Oil leak under hood on drivers side!? HELP - Forums at Modded Mustangs
 
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post #1 of 18 Old February 19th, 2012, 11:57 AM Thread Starter
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Oil leak under hood on drivers side!? HELP

My friend and I had the bright idea of going to the junk yard and grabbing some $25 tires and bolting them on and just shredding them off. We had been driving and we found this abandoned road and did a huge burn out and we were sitting on the revlimiter at like 6ish thousand rpms and then we pulled over after driving and we noticed the hood was smoking and we looked under and there was oil on the drivers side engine bay. it seemed like it was being spit out of somewhere and we cant find it. Also when we checked the oil afterwards, it barely was on the dipstick, just touching. There is mobil-1 5-W30 full synthetic being ran through it
We have a video of the abuse if that helps anything lol

IF ANYONE CAN GIVE ANY ADVICE THAT WOULD BE GREAT!!!

The mods on the car are:
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post #2 of 18 Old February 19th, 2012, 01:32 PM
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Valve cover gasket? Headgasket? Hole in block?

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post #3 of 18 Old February 19th, 2012, 03:29 PM Thread Starter
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no because the car runs fine, starts fine, no shaking or weird noises

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post #4 of 18 Old February 19th, 2012, 05:10 PM
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Quote:
Originally Posted by blakenel1122 View Post
no because the car runs fine, starts fine, no shaking or weird noises
No to which one?

Could have a headgasket leaking oil out the side of the engine and have little if any adverse running problems. A valve cover gasket also wouldn't have any adverse running problems.

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post #5 of 18 Old February 19th, 2012, 11:50 PM
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Originally Posted by blakenel1122 View Post
My friend and I had the bright idea of going to the junk yard and grabbing some $25 tires and bolting them on and just shredding them off. We had been driving and we found this abandoned road and did a huge burn out and we were sitting on the revlimiter at like 6ish thousand rpms

Ya, that was a real bright idea you and your friends had


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post #6 of 18 Old February 20th, 2012, 10:23 AM
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Quote:
Originally Posted by blakenel1122 View Post
no because the car runs fine, starts fine, no shaking or weird noises
Until that little oil on the dipstick becomes NO oil and the motor seizes up...

I am so confused now. It can't be that hard to track down an oil leak...Either the PCV blew out, the valve cover gaskets/headgaskets failed, or the oil filter blew out (which is underneath so probably not that). Those are the only things it could be if it is on the SIDE of the motor.
The ONLY other places it could be are under the car.

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post #7 of 18 Old February 20th, 2012, 02:02 PM
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Did you check the oil feed lines and fitting for the supercharger ?


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post #8 of 18 Old February 20th, 2012, 03:54 PM
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Quote:
Originally Posted by johnGT View Post
I am so confused now. It can't be that hard to track down an oil leak.
It can be harder than you think sometimes. I've had leaks I couldn't pinpoint even with the dye in the oil. You can narrow it down to the general area, but sometimes it's in an area you can't physically see and stuff needs to come apart to find the leak.

To the OP, use the ultraviolet dye and light you can get at the parts store. It's the best way to track down a leak. You need to be in a dark area to track the dye though so either do it in a garage with the lights off, or wait until night time. Good move is to clean the area off with brake cleaner first and then put the dye in the oil and run it for a bit. Then check with the UV light around the area where you think the leak is coming from.
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post #9 of 18 Old February 20th, 2012, 05:21 PM
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Quote:
Originally Posted by ryanw View Post
Did you check the oil feed lines and fitting for the supercharger ?
I was just thinking about this one.

It could be a weird crack in the block or something. idk, from personal experience, an oil leak is pretty straight forward.

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post #10 of 18 Old March 1st, 2012, 04:46 PM
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What about your oil sending unit. I believe its right above the oil filter. Mine was leaking in my stang.

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post #11 of 18 Old March 2nd, 2012, 04:35 AM
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Originally Posted by blakenel1122 View Post
no because the car runs fine, starts fine, no shaking or weird noises
Clean all the oil away from the engine bay, top up the oil level in the engine, and start it up. Then you can have a look and find out where the oil is leaking from in natural daylight. If it isn't immediately obvious, wait until night time and try the ultraviolet dye and black light test suggested by fogged306.


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post #12 of 18 Old April 15th, 2012, 01:28 PM Thread Starter
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Sorry for no update in a while, but we found out that the PCV kept blowing out when the boost hit. Now we have a new PCV valve in there and its not blowing out any more. But now when we get on it, the oil is being shot out where the dipstick goes in...oil is being sprayed all over the engine bay because it pushes the dip stick out like 3/4 of an inch and the oil hits the dipstick and reflects back and just covers everything. It is like there is an excessive amount of crank case pressure. next we will do the UV dye in the oil just to make sure thats the only place it is coming out. Thanks for the input everyone!

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post #13 of 18 Old April 15th, 2012, 01:30 PM Thread Starter
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and also we did replace the drivers side valve cover gasket.

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1993 4 CYL FOX-SOLD
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post #14 of 18 Old April 22nd, 2012, 12:53 AM
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Do you still have the rubber tube running from the throttle body to the passenger side valve cover ? If you do, your blowing boost into your crank case. Youll need to cap the throttle body and put a breather on the valve cover. Then youll need to disconect the pcv valve from the upper intake.... cap that port and put the pcv valve on a breather.


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post #15 of 18 Old April 22nd, 2012, 01:06 PM Thread Starter
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Shoot we figured it out, the rings are shot.. now were looking for a new longblock that can handle like 500 hp

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post #16 of 18 Old April 23rd, 2012, 09:55 AM
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How did you determine the rings were shot? Can you post some pictures of your setup? If anything you can bandage this for a while by running a better evac system, the stock one is insufficient when running boost. You can get some extra breathers mounted remotely with a catch can that drains back to the crank case. This will help relieve some of that pressure and keep it under control.
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post #17 of 18 Old April 23rd, 2012, 02:16 PM Thread Starter
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Because it ran fine until we had it on the rev limiter for 20 seconds. And the lack of power it has is also another hint since it is getting a lot of blow by. It use to blow out the PCV and we made sure it wouldn't come out again and then the oil dip stick blows out. We also described it to a mustang specialty shop here in richmond VA and they were 99% sure that was it as well.

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post #18 of 18 Old April 23rd, 2012, 05:21 PM
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It could be a variety of other things based upon what you have mentioned. Have you done any leakdown or compression tests to confirm? You could have gasket blown somewhere, tore up valve guides, and various other things. Its better to do the proper checks before coming to a conclusion. I am not ruling out bad rings, but its better to try and rule out the easy stuff first. Also would you be able to post pictures of your setup?

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