Diesel Exhaust Fluid Tank - Removal

DEF TANK





1. Disconnect both negative battery cables.
2. Drain the cooling system Service and Repair.
3. Disconnect the coolant lines (1 and 2) going to Diesel Exhaust Fluid (DEF) tank.
4. Remove push pin (4) and unclip coolant lines bracket (3) from frame rail.





5. Disconnect the fill tube vent line (2) from fluid limit vent valve (1).





6. Disconnect the fill tube (1) from DEF tank (2).





7. Disconnect the DEF supply/return line heater harness connector (1).
8. Disconnect the DEF supply (2) and return (3) lines from the DEF supply pump.





9. Position a transmission jack under DEF tank.
10. Remove bolts (1) and partially lower the DEF tank (2).





11. Disconnect the DEF tank level/temperature sensor harness connector (1).
12. Disconnect the wire harness loom retainers (2) from bracket.





13. Disconnect the coolant control valve harness connector (1).
14. Remove the DEF tank.





15. Disconnect the coolant supply (1) and return lines (2) from DEF tank.
16. Disconnect the DEF supply (3) and return (4) lines from DEF tank.
17. Disconnect the coolant lines (5) at routing clip (6).
18. Disconnect DEF lines (7) at routing clip (8) and remove lines.





19. Remove bolt (1) and the coolant control valve assembly (2).





20. Remove nut (2) and the front tank strap (1).





21. Remove nut (2) and the rear tank strap (1).