Radiator Cleaning And Coolant Flush
I pulled my Rad out of the truck, replaced the thermostat to a 180 deg (part number 3967195) and flushed the block and heater core. I have to say that my temps were getting above 204 deg while pulling my 20' enclosed car hauler. I had a 190 deg t-stat in there. When I pulled it out, the rubber diaphragm had cratered and disintegrated; it was in my Rad when I back flushed it.
The Rad was caked with crud on the front side. I even have my breather relocated to the trackbar. I will post pics of it just after I started to wash it down. I washed it with degreaser 4 times and also used an entire can of brake cleaner on it. I re-filled the cooling system with Fleetguard ES Compleat 50/50 premix (part number CC2825X). 4.5 Gallons is what it took. Pulling the rad was pretty easy. Un-clip the shroud, take the overflow tank off and the window fluid tank off, undo the 4 bolts (2 on each side), take the pos battery cable off the top of the rad, 2 bolts that hold the rad to the front clip, and take out. I recommend 2 people lifting it out. http://i68.photobucket.com/albums/i4...leaning003.jpg http://i68.photobucket.com/albums/i4...leaning001.jpg http://i68.photobucket.com/albums/i4...leaning004.jpg |
Little late now, but it seemed to help leaving it soaked with Super Clean overnight. Come back the next day with a garden hose hooked up to the water heater. Cleaned er right up!!
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Nicely Done !
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Leaving it overnight would be a good idea if you have the time. I just don't have the time to leave it overnight.
I am glad I did it. I highly recommend doing it to your truck if it is over a few years old and especially if you haven't done anything with your blow-by tube. |
is it safe to use a power washer on it?
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One on my dads 6.2 I had to. It was way worse than Marines rad. It didn't damage any tubes or fins. Have to be extra careful around the plastic I imagine, older ones were metal, so I didn't hold back.
Bill |
I suppose it depends on the pressure washer. If you kept the nozzle far enough away It would be ok.
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Yeah, the ones that will eat a hole through 6" on concrete for example.
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i work on farm equipment and i pressure wash all radiators i touch. set pressure washer to 500-1000 psi, use a 10-25 degree nozzle and stay generaly pointed square to the surface so u dont bend the fins. usualy takes a couple hrs to get a bad one perfect but well worth the effort. can go from seriously overheating over nothin to billowin black all day and never movin the temp gauge
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I'm wonderign what that radiator looks like on the inside though? If it was that bad, I'm not sure cleaning the outside will do much. :humm:
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