Diesel Exhaust Fluid Supply Line - Removal
REMOVAL
NOTE: The Diesel Exhaust Fluid (DEF) supply and return lines share the same wire harness connectors. Servicing requires both lines to be removed together.
1. Disconnect both negative battery cables.
2. Disconnect the supply and return line heater harness connector (1).
3. Disconnect the supply (2) and return (3) line from the Diesel Exhaust Fluid (DEF) supply pump Service and Repair.
4. Disconnect the fill tube vent line (2) from fluid limit vent valve (1) Service and Repair.
5. Disconnect the fill tube (1) from DEF tank (2) Service and Repair.
6. Position a transmission jack under DEF tank.
7. Remove bolts (1) and partially lower the DEF tank (2).
8. Disconnect the supply and return lines (7) from routing clip (8).
9. Disconnect and remove the supply (3) and return (4) lines from the DEF tank Service and Repair.