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Jason
Jason, Marine Mechanic
Category: Boat
Satisfied Customers: 10011
Experience:  Degree in Marine Technology. Gas and diesel marine mechanic.
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I have an Albin 28 with the 6LPA-DTP/DTZP diesel. Engine and

Resolved Question:

I have an Albin 28 with the 6LPA-DTP/DTZP diesel. Engine and boat have 1700 hrs. Bought used recently. Mixing elbow never changed. How do I know if need to change it now or should I just do it.
Submitted: 11 months ago.
Category: Boat
Expert:  Jason replied 11 months ago.

Hello, my name is XXXXX XXXXX I will be helping you today.

What you do is measure the temperature of it with an IR temp gun after the boat has had a good run. As they clog up, they no longer properly cool. On a diesel engine, you do not want to see anything any hotter than about 180F. If that elbow is 180F or hotter, it needs to come off and be inspected, which really means replace it. But if temps are under the 180F, then it is cooling properly, but it would still be a good idea to pull it and inspect the surfaces that the gasket sits on. As the elbow rots, the surface area gets thinner and thinner. Eventually it rots away completely and seawater will dump down the exhaust and into the engine. What you want to see is a good solid 1/4 inch or thicker on the gasket surface areas. If its any thinner than that, the elbow should be replaced.

Does that make sense? Did you have any further questions on this, or require more detail?

Jason, Marine Mechanic
Category: Boat
Satisfied Customers: 10011
Experience: Degree in Marine Technology. Gas and diesel marine mechanic.
Jason and other Boat Specialists are ready to help you
Customer: replied 11 months ago.

decided to replace elbows what should this cost

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