GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Yukon - 4WD 🢒 Engine 🢒 Engine Controls - 7.4L 🢒 Fuel Hose/Pipes Assembly Replacement

Fuel Hose/Pipes Assembly Replacement Vapor Pipe - 4DR Utility

Removal Procedure

Notice: 

   • Do not attempt to straighten kinked nylon pipes. Replace any kinked nylon pipes in order to prevent damage to the vehicle.
   • Do not attempt to repair sections of nylon pipes. Replace damaged nylon pipes.
   • Replace the vapor pipes with original equipment or parts that meet GM specifications.
   • Replace the vapor hoses with original equipment or parts meeting GM specifications. Use only reinforced fuel-resistant hose identified with the word Fluoroelastomer or GM 6163M on the hose.


    Object Number: 381574 Size: SH
  1. Remove the hardware retaining section of the pipe to be replaced (2). Note the location of attaching hardware for installation.
  2. Remove the section of the pipe and hoses (1).
  3. Inspect the hoses for cuts, swelling, cracks and distortion. Replace as required.
  4. Inspect the pipes for holes, kinks, and cracks. Replace the sections as required.

Installation Procedure

Important: 

   • Follow the same routing as the original pipes and hoses.
   • Secure the pipes and hoses to prevent chafing.


    Object Number: 381574 Size: SH
  1. Install the section of the pipe and hoses (1).
  2. Install the hardware retaining section of the pipe being replaced (2).

Fuel Hose/Pipes Assembly Replacement Vapor Pipe - Ex. 4DR Utility

Removal Procedure

Notice: 

   • Do not attempt to straighten kinked nylon pipes. Replace any kinked nylon pipes in order to prevent damage to the vehicle.
   • Do not attempt to repair sections of nylon pipes. Replace damaged nylon pipes.
   • Replace the vapor pipes with original equipment or parts that meet GM specifications.
   • Replace the vapor hoses with original equipment or parts meeting GM specifications. Use only reinforced fuel-resistant hose identified with the word Fluoroelastomer or GM 6163M on the hose.

  1. Remove the hardware retaining section of the pipe to be replaced. Note the location of attaching hardware for installation.

    2. Object Number: 19204 Size: SH
  2. Remove the fuel (1) and vapor (2) sections of the pipe.
  3. Inspect the pipes for cuts, swelling, cracks and distortion. Replace as required.
  4. Inspect the pipes for holes, kinks, and cracks. Replace the sections as required.

Installation Procedure

Important: 

   • Follow the same routing as the original pipes and hoses.
   • Secure the pipes and hoses to prevent chafing.


    Object Number: 19204 Size: SH
  1. Install the fuel (1) and vapor (2) sections of the pipe.
  2. Install the hardware retaining section of the pipe being replaced.