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Old 30-05-2013, 08:50   #1
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Cleaning an Engine

I would like to clean my engine, outside surfaces. I have wiped it down with paper towels and now would like to get more of the grease and oil off. What is the best way to do this without causing a bigger mess in the rest of the boat?
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Old 30-05-2013, 09:07   #2
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Re: Cleaning an engine

Spritz bottle engine cleaner. An old toothbrush is great for crevices. Put absorbent pads under the engine for drips. Then wipe with heavy duty paper towels or cloth rags.
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Old 30-05-2013, 09:09   #3
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Re: Cleaning an engine

Skewers and q tips also work good for crevices with Wd 40
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Old 30-05-2013, 09:39   #4
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Re: Cleaning an engine

If it's really greasy/oily the spray degreaser found in auto parts stores works amazing. In a boat I would put a couple of oil zorb sheets below the engine to catch drips, spray an area and wipe thoroughly. It loosens hard black residue fast. The goo just runs right off...
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Old 30-05-2013, 09:50   #5
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Re: Cleaning an engine

Gunk...from any auto parts store. In most cases all of it washes off with the pressure from a garden hose, after letting the Gunk soak for a while.
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Old 30-05-2013, 09:56   #6
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Re: Cleaning an engine

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Gunk...from any auto parts store. In most cases all of it washes off with the pressure from a garden hose, after letting the Gunk soak for a while.
Yeah, I would have said that, but I imagine a lot of people would panic spraying their engine with water or dealing with the bilge residue!
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Old 30-05-2013, 10:16   #7
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Just mist some degreaser over the engine and let it work for an hour. Then come back and spray a little part again and buff it with a rag. Then on to next little part etc. I would hope there's a fluid catcher/pan under the engine but if there isn't, some absorbing pads would help yes.

When that is finished, I search for damaged paint or rusty spots: sand, prime with naval jelly, clean with moist cloth, dry, spray paint with can.

When I am done with all that, I follow up with Boeshield T9 and clean rags: spray and buff part by part until done.

Yes it is a lot of work and yes it extends the life of the engine and makes mauntaining it a pleasure instead of a chore.
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Old 30-05-2013, 13:05   #8
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Re: Cleaning an engine

Thanks, Jedi.
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Old 30-05-2013, 13:06   #9
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Re: Cleaning an engine

I just did this project this winter. I did a post on my blog about it.

Before


After



I used Gunk, as suggested by others, but most of it I did by spraying the Gunk on a microfiber cloth then wiping down the engine part I was working on.

For the hard to reach places I used wooden Q-tips, tooth brushes and other things to get into the crevices. But in the end, I ended up spraying a small amount of the Gunk onto those areas, letting it sit for about an hour and then spraying it down with a garden sprayer filled with water. The garden sprayer helped to control the amount of water used.

I have a seperate engine bilge without a bilge pump so I didn't have to worry about pumping the water overboard. If that was a concern, I would just turn off the bilge and after the washdown, use a shop vac to empty the bilge.

Good luck and fair winds,

Jesse
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Old 30-05-2013, 15:10   #10
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Re: Cleaning an engine

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I have a seperate engine bilge without a bilge pump so I didn't have to worry about pumping the water overboard. If that was a concern, I would just turn off the bilge and after the washdown, use a shop vac to empty the bilge.

Good luck and fair winds,

Jesse
Be very careful using a shop vac to suck up petroleum based products. A friend found that not all shop vac's have ignition protected motors. He was pumping out a bilge that had some oil additive floating on the surface. When he sucked the additive into the shop vac it ignited and blew out the side of the vac dumping a lot of bilge water onto the cabin sole. Not dangerous but very messy.

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Old 02-06-2013, 02:24   #11
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Re: Cleaning an engine

Hi everyone, is it okay to wash my volvo penta heat exchanger in white vinegar? The inside looks like its made from bronze. .
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Old 02-06-2013, 02:50   #12
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Re: Cleaning an engine

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Hi everyone, is it okay to wash my volvo penta heat exchanger in white vinegar? The inside looks like its made from bronze. .
If you are intending to de-scale the heat exchanger, a proprietary kitchen de-scaling product will attack the lime-scale before the bronze; should be no problem as long as you keep an eye on it and don't leave it soaking more than 12 hours at first attempt. Best to ask a Volvo engineer first though.
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Old 02-06-2013, 03:18   #13
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Re: Cleaning an engine

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Hi everyone, is it okay to wash my volvo penta heat exchanger in white vinegar? The inside looks like its made from bronze. .
I used to put mine and a few other bits in a dish washer to start with, just don't let SWMBO catch you.

Absorbent pads are expensive, use disposable nappies.

Pete
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Old 02-06-2013, 03:22   #14
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Re: Cleaning an engine

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I used to put mine and a few other bits in a dish washer to start with, just don't let SWMBO catch you.

Absorbent pads are expensive, use disposable nappies.

Pete

I got caught, it was not very pleasant
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Old 11-06-2013, 02:34   #15
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Thanks Pete, in all seriousness, I value my marriage, so using the dish washer won't be a risk I'm willing to take. Many years ago, gee 30 odd years now, my wife came home to me heating up a bearing in oil on the stove top. It is still raised when ever I bring something inside to clean or do anything with...
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