[DMCForum] Re: Coolant change help

["thebrave65" <johnnysher1@xxxxxxx>]

I just recently flushed my system and wanted to remove those plugs as 
well.  Problem is, I have the tool, but it wouldn't reach.  So they 
stayed where they were!

If you flush through the hose coming off of the top of the header 
bottle, it will clear out the system as you described.  Then just 
flush it the other direction using the upper hose on the engine.

If you don't want to remove the lower radiator hose, it might take 
you a while to get the system totally washed out.  That hose makes 
short time to drain it.

It took me 16 days of off and on work to finish mine but I also 
installed a brass radiator and replaced all hoses under the car too.

Be VERY careful running the car to help flush it.  It's better to 
have to flush twice than to replace your block.

Also, when you pressure test, (hopefully you will), it's an ideal 
time to get the air out of the radiator using the small bleed hose 
while the anti-freeze is cold.  Just don't pump it up to it's full 15 
pound capacity or you'll give yourself the biggest coolant bath you 
ever had.  (Speaking from experience).

Johnny
5518


> I want to change my coolant and was having problems trying to 
unscrew 
> the engine plugs. I am also leery of taking off the rad hoses (done 
> it before) because the connectors are plastic and there is very 
> little play in the hoses to get them free.
> 
> I have a bleeder bypass installed at the water pump bleeder valve, 
> which T's into the small hose going to the coolant bottle. I was 
> thinking of disconnecting this hose at the coolant bottle and 
> extending the hose to the outside of the engine compartment. When 
the 
> engine is started and the thermostat opens the old coolant should 
run 
> out that hose. While this is happening I was going to keep adding 
de-
> ionized water to the coolant bottle until the runoff from the hose 
> was clear. Then add antifreeze and test the concentration to make 
> sure it has the right proportions.
> 
> I know this will take some time, but after trying other methods 
> before, it would be a lot quicker and cleaner than spending part of 
> the afternoon playing with rad hoses and trying to get engine plugs 
> out.
> 
> Does this method make any sense and will it work or totally screw 
> things up (yes I plan on watching everything carefully including 
the 
> temp gauge)
> 
> Mike
> #17084

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