Honda Civic (2001 - 2005) Coupe / Sedan / Hybrid (Includes Acura EL)

Oil Leak?

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Old May 31, 2017 | 12:20 PM
  #1  
HondaEddy's Avatar
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Default Oil Leak?

2004 Honda Civic LX, Auto, last oil change was roughly 2500 miles ago.
so i have an oil leak

https://i.imgur.com/c5WTNbb.jpg

https://image.prntscr.com/image/f775...978c2c901b.png
and this is where it is located to get a better perspective


I really don't know where it is coming from, its been a while since the oil level has actually decreased ever since January of the oil change. Need help and education. Don't know much how cars but im afraid that i may have to dis-part a lot to find the source of the leak.
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Old May 31, 2017 | 01:24 PM
  #2  
utn's Avatar
utn
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From: Seattle, WA, USA
Default Re: Oil Leak?

It's hard to tell from the picture. But I would suspect either the valve cover gasket is leaking, or the cam plug is leaking, or both of course.
Both of these parts are inexpensive and relatively easy to replace.

One of my favorite ways to detect leaks is to buy a UV dye and black light. You can add the dye to the fluid you want to search for leaks with, then use the black light to look around and see where it's coming from.


Valve Cover Gasket Number
12341-PLC-000
#5 in this pic


Or the cam/distributor plug
Part number
12513-P72-003
#6 in this image
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Old Jun 5, 2017 | 05:10 PM
  #3  
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Default Re: Oil Leak?

Based on your picture, it looks like there's a fair bit of oil collecting directly to the left (and potentially under) your exhaust manifold? That's a weird location for oil to pool. Maybe the techs spilled a bunch when they changed it? It would explain the lack of continued oil loss, but still worth investigating.

Either way, utn is right: those are two common points of leakage; replacement of which is easily done on a Saturday afternoon with ample time to spare. UV dye is a good idea, but a cheaper alternative is GUNK engine cleaner. Even less costly and more readily available is a 10 to 1 or 5 to 1 mixture of hot tap water and dish soap. Shake it up, shower the engine bay, then wipe it off, taking care to avoid electrical components (not a bad idea to run the engine afterwards to dry it up completely). Allows you to track the source of your (possible) leak and freshen up the engine bay as well.

On a side note, I noticed your splash guard/under tray guard (whatever the heck you want to call it) is missing. In addition to reducing the amount of crud on the bottom of your motor/tranny, these aid in proper airflow to your radiator. Might be worth it to invest in one.
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