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.
2004 Chevrolet Malibu BaseFACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Install the fuel injectors. Refer to Fuel Injector Replacement .
- Install the fuel rail using the following procedure:
- With the fuel injectors positioned downward, lower the fuel injectors into the cylinder head ports.
- Align the injectors by rotating the fuel rail forward.
- Carefully push the fuel injectors into the cylinder head ports.
IMPORTANT:
Install new lower O-rings when reusing fuel injectors. Lubricate the injector tip O-rings prior to installing the injectors into the intake manifold.
NOTE:
Refer to Fastener Notice in Cautions and Notices.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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