Quote:
Originally Posted by Garcia
I've got a 20 year old truck that runs great but the frame is rotten and can't be repaired. It made me start thinking about my current cars, 2017 and newer. Is undercoating a worthwhile investment? For older cars, like the truck, I would think yes (mine was not undercoated) but for newer cars I'm told it's a waste of money as there are far fewer parts to corrode.
Thoughts?
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It's the salt that eats away at everything, so I personally think if you religiously wash the undercarriage in the winter, it will extend it's life as much as undercoating will.
Another thing that corrodes frames is leaving a vehicle, that doesn't get much use, parked on dirt. It just sucks up the moisture from the ground leaving it perpetually damp. I saw a lot of trucks over my 50 years of vehicle repair, that were rarely used for everyday traveling. They left them parked and just used them for plowing or going to the dump and Home Depot. Those are the trucks that rusted the most.
I just bought a new truck last year and I hope to keep it a long time. I bought a monthly pass to my local car wash rather than undercoating it.
If you got 20 years out of the truck you got your money's worth, JMO.