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Drain and change Dex-Cool Generator Coolant

Posted: February 24th, 2021, 10:16 am
by Cliffm
Anyone drain and change their Dex-Cool Generator coolant? I have a Kohler 7.3E and the overflow tank coolant color looks more brown than orange.

Is there a drain plug or other trick to draining most of the coolant from the Generator, before topping it off with "fresh orange" Coolant.

As always, informative suggestions much appreciated.

Cliff

Re: Drain and change Dex-Cool Generator Coolant

Posted: March 1st, 2021, 9:05 am
by Cliffm
Based on input from forum member, I'm going forward with utilizing a hand transfer pump, first sucking out as much of the old coolant as I can, then reversing the pump to transfer fluid into the generator, first via the radiator cap, and then thru the "air bleed" plug hole via a poly/barb adaptor, hopefully drawing out air and stopping when I get fluid.

So far I've gathered Transfer pump via Harbor Freight, and pipe plug adapter via Ace Hardware, 50/50 DexCool coolant AutoZone.