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What's the best way to clean your engine?

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Old May 28, 2009 | 10:28 AM
  #31  
jasonh's Avatar
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Year: 1998
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Engine: 4.0
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I've read that Simple Green and a power washer work wonders. Haven't gotten around to trying yet though.
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Old May 28, 2009 | 10:34 AM
  #32  
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Year: 1991
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Originally Posted by jasonh
I've read that Simple Green and a power washer work wonders. Haven't gotten around to trying yet though.
That was what we did, just with the engine out. We hosed everything dirty down with Simple Green until we ran out, then used Greased Lightning. Let it sit for a bit, then powerwashed it. Worked pretty well.
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Old May 28, 2009 | 10:52 AM
  #33  
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Year: 2001
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ok. I'll do this soon and will post before and after pictures of it afterwards
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Old May 29, 2009 | 01:17 AM
  #34  
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Yep, just use a bucket of warm soapy water, then spray with a mild degreaser like Simple green or something like it, then use a sponge to wipe it all clean. then simply hose it off lightly. Do this on a regular basis and your motor will stay new looking. The harsh oven cleaners and such actually take the color out of the black plastic. Stay away from that stuff.
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Old May 29, 2009 | 01:20 AM
  #35  
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Year: 2001
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Engine: 4.0 L
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A buddy of mine used to work at a car detailing shop and they used to let the car run when they cleaned the motors. That is how I did mine like a week or so ago.
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Old May 29, 2009 | 01:27 AM
  #36  
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Year: 2000
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yeah oven cleaner bad mmkay
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Old May 29, 2009 | 01:46 AM
  #37  
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not if your planning to cook on it...
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Old May 29, 2009 | 02:13 AM
  #38  
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Year: 1996
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Don't know if you've cleaned that engine yet, but I highly recommend engine bright foam degreaser. Just spray it on, let it sit 15 min, then rinse it with a hose. I was blown away at how well that stuff works. I do it every 3 months or so now cause I like my engine looking clean.
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Old May 29, 2009 | 02:14 AM
  #39  
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Originally Posted by Dan4governor
Don't know if you've cleaned that engine yet, but I highly recommend engine bright foam degreaser. Just spray it on, let it sit 15 min, then rinse it with a hose. I was blown away at how well that stuff works. I do it every 3 months or so now cause I like my engine looking clean.
i tried this one once it worked good
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Old May 29, 2009 | 03:02 AM
  #40  
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Year: 2004
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Engine: 4.7L V8
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How bad does it leak for you to clean it every 3 months?
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Old May 29, 2009 | 08:28 AM
  #41  
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Simple Green Cleaner spray WOrks great. Spray it on let it sit for 5 min then rinse off with hose.
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Old May 30, 2009 | 04:06 AM
  #42  
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Year: 1996
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Originally Posted by ol"blue
How bad does it leak for you to clean it every 3 months?
it doesn't leak too bad, I clean it because of the dirt and dust it collects from my ram air intake.
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Old May 30, 2009 | 07:00 PM
  #43  
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Year: 1996
Model: Cherokee
Engine: 4.0l
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Well you guys will just **** hearing what I have used several times to clean the many jeep I have owned over the past 20 years. Kerosene in a spray bottle. I warm the engine shut it off and spray the entire engine compartment. You see a bit of steam from the exaust, but never had an engine fire. My uncle introduced my to this method. I thought he was crazy, but a lot of buddys in the hills of PA used this method. Heat alone does not ignite Kerosene, you need a flame to ignite it. I just use the garden hose to rinse off the kerosene after 5 to 10 minutes and all the grease and grime is removed easily. Age must be setting in since now I just warm up the engine and spray it down with a can of Gunk Engine Cleaner foam.
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Old May 30, 2009 | 07:04 PM
  #44  
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Where do you spray the cleaner> everywhere its drty? when hosing it down is it okay t oget everything wet? I magine parts like the alternator or battery is bad
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Old May 30, 2009 | 07:22 PM
  #45  
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Year: 1996
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Not really, spray the foam cleaner over every inch of the engine compartment. The battery is sealed and water will not do any damage. The alternater will take being sprayed with water, thing about it, in heavy rain the water blows though the radiator all over the alternater. Sometimes you have to wait up to 30 minutes for electrical components to dry out before the vehicle will start. I have had this happen to me twice after hosing the engine off. I just wait and my jeep starts fine.
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