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Thread: Replacing coolant/ ECT code
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07-22-2021, 08:02 PM #1
Replacing coolant/ ECT code
Hey all. So I’ve had a code come up recently that some of you are familiar with
ECT higher than expected stage 1 and then stage 2
Engine temps did rise a bit but after driving at around 1k rpms temps settled down.
I recently replaced the impeller so I’m going to check on that
Just cleared the sea strainer and will check the actual water intake on bottom of hull
No leaks in bilge or engine bay so that’s at least a good sign
Besides what I listed above I’m thinking I might be low in coolant or might have a slow leak somewhere. This boat was purchased as a consignment boat in amazing condition but perhaps the dealer missed something or didn’t replace the coolant prior to delivery? (I know indmar suggests every 2 years. Boat was shipped from TX to NC).
Any help would be appreciated. I would hate to have to take to dealer in the middle of summer.
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07-22-2021, 08:03 PM #2
Forgot my main question….where is the coolant tank to check level. I’m still learning my way around this engine. Thanks!
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07-22-2021, 08:21 PM #32018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold
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07-22-2021, 08:23 PM #4
Also, if it has heaters, check the pump. Dealer wouldn't just change the coolant unless the seller wanted to pay to have it done. It is every 300 hours in the manual, it breaks down when all services are needed.
2018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold
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07-22-2021, 08:29 PM #5
If you have the heater option, check the hose clamps as they are frequently loose from the factory and can slowly leak.
Sent from my iPhone using Tapatalk2021 Supra SA 400
2018 Supra SA 400 (SOLD)
Michigan
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07-22-2021, 08:30 PM #6
Got the manual.
We do have a Heater so I’ll check those connections.
Purchased the boat with 328 hours so you’re probably right.
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07-22-2021, 11:09 PM #7Senior Member
- Join Date
- Oct 2016
- Location
- Tims Ford Lake TN
- Posts
- 453
2016 Mojo Surf
Raptor 400
1100 rear bags / 500 IBS / 600 LeadWake
Exile amps/tower - Kicker in-boat
FAE
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07-23-2021, 06:16 AM #82018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold
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07-23-2021, 08:52 AM #9
I had this same issue last summer. The coolant reservoir is right at the top of the engine on your left hand side if you are facing the stern. I had to refill after every couple of hours of run time. We had it into the dealer and they couldn’t find the problem the first time. I couldn’t find a leak as well, but the problem continued and we had to refill every few hours of engine run time. We brought it back to the dealer and they were able to find the issue. I’ll try to search my service records when I get back to home base to see what the exact problem was, but I know it was something to do with the heaters.
2021 Supra SA 400
2018 Moomba Max - Wakemakers upgrade ballast kit (Sold)
2005 Four Winns 170 Horizon (Sold)
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07-23-2021, 10:11 AM #10