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.
2008 Chevrolet Optra LS, AutomaticFACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Raise the fuel tank into position.
- Install the fuel tank mounting bolts.
Tighten:Β Tighten the fuel tank retaining bolts to 20 N.m (15 lb ft)Β .
- Connect the fuel outlet line.
- Connect the wiring harness clips and the fuel line clips as needed.
- Connect the fuel pump electrical connector.
- Connect the fuel vapor line.
- Connect the fuel tank filler tube and fuel tank vent tube.
- Install the fuel tank filler tube clamp at the fuel tank.
- Install the parking brake cable retainer clamps and the support.
Tighten:Β Tighten the parking brake cable retainer clamps to 10 N.m (89 lb in)Β .
- Connect the negative battery cable.
- Fill the fuel tank.
- Perform a leak check of the fuel tank and the fuel line connections.
NOTE:
Refer to Fastener Notice
.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
