Coolant Flush

mlhconsultants · Post by **mlhconsultants** » Wed Jun 17, 2020 12:31 am

I recently bought 2001Goldwing 1800. I was trying to do a coolant flush. I removed the bottom plug and nothing came out. I check the radiator cap and it shows full with fluid. Any idea what's going on?

tfdeputydawg · Post by **tfdeputydawg** » Wed Jun 17, 2020 2:16 am

Was the engine warm and did you leave the radiator cap off

Ghostman · Post by **Ghostman** » Wed Jun 17, 2020 7:12 am

Sometimes the drain gets clogged especially if its been a long time in between coolant changes..

keithg64 · Post by **keithg64** » Wed Jun 17, 2020 8:25 am

Yes, you can use a short piece of coat hanger to brake away any hard deposits. And are you absolutely sure you pulled the drain plug ?

mlhconsultants · Post by **mlhconsultants** » Wed Jun 17, 2020 1:02 pm

tfdeputydawg wrote: ↑Wed Jun 17, 2020 2:16 am Was the engine warm and did you leave the radiator cap off

Engine was not warm, I was trying to do it when I first got home so it was cold.

mlhconsultants · Post by **mlhconsultants** » Wed Jun 17, 2020 1:09 pm

keithg64 wrote: ↑Wed Jun 17, 2020 8:25 am Yes, you can use a short piece of coat hanger to brake away any hard deposits. And are you absolutely sure you pulled the drain plug ?

I found the right plug its a 8mm bolt correct right near the oil filter almost hidden. I was figuring clogged as well. So I just put the plug back on. I guess I need to try the coat hanger. I just got the back so I was trying to do the basics that are simple to do. I went from a 1987 1200 to a 2001 1800.

mlhconsultants · Post by **mlhconsultants** » Wed Jun 17, 2020 1:11 pm

tfdeputydawg wrote: ↑Wed Jun 17, 2020 2:16 am Was the engine warm and did you leave the radiator cap off

Engine was not warm and yes I removed the cap. It was very dry no moisture at all. I kept thinking maybe I have the wrong plug but I checked several videos and it appears to be it. The bike is running temp and halfway mark. It has not overheated or anything since I picked it up a couple weeks ago.

keithg64 · Post by **keithg64** » Wed Jun 17, 2020 2:07 pm

Maybe this will help.

https://www.pbase.com/fredharmon/coolant

mlhconsultants · Post by **mlhconsultants** » Thu Jun 18, 2020 12:57 pm

Thanks this is pretty much all the steps I followed. Maybe it's clogged at the bottom like one person said. I will try again. I'm going to the dealer today so I will ask the tech there for a tip as well.

Asphaltmaniac · Post by **Asphaltmaniac** » Sat Jun 20, 2020 1:07 pm

Could be the rather small drain hose is so old its swelled up closed inside? Those hoses are also in the vicinity of the exhaust manifold. Replaced my 06's a few years back and they were mighty CRISPY.

Coolant Flush

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