Thread: Changing coolant MSX 150
04-10-2012, 02:12 PM #1
Changing coolant MSX 150
So when I bought the ski it looks like someone put the green antifreeze in the coolant loop. I want to switch it back to the safe pink propylene glycol. Does anyone have any suggestions on how to do this effectively? Any help in the matter would be greatly appreciated.
04-10-2012, 03:55 PM #2
- Join Date
- Apr 2006
- panama city beach 'fl
if you what to change back over to dexcool you will have flush system with fresh water and then dexcool DO NOT MIX BOTH
04-10-2012, 06:36 PM #3
Yea I was planning on doing that, but what I was mainly asking is whe is the best place to drain the coolant from and where is the best place to add water to flush the system out from?
04-11-2012, 06:33 AM #4
- Join Date
- Jan 2007
I believe the manual says to disconnect the lower hose of the coolant bottle and drop it to the bottom of the hull and let it drain out the back. Then you would either refill with green coolant or refill with water a couple time to flush it out.
04-11-2012, 11:11 AM #5
- Join Date
- Apr 2012
Engine Coolant Change Procedure
1. Remove the hose that connects the coolant expansion
tank the water pump cover. The engine coolant will
drain into the engine compartment bilge.
2. Re--attach the hose. Open the two hull bilge plugs.
Place two containers directly under the bilge plugs.
3. Carefully lift the front of the boat to about 15 degrees
up. Allow all of the coolant to exit the engine
4. Flush the bilge with clean water, and secure bilge
5. Obtain new engine coolant, and slowly fill the
expansion tank to theMAX mark. Allow the system to
purge the air out of the circuits. (Level will go down
over short period of time.)
6. Repeat process two to three times. Never fill level
above MAX mark.
NOTE: The coolant level will drop after the first several operation cycles.
04-13-2012, 01:16 PM #6
change as above. a tip for draining is to release the oil tank clamp, so you can unscrew the two bolts and remove the coolant expansion tank (this can help to get at hose at the bottom of the coolant tank.
i then undo the top hose on coolant tank, blow threw it first, then flush water threw the small pipe (low pressure).
make sure you rinse inside hull.
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