From: Tom Kelly (tjk2356@webtv.net)
Date: Wed Jun 19 2002 - 19:57:24 PDT
On my M52A2 I removed both tanks and filled them with enough muratic
acid to completely cover the floor of the tank by about 1". I let it set
about a half an hour on each side, and the ends (you'll half to block
any holes and/or lines on top).
After your done, drain the acid (always be EPA PC) then rinse the
entire insides with water to neutralize the acid residue. drain all the
water out, I had to use a shop vac to get everything out. once it's dry
inside put isopropyl alcohol in her and slosh it around on every side,
ends and the top, then drain, this will remove any moisture left from
the water. Let it dry overnight and it should be good to install the
next day.
The longer you let the acid set, if there are thin spots it could eat
through, that's why I opted for only a half an hour on each internal
surface. I've been driving the truck almost 3 years now since I did this
with NO problems or leaks.
Hope this helps
Tom Kelly
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