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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 238 (Gm Vehicles Cautions & Notices) >> Cautions & Notices >> Fuel & EVAP Pipe Caution

Fuel & EVAP Pipe Caution

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CAUTION: In order to reduce the risk of fire & personal injury observe the following items:
  • Replace all nylon fuel pipes that are nicked, scratched or damaged during installation, do not attempt to repair the sections of the nylon fuel pipes.
  • Do not hammer directly on the fuel harness body clips when installing new fuel pipes. Damage to the nylon pipes may result in a fuel leak.
  • Always cover nylon vapor pipes with a wet towel before using a torch near them. Also, never expose the vehicle to temperatures higher than 115°C (239°F) for more than one hour, or more than 90°C (194°F) for any extended period.
  • Apply a few drops of clean engine oil to the male pipe ends before connecting fuel pipe fittings. This will ensure proper reconnection & prevent a possible fuel leak. (During normal operation, the O-rings located in the female connector will swell & may prevent proper reconnection if not lubricated).