Engine Bay Cleanup - JeepForum.com

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post #1 of 10 Old 05-21-2015, 11:42 AM Thread Starter
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2003 XJ Cherokee 
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Engine Bay Cleanup

Well it's that time of the year again, beautiful weather, lots of sun. So I figured what better opportunity to do some spring cleaning and I was just wondering some ways you guys use to clean your engine bays?

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post #2 of 10 Old 05-21-2015, 11:52 AM
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2001 XJ Cherokee 
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Scrubbing bubbles

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post #3 of 10 Old 05-21-2015, 01:32 PM
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I have used several different products for different engine bays in various stages of dirtiness.

Super Clean, Purple Power, or Simple Green. They all do about the same thing. I like Super Clean because its pretty cheap, and gets the job done.

Gel type engine degreaser. I like this stuff over the regular degreaser because it doesn't drip off as fast and cleans really well.

On really super greasy areas, I like to let the degreaser sit for a while. Then pressure wash (be careful of electronics and such.) Then use Super Clean, and a brush, and then the garden hose pressure to rinse. This gets things pretty damn clean.
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post #4 of 10 Old 05-27-2015, 09:06 PM
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Just sprayed the entire bay down with Gunk engine degreaser and pressure washed it. I used an electric pressure washer (pretty cool thing, and lower pressure) and was careful not to spray too long on any caps or seals. Especially brake master cylinder reservoir. But over all, looks tremendously better. Not shiny but not growing anymore...

'92 Cherokee 4L HO 4x4

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post #5 of 10 Old 05-27-2015, 10:18 PM
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scrape as much oil off as I can with a screwdriver. Degrease the block with brake clean and a brass brush then kerosene.
Dawn dish soap and water for the rest

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post #6 of 10 Old 05-28-2015, 07:53 AM
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C'mon post some before and after pics! I haven't cleaned mine in about a year when I did the spark plugs back in 14. But my process is usually an engine degreaser (napa) and simple green diluted with water....on top of it. I spray it down...give it 10 minutes... then spray it again. Then I start scrubbing with both a nasty car washing mitt I have for engines. Maybe a brush too if there are hard to reach places. I have a few different brushes, mostly house cleaning brushes (like bathroom and tub, etc) and even a toilet brush that I bought strictly for cleaning engines... don't worry it never sees inside bathroom duty, lol. Here is an after pic of my Jeep...
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post #7 of 10 Old 05-28-2015, 11:34 AM
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Did t get a before picture but it had fuzz growing on it and was black with grease. Now it pretty and none of what's there will come off even if rubbed. :/ but it's still pretty nice

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post #8 of 10 Old 06-03-2015, 12:07 AM
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Hoping to do mine tomorrow
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post #9 of 10 Old 06-03-2015, 02:41 PM
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I ment to take a before shot and forgot to. I used the gunk gel and it didn't hardley do anything to it. I then used some purple power or power purple I had laying around and it worked awesome. I'll post a picture after I go back out.
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post #10 of 10 Old 06-03-2015, 07:50 PM
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Steam gun if you have access to one will work better than anything.

Super Purple is about the best degreaser I've come across. Purple Power doesn't even come close to it.

Originally Posted by Ron Swanson
There is no such thing as bad weather. Only inadequate clothing and transportation.
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