Drive up on ramps and remove spare tire. Take a garden hose with a barb adapter and piece of rubber tubing zip tied to the end. insert into frame rails to clean out. Power wash underside of truck with water only.
Let dry.
Apply POR 15 to welds if you prefer. Let Dry
Purchase an underside coating kit that has adapters to allow you to shoot into the frame rails. Apply WOOLWAX or FLUID FILM into all frame cavities and any other part of the truck you want protected. Then spray all exterior metal on the underside of the truck. Let it sit for a day.
You can always go and buy rattle cans of Fluid Film but the kits are the best. A gallon of fluid Film goes a long way on one truck.
Check out Wool Wax. I have always used Fluid Film but am switching over to Wool Wax next winter.
Welcome to Woolwaxusa - WoolWax Lanolin Auto Undercoating
Woolwax(R) "Pro" Undercoating Gun with (3) bottles (empty) an
I would never put motor oil or flex seal on the underside of my truck.
Let dry.
Apply POR 15 to welds if you prefer. Let Dry
Purchase an underside coating kit that has adapters to allow you to shoot into the frame rails. Apply WOOLWAX or FLUID FILM into all frame cavities and any other part of the truck you want protected. Then spray all exterior metal on the underside of the truck. Let it sit for a day.
You can always go and buy rattle cans of Fluid Film but the kits are the best. A gallon of fluid Film goes a long way on one truck.
Check out Wool Wax. I have always used Fluid Film but am switching over to Wool Wax next winter.
Welcome to Woolwaxusa - WoolWax Lanolin Auto Undercoating
Woolwax(R) "Pro" Undercoating Gun with (3) bottles (empty) an
I would never put motor oil or flex seal on the underside of my truck.
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