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JEGS com 555-94020 Installation guide

  • Hello! I've reviewed the provided Installation Guide for the JEGS 555-94020 Auxiliary Fuel Tank. This guide details the steps for safely mounting the tank, connecting fuel lines, and the tools needed for the process. I understand it includes information about the fuel system, safety considerations, and the parts included within the kit and I'm ready to assist with any questions you may have about the installation or the device itself.
  • Is professional installation recommended?
    What should be done before installation?
    What size hole is needed for the truck bed near the shut-off valve?
Diesel Auxiliary Tank Installation Guide
555-94020 | 2 in. Fill Line
PRE-INSTALLATION
Professional installation by a certied technician is highly
recommended for this job.
• Do not install this kit when the factory tank is full.
• 2 in. factory ll neck OD applications.
• Chevrolet/GMC: 2010 & Older
INSTALLATION INSTRUCTIONS
Not responsible for altered products. No claims are made regarding any lifting devices. Any and all claims implied in this document excluded.
REQUIRED TOOLS
• Drill
• Drill Bit: 7/8 in.
• Saw (Metal)
• Utility Knife (Rubber)
• Screwdrivers
• Wrench/Socket: 3/8 in.
INCLUDED PARTS
• Aluminum Tee Adapter
• Fuel Hose
• Hose Clamps (Small)
• Shut-Off Valve
• Hose Clamps (Large)
• Rubber Hose Sleeves
1. Select the desired location and fasten the auxiliary
tank to the bed of your truck.
2. Mark the mounting tab locations and drill a 3/8 in. hole
for each tab.
3. Secure the auxiliary tank using 3/8 in. by 1 1/2 in. bolts,
at washers (not included) on each side, and locking
washers to secure the nuts.
4. Install the aluminum adapter into the ller neck.
5. If the ller neck is metal, remove from the vehicle
before cutting. If the ller neck is a exible rubber
hose, cut the neck, insert the aluminum adapter tee and
tighten the hose clamps. Position the valve on the
aluminum adapter tee facing upward.
6. Remove the drain plug from the auxiliary tank and
install the shut-off valve (closed position). Use anti-seize.
7. Before drilling, check the underside of the vehicle to
avoid wiring, brake, and fuel lines.
8. Drill a 7/8 in. hole in the bed of the truck near the area
of the shut-off valve.
9. Connect the 3/8 in. fuel hose to the shut-off valve and
secure with a hose clamp.
10. Feed the 3/8 in. fuel hose through the truck bed and
install on adapter tee valve. Secure with hose clamps
11. Fill both tanks with fuel. Always ll the factory tank rst.
Open the shut-off valve and check the system for leaks.
AUXILIARY FUEL TANK
FACTORY FUEL TANK
TRUCK BED
Shut-Off Valve
Small Hose Clamps (2)
Rubber Grommet
Fuel Hose
Aluminum Adapter Tee
Large Hose Clamps (4)
Filler Neck Hose
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