Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2010CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROLS AND FUEL - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL INJECTOR REPLACEMENTINSTALLATION PROCEDURE
2010 Chevrolet Chevy Express G3500, Van Passenger Extended
Installation Procedure
2010 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
NOTE:
When ordering new fuel injectors, be sure to order the correct injector for the application being serviced.
- Lubricate the NEW injector O-ring seals with clean engine oil.
- Install the fuel injector (2) into the fuel meter body injector socket.CAUTION: Refer to Fastener Caution .
- Install the injector retainer (3) and the injector retainer lock nuts (4), then tighten to 3 N.m (27 lb in).
- Install the fuel meter body. Refer to Fuel Meter Body Assembly Replacement .
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.