10/T10 Blazer 2WD V6-262 4.3L VIN Z (1994)
Throttle Body: Service and Repair
Fuel Meter Body Assembly
Fuel Meter Body Assembly
REMOVE/DISCONNECT
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Electrical connections to fuel injectors. (Squeeze plastic tabs and pull straight up.)
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Fuel meter cover assembly. See: Fuel Meter Cover Assembly
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Fuel injectors. See: Fuel Injector/Service and Repair/Fuel Injector(S) Replacement
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Fuel inlet and outlet lines. Discard O-rings.
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Fuel inlet and outlet nuts and gaskets from fuel meter body assembly. Discard gaskets.
NOTE Note locations of nuts, for proper reassembly later. Inlet nut has a larger passage than outlet nut.
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Fuel meter body to throttle body attaching screw assemblies.
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Fuel meter body assembly from throttle body assembly.
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Throttle body to fuel meter body gasket and discard.
INSTALL/CONNECT
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New throttle body to fuel meter gasket. Match cut-out portions in gasket with openings in throttle body.
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Fuel meter body assembly on throttle body assembly.
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Fuel meter body-to-throttle body attaching screw assemblies, precoated with appropriate locking compound. Tighten screw assemblies to 4.0 Nm
(35.0 lb-in).
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Fuel inlet and outlet nuts with new gaskets to fuel body assembly. Tighten inlet nut to 40.0 Nm (30.0 lb-ft) and outlet nut to 29.0 Nm (21.0 lb-ft).
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Fuel inlet and return lines and new O-rings. (Use back-up wrench to keep TBI nuts from turning. Tighten fuel lines to 27.0 Nm (20.0 lb-ft).
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Injectors with new upper and lower O-rings in fuel meter body assembly.
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Fuel meter cover gasket, fuel meter outlet gasket, and pressure regulator seal.
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Fuel meter cover assembly.
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Long and short fuel meter cover attaching screw assemblies, coated with appropriate compound. Tighten screw assemblies to 3.0 Nm (27.0 lb-in).
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Electrical connectors to fuel injectors.
INSPECT