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Discussion Starter #1
Here's a writeup on how to clean up a dirty engine bay.
This engine bay had a 20 year buildup of rustproofing and dirt, that dried up onto the paint.

I used WD-40 and a paintbrush and 4 microfiber towels.
Works amazing on 20 year old buildup of dirt and rustproofing. No joke.
Car had been sitting for 10+ years.. I basically spent 4 afternoons/evenings total on it.

STEP BY STEP

1. Go to the automotive store, buy 2 cans of WD-40 , 4 microfiber towels, paintbrush.
2. Open Hood.
3. remove battery, air filter box and arm, fuse box cover, wiper motor, map sensors assembly, coolant overflow tank, move away side wires and tubes on shock towers.
4. Start attacking the dirtiest parts with WD-40.
5. Spray and brush/agitate the grime/dirt
6. Wipe off dirt with towel.
7. Once all the bay is clean, you can buff and polish the paint around the bay and dress the rubber hoses with rubber and vynil dressing.

Keep doing this until all dirt is removed. It takes a while, but well worth it.
WD-40 wont remove the paint.

Note: As you will notice, some parts were replaced/restored as well.



BEFORE:





 

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91 CRX Si
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4,454 Posts
Holy crap that's a big difference!
 

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3,720 Posts
WD40 is pretty win, I dont think people realize how effective of a solvent it is. It will clean grease and whatnot well and its very mild to everything, it wont even eat up acrylic.
 

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92 Civic Seadan
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344 Posts
Holy crap!! That is amazing job you did. Where did you find that car also few that thing looks like it just came factory lol. Great work she totally bookmaking also
 

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del Sol si '94
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2,539 Posts
Wd will remove window tint like magic as well. Good luck gettin new tint to stick tho....

x2 on hands to remove grease, glue, you name it.
 

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1994 Jeep
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270 Posts
I love clean engine bays(obsessivly). WD-40 works really good on the hard grime and what not. I religiously spray down the engine bay with Simple Green and wash it with soap and water everytime i wash the car. Rep for you sir on a job well done!
 
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