Quote:
Originally Posted by firebirdguy
ive only owned my 4runner for 1 year, but had a jeep cherokee for almost 15 years that started to rust out the rockers in the last 3-4 years but otherwise the frame & floor were solid as could be. !
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That's funny, I'm in a similar boat. Had the Runner for a bit over a year. Moved over from a 99 Cherokee that I owned for many years. The rockers disappeared years ago. I replaced the floor twice in that time, eventually found water was seeping under the rug from the fan vent over the firewall. Great Chrysler setup as there was no drain on the passenger side so it filled up and drained into the car. I added one and no more water came in. The frame on that truck had more new metal welded on than old, always rusting from the inside out. Kicker is that the 88 cherokee and 93 grand I had before never had this sort of rot. That was my 4th and last Jeep.
As for POR-15, it certainly has it's uses but how do you clean and get it into the crevices inside the frame? Mustie1 on YT lives in this area, he swears by bar & chain oil I think (or maybe ATF?). He heats it and sprays it inside all the places that can collect crap. Lastly, Fluid Film....the jury is still out on that one for me. I had the Runner sprayed everywhere underneath in the fall after I removed all the scale. It looks like it all washed off so not impressed so far.
