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Frame Wax

wlvrn1215

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wlvrn1215 Senior Enthusiast

wlvrn1215

Posted
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Has anyone noticed that their frame coating is turning brownish. I sprayed it off and still looks like hell. Just curious, and is their a way to recoat it? I am pretty meticulous about the underbody and I know everything eventually rusts and I know the frame wont rust out any time soon. Thanks in advance

sno Enthusiast

sno

Posted
Posted

May just be dirt (not rust). At least around here the clay soil really sticks to the frame wax of all the trucks... not just GMs.

Bostonsfavson Senior Enthusiast

Bostonsfavson

Posted
Posted
But undercoating usually voids the factory rust warranty.

 

 

Hmm never heard that one before. The local dealerships around here take new trucks to the place where I went and have them undercoated and/or rustproofed all the time. No warranty concerns :crackup: Plus, the place offers their own 10 year warranty on rust protection (if the truck is less than one year old and has less than 12K miles) when you get the rustproofing done (which I did, in addition to the undercoating and getting the bed sprayed).

Rocco715 Enthusiast

Rocco715

Posted
Posted

I keep a few cans of 3M rubberized under coating around and everytime I jack up my truck or cut/grind any steel parts, I recoat them.

wlvrn1215 Senior Enthusiast

wlvrn1215

Posted
  • Author
Posted

I know its not rust...just turning the wax brown from all the dirt..the rear of the frame looks brand new its just the front section...Im not a big fan of spray can undercoating..it tends to hold in moisture.

rogerf Enthusiast

rogerf

Posted
Posted
I know its not rust...just turning the wax brown from all the dirt..the rear of the frame looks brand new its just the front section...

It's most likely just the spray off the roads drafting under the front of the truck. Is brine being sprayed on the roads around your area? These chemicals are worse than rocksalt on a vehicle.

wlvrn1215 Senior Enthusiast

wlvrn1215

Posted
  • Author
Posted
por15 comes highly recommended for this application.

 

 

Right but to apply the por 15. The metal shouldnt have the wax on it. Ive used por 15 a lot in the past. I restored a 1972 Dodge snow commander and did the frame with it. Great stuff

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