TL V6-3.5L (2007)
Replace the retainer when:
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replacing the fuel rail.
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replacing the fuel line.
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replacing the fuel pump.
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replacing the fuel filter.
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replacing the fuel gauge sending unit.
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it has been removed from the line.
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it is damaged.
Fuel Supply System
Fuel Line/Quick-Connect Fitting Removal
NOTE: Before you work on the fuel lines and fittings, read the "Fuel Line/Quick-Connect Fitting Precautions".
1. Relieve the fuel pressure.
2. Check the fuel quick-connect fittings (A) for dirt, and clean them if needed.