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How do you clean engine bay?????

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Old 05-01-2007, 05:31 PM
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How do you clean engine bay?????

Can anyone elaborate on the best way to do this without causing damage to electrical stuff?
Old 05-01-2007, 06:13 PM
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Lots of great ways to detail the engine, here is my basic routine:

1. When doing an engine detail we recommend the engine be a little warm, so turn on the engine for about 1 – 2 minutes and then turn it off. If the vehicle has been driven or is hot from previous driving it may be too warm for an engine detail.

2. When the engine is at a safe temperature you can start the process. Cover any exposed electrical components (usually there are a few electrical plugs you can cover at most) and anything else you do not want water in with aluminum foil, saran wrap or something similar. Cover any exposed air filters and intakes so they don’t flood with water.

3. Spray the engine with a light mist of water. Spray degreaser over areas with grease build-ups and other heavy deposits. Avoid spraying metals and other mechanical pieces. We recommend a 3:1 dilution of Poorboy's World Bio APC. Start spraying it low or deep in the engine and work your way up towards more easily accessible areas. Let it sit for approximately 1 - 2 minutes. If you use a stronger degreaser you may want to rinse it sooner.

4. Spray down everything to remove all the degreaser and dirt and grime with a light mist from a hose. You don't want to use high-pressure water or tons of water if avoidable. Some areas may need to be wiped down with a rag or with a brush to break up heavy deposits. The debris should be loose now and fall off easily, don't rely on pressure from the hose to break up the debris.

5. Now I spot treat any areas that didn't get clean and the metals. I'll use an old rag and spray some degreaser on it and clean up any areas I see that need a light touch up. Don't forget to clean the hood that has been flipped up.

6. Make sure you have removed the tin foil or saran wrap and all other products used in the detail from the engine bay. Start the engine and let is run for at least 1 – 2 minutes to help dry some of the water. Be careful touching the vehicle after because it can get hot fast. Then finish drying anything that may need it.

7. Now I recommend treating all the (non-mechanical) vinyl, plastic and rubber pieces with a protectant such as the 303 Aerospace Protectant. Apply this to a cloth and wipe down anything that’s rubber, vinyl and plastic that’s non-mechanical. This will help prevent premature fading and keep the surface looking great. The 303 Protectant has a low gloss matte finish that looks great and helps prevent dust build up. Additionally if you have any exposed metal you can polish them now. We really like the deep polishing power of the P21S Finish Restorer. You can also apply a sealant to any painted areas in the engine bay or the under side of the hood.

8. Step back and admire a clean and sharp looking engine bay.

Let me know if you have any questions about this or any other part of the detailing process.

Greg @ Detailed Image
Old 05-02-2007, 10:40 AM
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Very good writeup. Thanks. I will work on this over the weekend.
Old 05-03-2007, 08:54 AM
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'84 380 SL/ '02 XK8
Great How-To
All I would add is the use of WD-40 (Water Deterrent) for any electrical components (and then cover them as suggested)

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