mrsrobinson
Well-Known Member
1995 330DA Sea Ray with twin carbureted 7.4s with full system fresh water-cooling kits. Jasper Long blocks installed 09/05. Fill System San Juan Fresh Water Cooling kits installed before hour 5 on each. Fresh to brackish water use.
We are losing antifreeze, about 1-2 cups each engine per1 hour of use (cruising speed). Bilge is clean, no green antifreeze. Mechanic thought it might be the riser gaskets so they were replaced about 3-4 hours ago. Same result still losing antifreeze. This summer, after coming down from cruising speed onto plane we occasionally smelt antifreeze.
We changed the oil last week and have sent samples to Blackstone laboratories. Hoping there is no antifreeze in the oil. We ran the boat last weekend for about 30 minutes, enough to warm up the oil for the change. Changed the oil and filers and went home.
Went down today and both antifreeze reservoirs were empty. I filled them up and started both engines. I noticed a film on the water. Hard to see since our water is very brown, but it almost looked milky white. It's thin and spotty, not a lot. I put my hand in it a few times and could not smell anything.
Both engines fire up after 4-5 seconds. The port one will puff bluish smoke for a few minutes. The port one will also start steaming after about 5-10 minutes at idle speed.
Is this film on the water normal after only sitting for one week? It goes away after a few minutes of idling and it's not a lot. 2nd, what else can we look at for the source of our antifreeze leak\loss? And finally, what's the source of the blue smoke (or what should I look at). Any of these symptoms point to loosing antifreeze?
Thanks
i
We are losing antifreeze, about 1-2 cups each engine per1 hour of use (cruising speed). Bilge is clean, no green antifreeze. Mechanic thought it might be the riser gaskets so they were replaced about 3-4 hours ago. Same result still losing antifreeze. This summer, after coming down from cruising speed onto plane we occasionally smelt antifreeze.
We changed the oil last week and have sent samples to Blackstone laboratories. Hoping there is no antifreeze in the oil. We ran the boat last weekend for about 30 minutes, enough to warm up the oil for the change. Changed the oil and filers and went home.
Went down today and both antifreeze reservoirs were empty. I filled them up and started both engines. I noticed a film on the water. Hard to see since our water is very brown, but it almost looked milky white. It's thin and spotty, not a lot. I put my hand in it a few times and could not smell anything.
Both engines fire up after 4-5 seconds. The port one will puff bluish smoke for a few minutes. The port one will also start steaming after about 5-10 minutes at idle speed.
Is this film on the water normal after only sitting for one week? It goes away after a few minutes of idling and it's not a lot. 2nd, what else can we look at for the source of our antifreeze leak\loss? And finally, what's the source of the blue smoke (or what should I look at). Any of these symptoms point to loosing antifreeze?
Thanks
i