How to stop LLY overheating - clean your cooling stack

An easy way to clean your cooling stack.
Parts used to make the cleaning tool:
1/8K-7.5 Brass TeeJet FloodJet 1/8in. MNPT nozzle
3/4 x 1/8 Ice Maker Nut 4504106
1/4HB x 1/8 FIP hose barb adapter 4504429
1/4HB x 1/8 MIP hose barb adapter 4504155
1/4" polyethelyne tubing

[@carlsegerstrom3989]

Need to do this to my own truck. Thanks for the how to.

[@a.j.5822]

Very nice videos thank you, I have a bone stock 2004 LLY 2500HD. Have a great day.