changing coolant - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 4 (permalink) Old 06-21-2011, 07:40 PM Thread Starter
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changing coolant

Is there an easyer way to change the coolant that to remove all the drain bolts and the over flow tank then fill it back up and have to take the tank of to get to the bleeder valve? Or is that just what im going to have to do. I never have done it before so any adivce would be great.
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post #2 of 4 (permalink) Old 06-21-2011, 08:39 PM
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Here`s a link to Harvey birdman`s coolant change thread with pictures:
https://www.vn750.com/forum/showthread.php?t=6116

I believe he bled the air out w/o removing the fuel tank.

Hope this helps.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

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post #3 of 4 (permalink) Old 06-21-2011, 11:19 PM
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I think that the answer might depend on what shape the existing coolant is in. I changed mine last fall, even though the stuff in the radiator looked good as new. However, it was over 3 years old and time to go. So, I only removed the drain plug on the bottom of the engine case. Tilted and rocked the bike a bit to try and get most of it out. I figured that the little that was left would do much harm and it has not.

Now, if the existing coolant were all brown and nasty, then I would have opened all the drain plugs and flushed it well to make sure that I got it all out.

You decide what's need for your situation.

Also, bleeding does not require removal of the gas tank. The bleeder is easily reached from the front. Tip: attach a clear bleeding hose to the bleeder, loop it straight up and then down into a bucket. It will prevent coolant from running down the engine/bike and give a clear indication when then system is free of air. Just look for the coolant to extend above the bleeder when open. Reach in with rag and pinch it when you pull it off to catch the last bit of coolant.


Chris Glennon - Portland, OR
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post #4 of 4 (permalink) Old 06-22-2011, 02:40 PM Thread Starter
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thanks guys thats good news seeing as i dont think my apartment would really like me to tear into tthe bike in the parking lot
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