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Old 04-21-2016, 02:35 PM
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how to clean engine bay?

Mine is dusty and filthy. What do I need to wrap up before hosing it down?


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  #2  
Old 04-21-2016, 03:32 PM
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Re: how to clean engine bay?

I just go to self car wash and spray it off then go home and wipe it down.
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Old 04-21-2016, 07:12 PM
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Re: how to clean engine bay?

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Old 04-21-2016, 08:56 PM
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Re: how to clean engine bay?

No bagging the connectors to make sure there are no issues???
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Old 04-21-2016, 09:39 PM
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Re: how to clean engine bay?

It looks quite clean to me from that picture I would just wipe it out with a damp cloth to clean the dust. I think that most jeep dealers offer engine bay cleaning for about $150.

You might want to be real careful spraying water directly to the engine...I would not risk doing it if it is a new car...
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Old 04-21-2016, 10:07 PM
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how to clean engine bay?

I actually just did my engine this past weekend. All I used was Meguiars Super degreaser (diluted 4:1), a small agitating brush, some microfiber towels and my small shop vac with horse hair attachment. Comes out better than the day I picked up up every time. Usually takes me about 30-40 minutes.




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Old 04-22-2016, 07:41 PM
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Re: how to clean engine bay?

Here's what I've done for over 20 years years with no ill effects and great results:

- On a warm engine (not hot) lightly mist water all over to get loose dirt off.
- Using a soft brush and a bucket of car wash suds, lightly scrub the engine cover and other areas. Try to stay away from your alternator and spark plug wires.
- Use a wash mitt or similar to get other areas, like the fender to hood mating surfaces.
- Lightly rinse off.
- Blot dry with towel(s).
- (Optional) Spray Armor All or similar protectant/dressing over engine, hoses, etc, but stay away from alternator and accessory belts. Blot dry excess as you prefer.

I do this about twice a year, and it only takes about 20 minutes.
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Old 04-25-2016, 10:01 PM
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Re: how to clean engine bay?

Just drive through a big puddle really fast.
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Old 04-25-2016, 10:54 PM
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Re: how to clean engine bay?

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Originally Posted by farmerbrake View Post
Just drive through a big puddle really fast.
I think that's one of the reasons why mine is so dirty, lol. I also think the Mopar quick express is dripping oil on my engine cover with the filter.
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Old 04-27-2016, 09:08 AM
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Re: how to clean engine bay?

I bag the electrical area just behind the radiator reservoir. Other than that, I just use soapy water and a rag. If it is really bad I use Dawn instead of car wash soap. You are not supposed to use high pressure water to rinse so I just use the dog wash nozzle on the hose.
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Old 04-27-2016, 09:36 AM
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Re: how to clean engine bay?

I was always taught to wrap the alternator in foil and cover any other potential wiring or intake areas you may not want blasted with water, the use spray "GUNK" engine degreaser all over...let sit for 15 min then hose off with reasonable pressure. Start vehicle and let dry out...
You won't believe how much dirt and stuff this gets off. Only do this every year to 18 months, but really cleans it up nice with no residue and gets to places you could never get to brush wise, etc...
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Old 05-04-2016, 11:36 AM
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Re: how to clean engine bay?

Quote:
Originally Posted by CHALLENGERBIZJET View Post
No bagging the connectors to make sure there are no issues???
Other than the air filter, there's nothing under the hood that can't get wet. Otherwise, things would fail every time you went through a deep puddle.

As long as nothing is broken (such as a cracked coil housing or a broken fuse box), the only thing you might want to do is put a baggie over the air intake. Once you do that, spray away. They build pretty much everything to be weatherproof.

Contrary to what most people think, even the interior is somewhat weatherproof to avoid issues from, say, leaving the sunroof open and having it rain in. They only issue arises from the carpets and seats on most vehicles that take forever to dry. Leather should be dried immediately to avoid damage. For cars with in dash cassette or CD players (you know, from that previous century), care should be taken to avoid having water get into slot where those items are inserted. Other than that, if your interior is really grimy, a light spray won't hurt it. You'll just want plenty of time on a hot day for the interior to fully dry or mold can become an issue.

Don't use an actual pressure washer (a high pressure hose at the car wash is fine) on any mechanical or electrical area (including under the hood) because that can force water into even the slightest seam in a casing or enclosure. It can also leech water into bearings and other lubricated areas.

Also, watch out to avoid flooding the troth in front of the windshield or it will flow into your dash. That usually occurs if crud has gotten in there and plugged the drain holes. If you find they're plugged up, just poke the stuff out with a wire coat hanger.
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