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Carver 280 overheating
- Ricky mason
- Scurvy Dog
- Posts: 15
- Joined: July 15th, 2018, 1:20 pm
- Vessel Info: Carver 280 -7.3ltr V8 turbo diesel
- Location: England
- Has thanked: 12 times
Carver 280 overheating
- Ricky mason
- Scurvy Dog
- Posts: 15
- Joined: July 15th, 2018, 1:20 pm
- Vessel Info: Carver 280 -7.3ltr V8 turbo diesel
- Location: England
- Has thanked: 12 times
Re: Carver 280 overheating
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- CYO Supporter
- Posts: 5799
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 431 times
- Been thanked: 1586 times
Re: Carver 280 overheating
I'm assuming the seacock is open and that the intake hoses are in good shape; not collapsed or kinked. Did you lubricate the impeller and housing before installing it into the pump? Are you sure you got ALL the broken impeller pieces out? The best way to tell is to try and fit the pieces together to see if you got them all. Sometimes they get stuck in the pump ports and can tear up a new impeller. You must also back flush the system as there are likely more pieces further down the circuit like an oil cooler or heat exchanger. It doesn't hurt to prime the hoses and pump with water first, and make sure all your hose clamps are tight so she doesn't suck air. Also, ensure that the replacement impeller is actually the correct one per engine serial number.
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- CYO Supporter
- Posts: 5799
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 431 times
- Been thanked: 1586 times
Re: Carver 280 overheating
- Ricky mason
- Scurvy Dog
- Posts: 15
- Joined: July 15th, 2018, 1:20 pm
- Vessel Info: Carver 280 -7.3ltr V8 turbo diesel
- Location: England
- Has thanked: 12 times
Re: Carver 280 overheating
Viper wrote:Source of the post That looks like the old impeller. What did the new impeller look like after it failed?
That was the new one , it ran for 45 minutes then over heated and this is what I pulled out , the first time I changed it the impeller was in the same state as the second once taken out !thank you for the reply
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- CYO Supporter
- Posts: 5799
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 431 times
- Been thanked: 1586 times
Re: Carver 280 overheating
- Ricky mason
- Scurvy Dog
- Posts: 15
- Joined: July 15th, 2018, 1:20 pm
- Vessel Info: Carver 280 -7.3ltr V8 turbo diesel
- Location: England
- Has thanked: 12 times
Re: Carver 280 overheating
Viper wrote:Source of the post Welcome aboard Ricky.
I'm assuming the seacock is open and that the intake hoses are in good shape; not collapsed or kinked. Did you lubricate the impeller and housing before installing it into the pump? Are you sure you got ALL the broken impeller pieces out? The best way to tell is to try and fit the pieces together to see if you got them all. Sometimes they get stuck in the pump ports and can tear up a new impeller. You must also back flush the system as there are likely more pieces further down the circuit like an oil cooler or heat exchanger. It doesn't hurt to prime the hoses and pump with water first, and make sure all your hose clamps are tight so she doesn't suck air. Also, ensure that the replacement impeller is actually the correct one per engine serial number.
Viper wrote:Source of the post Welcome aboard Ricky.
I'm assuming the seacock is open and that the intake hoses are in good shape; not collapsed or kinked. Did you lubricate the impeller and housing before installing it into the pump? Are you sure you got ALL the broken impeller pieces out? The best way to tell is to try and fit the pieces together to see if you got them all. Sometimes they get stuck in the pump ports and can tear up a new impeller. You must also back flush the system as there are likely more pieces further down the circuit like an oil cooler or heat exchanger. It doesn't hurt to prime the hoses and pump with water first, and make sure all your hose clamps are tight so she doesn't suck air. Also, ensure that the replacement impeller is actually the correct one per engine serial number.
Hello Thankyou for your response , yes the sea cock was open , I also removed the hose off of it while closed to check water was actually coming in and it gushed up so that was clear , the hoses all look in good shape and all clamps was tight , I am pretty sure it was all the pieces but due to not back flushing it I suppose I cannot be 100 percent sure ! Yes it was an identical replacement , perhaps I could have been more generous with lubricant too ! The second impeller was definitely more ruined than the first one I took out !
. Yes this was a spare which had been on the boat atleast 3 years budViper wrote:Source of the post Interesting. It looks to me like that one is old and brittle, and the core certaily looks like it's seen more than 45 minutes run time. Was this impeller siiting in the boat for years as a spare? If so, or on the shelf in a store/shop, they will get brittle after a while. UV does a number on them.
Viper wrote:Source of the post Interesting. It looks to me like that one is old and brittle, and the core certaily looks like it's seen more than 45 minutes run time. Was this impeller siiting in the boat for years as a spare? If so, or on the shelf in a store/shop, they will get brittle after a while. UV does a number on them.
I’m very new to this boat as inherited from granddad so any advise is welcome ☺️
- Ricky mason
- Scurvy Dog
- Posts: 15
- Joined: July 15th, 2018, 1:20 pm
- Vessel Info: Carver 280 -7.3ltr V8 turbo diesel
- Location: England
- Has thanked: 12 times
Re: Carver 280 overheating
- bud37
- Admiral
- Posts: 4676
- Joined: April 23rd, 2015, 10:22 pm
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Re: Carver 280 overheating
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- CYO Supporter
- Posts: 5799
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 431 times
- Been thanked: 1586 times
Re: Carver 280 overheating
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