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post #1 of 5 Old 04-02-2012 Thread Starter
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Diesel winterizing

The bene 32s5 with a volvo 2002 I'm working on was winterized by someone I have no access to.

This engine has an indirect cooling circuit with fresh water.

I noticed that the freshwater tank was empty.
This is the tank in the picture.

Have you every heard of someone winterizing a diesel and this tank ends up being empty?

You can see the tank in the upper right hand corner.
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post #2 of 5 Old 04-03-2012
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Re: Diesel winterizing

No,

But i do know some people who drain their systems entirely.

Thats the overflow or fill tank, open the radiator cap and see if there is antifreeze in there. I would suggest you flkush and replace anyway as its your cooling system and its nice to know that it is pristine. Make sure you do not flush the toxic variety into the water. There are other types to use.

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post #3 of 5 Old 04-03-2012
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Re: Diesel winterizing

It shouldn't be freshwater, but rather coolant, which is a form of anti-freeze. Therefore, if it's in good condition, it doesnt need to be drained.

I agree with Chef, that I would flush it several times. Be careful with flushing chemicals, as you could knock calcification free, which could plug passageways. If empty, I would highly consider pulling the exhaust elbow and heat exchanger to have a look and clean them up separately. Maybe replace the thermostat too.


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post #4 of 5 Old 04-03-2012 Thread Starter
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Re: Diesel winterizing

I was talking to a dock rat and he says that he has heard that some folks like to drain an engine of all coolant under the theory that if their is nothing their it can't freeze.

There is some green coolant in the bilge under the engine I need to sponge out.
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post #5 of 5 Old 04-04-2012
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Re: Diesel winterizing

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Originally Posted by davidpm View Post
There is some green coolant in the bilge under the engine I need to sponge out.
You shouldn't have coolant in the bilge. That may explain the low level in the overflow tank. You may have a leak in the coolant system.
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