How to replace the fuel injectors in the LLT (3.6L) engine on 2009 Buick Enclave?

To fit the fuel injectors in the LLT engine, discharge the high-side fuel system pressure and observed injector position. Detach the fuel rail assembly of either side, remove retaining rings and remove injectors. Bores Clean injector as required, lubricate new O-rings, and install new parts. Install again the fuel rail assembly.

OEM 2009 Buick Enclave Fuel Injector

Gas Injector

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2009 Buick Enclave Injector Part Number: 12669384
$109.71 MSRP: $200.44
You Save: $90.73 (46%)
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Product Specifications
- Other Name: Injector, Fuel Injection; Fuel Injector
- Replaces: 12638530, 12611545, 12632255
- Item Weight: 0.50 Pounds
- Item Dimensions: 4.1 x 2.7 x 2.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12669384
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Buick Enclave Submodels:
- CX, CXL | 6 Cyl 3.6 L GAS

2009 Buick Enclave Fuel Injector

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2009 Buick Enclave Fuel Injector Parts and Q&A

Q: How to replace the fuel injectors in the LLT (3.6L) engine on 2009 Buick Enclave?
A: To fit the fuel injectors in the LLT engine, discharge the high-side fuel system pressure and observed injector position. Detach the fuel rail assembly of either side, remove retaining rings and remove injectors. Bores Clean injector as required, lubricate new O-rings, and install new parts. Install again the fuel rail assembly.