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Old 12-18-2017, 10:19 AM   #1 (permalink)
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Circulating tank block heater maintenance

I went about flushing the radiator core on my Mirage this weekend, and at the same time I was going to install my Kats 1000W block heater that I had on my Chevy Metro. The heater is absolutely wonderful and warmed up the engine coolant in about a half hour on the Metro.

I grabbed the heater and pulled off the hoses. This is what I found. There were signs that it had been leaking a little, and the clamp was not nearly as tight as it should have been. You really do need to check these clamps and re-tighten them after a week or two because I know I put that sucker on tight. I assume its the heat cycling that does it.

In any case, I took it apart and cleaned it up. This is what is inside for those who wondered. I know I did.

And its all cleaned up and ready to go into the Mirage now.

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Current project: A better alternator delete
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Old 12-18-2017, 11:54 AM   #2 (permalink)
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On a related note, core plug heaters can need maintenance on their cords, on both ends. In the past I have had to shine the tarnish off the contacts on each end of the cord with steel wool; on the engine side I used di-electric grease to keep from having to crawl under there again for that and on the plug-in end I use a bit of WD-40 but one could easily get away with using nothing because access is easy and the steel wool bit takes only seconds.

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Old 12-18-2017, 12:22 PM   #3 (permalink)
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This is why I make mine out of welded stainless.

1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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