So ... Ive recently gotten my Scout runing and driveable.. Im a pretty happy guy.. But I was changing the upper radiator hose and ooooh man was there some filty mcnasties in there! Besides the large pile of rust flakes that I found in there. .... there was some thick oowey goowey in there too . I plan on doing an overhaul on the entire system ... now ... to the good part ... suggestions???/ ive read about the prestone flush ... and the rmi 25 ... and I plan on pulling the thermostat so that there are less restrictions while flushing this stuff out ... but I was just wondering if there are any other areas I might be missing ? ill prob put all original parts back on ... till the flush is over so I dont compromise anything ... but im new to the Scout world so if im missing anything id appreciate some pointers . thanks.
busted up binder cooling
- Thread starter diggum
- Start date
DF Sales&Marketing
Oil Tech Moderator
Diggum:
if you have read the previous postings about a similar situation, I think that would be the best way for you to handle your contaminated cooling system.
Flush the system with plain water, then re-fill using only plain water & rmi-25, it will take a few days of regular driving for it to clean up the crud, then, flush again, re-fill with distilled water and the anti-freeze of your choice, and add another bottle of rmi-25 - it will continue to clean and protect so that no more rust or corrosion will form in the system. Re-charge the rmi-25 with another 8-oz bottle every 15,000 miles or every 2 years
one word of caution though, it is a mild cleaner and designed to clean thoroughly, so if you have a freeze plug, or for that matter anything else that is ready to give way, it will clean that too, and you May experience a leak....that would be bound to happen sooner or later anyway, so take it as it comes and replace whatever needs to be replaced.
Rmi-25 is non-toxic and bio-degradable before it is mixed with anti-freeze. There is nothing else available like it in the market.
if you have read the previous postings about a similar situation, I think that would be the best way for you to handle your contaminated cooling system.
Flush the system with plain water, then re-fill using only plain water & rmi-25, it will take a few days of regular driving for it to clean up the crud, then, flush again, re-fill with distilled water and the anti-freeze of your choice, and add another bottle of rmi-25 - it will continue to clean and protect so that no more rust or corrosion will form in the system. Re-charge the rmi-25 with another 8-oz bottle every 15,000 miles or every 2 years
one word of caution though, it is a mild cleaner and designed to clean thoroughly, so if you have a freeze plug, or for that matter anything else that is ready to give way, it will clean that too, and you May experience a leak....that would be bound to happen sooner or later anyway, so take it as it comes and replace whatever needs to be replaced.
Rmi-25 is non-toxic and bio-degradable before it is mixed with anti-freeze. There is nothing else available like it in the market.
Tiny Yokum
Member
With the engine out, I always pop out the freeze plugs, then effectively remove the metal flash, sand, rust and whatever else made its way into the system over the past 40 or so years with water pressure, picking tools, etc... Through the freeze plug holes. To install new freeze plugs, I put them in the freezer for an hour or so, then, a thin coat of permatex #2 on the edge, tap them into place. Good time to clean out the radiator too. Remember to leave the heater valve open when servicing the coolant system.