Cleaning under the hood.
09-08-2009, 12:37 PM
#11
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I used to do this to my 97 BMW (328i), the engine bay looked like new when I sold it with 230,000KM (and bought my JK 
)
Always comes out looking like new!
)- Light spray with water (helps the de-greaser spread around)
- Spray down with de-greaser of choice (I use Gunk brand) and let sit for a few minutes
- Spray down with water, taking care of the items previously mentioned (air intake, electricals, etc...)
- While still wet I'd give the bay a generous spray down with Armor All
- Finally I'd let the motor heat up about half way on the temp guage to get the moisture out and let the Armour All dry evenly
Always comes out looking like new!
Last edited by Atticka; 09-08-2009 at 12:40 PM.
09-08-2009, 12:41 PM
#12
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I used to do this to my 97 BMW (328i), the engine bay looked like new when I sold it with 230,000KM (and bought my JK )
L
Always comes out looking like new!
)L
- ight spray with water (helps the de-greaser spread around)
- Spray down with de-greaser of choice (I use Gunk brand) and let sit for a few minutes
- Spray down with water, taking care of the items previously mentioned (air intake, electricals, etc...)
- While still wet I'd give the bay a generous spray down with Armor All
- Finally I'd let the motor heat up about half way on the temp guage to get the moisture out and let the Armour All dry evenly
Always comes out looking like new!
09-08-2009, 12:48 PM
#13
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It did for me on the BMW, mind you I wasn't off road much in that car 
If you have a decent amount of mud or dust you may want to give it a better initial wet down to get the bulk of the grit out. The de-greaser and Armor All is the finishing touch to give it a shine.
If you have a decent amount of mud or dust you may want to give it a better initial wet down to get the bulk of the grit out. The de-greaser and Armor All is the finishing touch to give it a shine.
09-14-2009, 01:07 PM
#15
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Simple green
I echo the previous post...
1. First cover Air box and Fuse box with plastic bags, sheeting or whatever you got.
2. Spray engine area liberally with Simple Green and let it dry (this breaks down the mud -you'll be amazed)...
3. Hose down the engine (while not running)...
4. Repeat 1-3
5. Scrub with a dish scrubby or brush where elbow grease is needed.
6. Hose down the engine again, then Let it dry.
7. I put a big electric fan blowing on the engine to promote airflow and get it to dry quicker... you can also make sure you are in the sun...
8. Remove plastic and double-check that no water got in either area.
9. Start the JK and let it run for awhile to dry up with engine heat.
The downside is, you never really get it all 100% clean (it's an engine, after all)...
The upside is your engine will smell really minty/ pine scented!
1. First cover Air box and Fuse box with plastic bags, sheeting or whatever you got.
2. Spray engine area liberally with Simple Green and let it dry (this breaks down the mud -you'll be amazed)...
3. Hose down the engine (while not running)...
4. Repeat 1-3
5. Scrub with a dish scrubby or brush where elbow grease is needed.
6. Hose down the engine again, then Let it dry.
7. I put a big electric fan blowing on the engine to promote airflow and get it to dry quicker... you can also make sure you are in the sun...
8. Remove plastic and double-check that no water got in either area.
9. Start the JK and let it run for awhile to dry up with engine heat.
The downside is, you never really get it all 100% clean (it's an engine, after all)...
The upside is your engine will smell really minty/ pine scented!
09-14-2009, 06:01 PM
#16
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Spray down with Simple Green , wait 5min, hose off. Careful around electronics and air intake, cover intake with a plastic bag or something. I do not put WD-40 or armor all on any of it.
09-15-2009, 08:42 AM
#17
JK Super Freak
Not to sound like a girl or a newb (2 things I am) but why would you want to clean under the hood? Does it serve a function? I have never cleaned under the hood of any of my vehicles and I never thought jeep owners cared about that. I thought only show cars cleaned up for shows. Well okay I have cleaned out the leaves and pine needles so maybe I have done some light cleaning on my vehicles before.
08-17-2011, 02:26 PM
#18
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Originally Posted by JEEP THRILLS
believe it or not a clean engine runs better. a light coating of dust will slightly insulate and eventually the dirt gets into places it shouldn't like alternators and wirring connectors. if using a pressure washer stay back 3-4 feet and away from the air box. i would worry about covering anything what do you guys think is happenning under the hood when you drive down the highway in a rain storm. no one wants to get out in the rain but check it out next time...............suprise every thing is wet