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 MANUALSGMC2016ACADIA SLE, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROLS AND FUEL - 3.6L (LLT) - REPAIR INSTRUCTIONSREPAIR INSTRUCTIONSFUEL INJECTION FUEL RAIL ASSEMBLY REPLACEMENT - BANK 1 (LLT)INSTALLATION PROCEDURE
2016 GMC Acadia SLE, FWD
Installation Procedure
2016 GMC Acadia SLE, FWDSECTION Installation Procedure
- Install the rebuilt direct fuel injectors (1) to the cylinder heads. Refer to Fuel Injector Replacement (LLT) .
- Install NEW direct injector hold down clamps to the injector.
- On a new fuel rail, lubricate the fuel injector cups with silicon free engine oil GM P/N 12345610 (Canadian P/N 9931930) or equivalent.
- Carefully place the fuel rail (1) into position, placing the front into the fuel rail over the front injector and rotating the rear downward.
- Install the 2 outer fuel rail bolts first, then the 2 inner bolts, and hand tighten.
- Install the bank 2 fuel injection rail. Refer to Fuel Injection Fuel Rail Assembly Replacement - Bank 2 (LLT) .
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.