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Coolant flush or coolant drain? 200

posted by  Volvodad on  Thu Jan 15 17:54 CST 2004
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last visit: Thu Oct 23 16:18 CST 2014
[RELATED]

I drain the system as described by rcsammy, but then splice a flush tee into the upper heater hose at the firewall and attach the garden hose to this. Heater valve at "max" throughout. Flush until it runs clear. Button everything up, add a jug of Prestone rad flush and fill with plain water. Run the engine 10-15 minutes - again, with the heater valve at max. Then drain and flush and drain again. Put in 1/2 the system capacity of pure antifreeze and fill up with distilled water. Check for leaks. Do this every two years. Got 20 years out of our 83's rad that way before it needed rodding out.
--
Bob (81-244GL B21F, 83-244DL B23F, 94-944 B230FD plus grocery-getter Dodge minivan, MGB, and numerous old motorcycles)






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