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Old 10-03-2020, 10:44 PM   #1
BrandonKastning
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Wrench 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

Hey everyone!

I purchased the upper radiator hose and the lower radiator hose. However when reading the Factory Service Manual; it mentions the Head Degas hose (which of course I didn't end up getting, DOH!)

Can I drain the coolant by replacing/pulling the Upper Radiator Hose? Prepping to change my Water Pump before the Snow

Thanks in advance!

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Last edited by BrandonKastning; 10-03-2020 at 10:45 PM. Reason: forgot a few things :)
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Old 10-04-2020, 07:23 AM   #2
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Default Re: 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

Since there is this thing called gravity water runs down not up. Pull the bottom hose or use the drain plug on the radiator.
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Old 10-04-2020, 08:34 AM   #3
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Thumbs Up Re: 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

Quote:
Originally Posted by Dsaturn View Post
Since there is this thing called gravity water runs down not up. Pull the bottom hose or use the drain plug on the radiator.
Dsaturn,

Thank you! Bottom hose will work and a drain plug on the radiator! 10-4!

Cheers!

Best Regards,

~ Brandon

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Old 10-04-2020, 09:53 AM   #4
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Default Re: 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

I'm not sure the entire contents of the engine coolant jacket will be emptied merely by disconnecting the bottom hose and most 20 year old radiators don't have a working drain. You could take it to an oil change place that flushes the coolant system, but then you stand the chance of screwing the thermostat and getting to and changing the thermostat requires removing the entire top of the engine and all intake manifold(s) which is exactly what you would need to do to replace the valve cover gaskets. So start there.
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Old 10-04-2020, 10:05 AM   #5
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Default Re: 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

I agree with pulling the bottom hose or opening the drain plug. My experience has been that i needed to drain the radiator, fill with water, warm the car up, drain the radiator again. Did this 3 times before there was no trace of coolant left in the system.
I used the radiator drain as i replaced I with a new one at the start of this process.
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Old 10-04-2020, 10:11 AM   #6
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Default Re: 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

Hey Brandon,

Just curious if you were going to replace the timing belt at the same time you are replacing the water pump.

Ernesto
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Old 10-04-2020, 11:31 AM   #7
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Thumbs Up Re: 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

Quote:
Originally Posted by lrbraner View Post
I agree with pulling the bottom hose or opening the drain plug. My experience has been that i needed to drain the radiator, fill with water, warm the car up, drain the radiator again. Did this 3 times before there was no trace of coolant left in the system.
I used the radiator drain as i replaced I with a new one at the start of this process.
lbraner,

I appreciate the re-affirmation and your method of flushing. I will also do the same thing now that it's been mentioned! Much appreciated!

Best Regards,

~ Brandon

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Old 10-04-2020, 11:35 AM   #8
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Thumbs Up Re: 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

Quote:
Originally Posted by ernesto rex View Post
Hey Brandon,

Just curious if you were going to replace the timing belt at the same time you are replacing the water pump.

Ernesto
ernesto rex,

Yes sir,

I will be replacing the timing belt, the timing belt tensioner, and both pulleys; at the same time I also will be replacing the camshaft seals and the crankshaft seal. (I will take pictures of my work - win or lose) and post here as usual.

I just needed to know exactly how to drain the engine properly per experts here on saturnfans.com.

Dsaturn and lbraner have helped tremendously on this thread as usual.

Best Regards,

~ Brandon
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Last edited by BrandonKastning; 10-04-2020 at 11:36 AM. Reason: added some things
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Old 10-07-2020, 11:49 PM   #9
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Thumbs Up [SOLVED] 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

[SOLVED] 2001 Saturn L300 - v6 3.0 Liter - Draining The Radiator Fluid / Coolant

Thanks everyone! I used the radiator p plug to drain my coolant. I didn't have a small little hose to fit over the plastic outpouring piece; I tried to make a large one to run off into a jug; and that failed. I ended up just filling up when it was draining over the oil catch rail/bar/jack-mount-area.

Best Regards

~ Brandon
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