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Old 08-20-2008, 08:25 PM   #4
jeffcoslacker
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Re: 1997 chevy lumina coolant flush

Quote:
Originally Posted by cfrank2
If there is a special bleeding procedure for this car, then no i dont know. So it would be safe to just put straight dexcool in the radiator and let it mix with the distilled water in the block to get a 50/50 mix?
That's how I'd do it. Your results may vary If your mix tests a little strong, just let a pint or so out and replace with water. I think it will be fine though.

You have to have both bleeders open when filling, one on the thermostat housing, one above the water pump at the bypass pipe. Close them, let it run about10 minutes while watching the gauge. Shut it off once the radiator gets warmed up nice, then let sit for an hour or so, until the pressure goes away.

Then refill with bleeders open again, close it up and take a drive, watching the gauge.

There's other methods, I just find that works best for me.
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