engine degreaser
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Many folks just use something like simple green and low pressure water. No matter what you use, the key is not to use high pressure water to rinse things off where it might get into anything electrical. (there's a lot of electrical stuff under the hood).
Generally speaking, when using low pressure water it's a good idea to cover the alternator and power steering reservoir. Also try to keep from directing the water at the UVCH, 42 pin connector, or any other electrical plug. If you have an open air filter, cover that too.
Otherwise, remember a warm engine tends to help the cleaner break down the grease, but a hot engine isn't something you want to squirt cold water on.
Generally speaking, when using low pressure water it's a good idea to cover the alternator and power steering reservoir. Also try to keep from directing the water at the UVCH, 42 pin connector, or any other electrical plug. If you have an open air filter, cover that too.
Otherwise, remember a warm engine tends to help the cleaner break down the grease, but a hot engine isn't something you want to squirt cold water on.
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More Turbo
Joined: Jun 2010
Posts: 546
Likes: 1
From: reedsport
Many folks just use something like simple green and low pressure water. No matter what you use, the key is not to use high pressure water to rinse things off where it might get into anything electrical. (there's a lot of electrical stuff under the hood).
Generally speaking, when using low pressure water it's a good idea to cover the alternator and power steering reservoir. Also try to keep from directing the water at the UVCH, 42 pin connector, or any other electrical plug. If you have an open air filter, cover that too.
Otherwise, remember a warm engine tends to help the cleaner break down the grease, but a hot engine isn't something you want to squirt cold water on.
Generally speaking, when using low pressure water it's a good idea to cover the alternator and power steering reservoir. Also try to keep from directing the water at the UVCH, 42 pin connector, or any other electrical plug. If you have an open air filter, cover that too.
Otherwise, remember a warm engine tends to help the cleaner break down the grease, but a hot engine isn't something you want to squirt cold water on.
Elder User
Joined: Nov 2012
Posts: 642
Likes: 0
From: Onlsow, NC
What he said. Simple Green is something i use quite a bit of to clean nearly everything. from the engine valley, to the intake and intercooler boots, or any other bolt on, such as the starter, fuel bowl ect.... I will use brake cleaner to deep clean and remove any residue afterwards for something like the fuel bowl, transmission pan, and so on.
Can you be a little more specific as to what you are using and what you are trying to accomplish?
Can you be a little more specific as to what you are using and what you are trying to accomplish?
Fleet Mechanic
Joined: Jul 2011
Posts: 1,667
Likes: 5
I compared some commercial cleaners & Simple Green performed about as good as any,what worked best was let it soak 15 minutes before rinsing & repeat as needed.starting out with warm not hot engine like mentioned would help.
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FTE-Spread The Knowledge
Joined: Feb 2008
Posts: 2,285
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Did you use the Simple Green concentrate? If so, how much did you dilute it? Is the Simple Green lemon scented just as good? Nothing like a lemon scented turbo!
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Logistics Pro
Joined: Nov 2006
Posts: 3,674
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From: Fallon,NV & Bainbridge OH
I use purple cleaner or Gunk and a pressure washer (3000 psi) or my Hotsy hot water pressure washer (1200 psi). I never cover any anything and I also don't dwell on electrical components and fluid caps. Never had any problems.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Most people that use a pressure washer don't have any problems...... until that one day that they do. The question really is, what PSI is that little rubber seal or gasket rated at? And how many times can it be subjected to high pressure water before it fails?
Logistics Pro
Joined: Nov 2006
Posts: 3,674
Likes: 367
From: Fallon,NV & Bainbridge OH
I hear you but like I said I don't concentrate on areas that can cause issues. In the Corps I was a heavy equipment mechanic and everything got a good pressure washing. Might be a bad learned habit but I have been lucky for 30+ years so far. I will keep pushing my luck and hope for the best.
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