Oil Coming out of Cold air intake need help - TCCoA Forums
 
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post #1 of 28 (permalink) Old 12-14-2007, 10:02 PM Thread Starter
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Oil Coming out of Cold air intake need help

I have a 96 4.6 liter ford t-bird. Well I started to notice a oil leak and found out it was coming from my cold air intake so i first thought is was the air valve the name excapes me now so i replaced it does nothing.

Well ppl said it could be my pistons rings. Well the car smokes alot now cause of the leak could this be the pistons rings are bad.

plus does anyone know how much it would cost to replace plus what all should i replace sense the motor will be open?
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post #2 of 28 (permalink) Old 12-14-2007, 10:17 PM
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does it go all the way back into the manifold???
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post #3 of 28 (permalink) Old 12-14-2007, 10:19 PM Thread Starter
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does it go all the way back into the manifold???
Yea theres a line of oil leading into the throttle body
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post #4 of 28 (permalink) Old 12-14-2007, 10:23 PM
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i would start by checking your manifold and make sure you don't have a pool of oil in there. 2nd check to see if you have a clog anywhere in your line from the pcv valve to the breather on the drivers side valve cover. also check you oil level did you over fill by a few quarts?? causing it to be pushed threw the pcv or the breather. how about the exhuast what does it smell like do notice oil coming out of the exhuast.
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post #5 of 28 (permalink) Old 12-14-2007, 10:26 PM Thread Starter
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i would start by checking your manifold and make sure you don't have a pool of oil in there. 2nd check to see if you have a clog anywhere in your line from the pcv valve to the breather on the drivers side valve cover. also check you oil level did you over fill by a few quarts?? causing it to be pushed threw the pcv or the breather. how about the exhuast what does it smell like do notice oil coming out of the exhuast.
Yeah I will suck all the oil out of the car and push all of it threw the cold air intake. I havent seen any oil coming on the tail pipe just alot of smoke expecially when I step hard on the gas is when it smokes the most.
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post #6 of 28 (permalink) Old 12-14-2007, 10:30 PM
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if you had oil getting passed you piston rings you should smell it. is the smoke a blue color??
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post #7 of 28 (permalink) Old 12-14-2007, 10:34 PM Thread Starter
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if you had oil getting passed you piston rings you should smell it. is the smoke a blue color??
yea its a blue color do u know how much piston rings are and what all should i change to new while the motor is open?
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post #8 of 28 (permalink) Old 12-14-2007, 11:45 PM
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dont crack the engine open just yet.....lol......you are jumping to conclusions and havent even begun a real trouble shooting diagnosis of your engine

if you are so mechanically inclined so as to not even think twice about removing the engine and going in to replace piston rings, what you should do first (well what I would do first) is make sure the oil level is not overfilled, and if it's not, take off your entire intake manifold, clean it out, and reinstall it......while its nice and clean, and before you fire the engine up again, do a compression check on all 8 cylinders

again, thats what i would do if I were you
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post #9 of 28 (permalink) Old 12-15-2007, 12:22 AM
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i talked to him alot about what you just said on msn...
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post #10 of 28 (permalink) Old 12-15-2007, 03:48 PM
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compression test is definately the first step

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post #11 of 28 (permalink) Old 12-15-2007, 04:56 PM
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well even if the compression test alright, he still needs to clean up that mini-Exxon Valdez inside the manifold, so might as well take that off first :p
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post #12 of 28 (permalink) Old 12-16-2007, 08:22 AM
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Pi Swap!!! Pi Swap!!!

Stock 96 block with 04 gt heads & intake, 03 gt intake tube and MAF, along with a 180 deg stat and mild j mod...
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post #13 of 28 (permalink) Old 12-16-2007, 09:34 AM
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Pi Swap!!! Pi Swap!!!
yeah no kidding, while your at it

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post #14 of 28 (permalink) Old 12-16-2007, 10:44 AM
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Pi swaps are sooo easy too, might as well

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post #15 of 28 (permalink) Old 12-16-2007, 05:48 PM
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he already did a pi swap
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post #16 of 28 (permalink) Old 12-16-2007, 08:16 PM Thread Starter
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well even if the compression test alright, he still needs to clean up that mini-Exxon Valdez inside the manifold, so might as well take that off first :p
I have almost no compression on the pass side the driver side is normal
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post #17 of 28 (permalink) Old 12-16-2007, 08:19 PM
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I have almost no compression on the pass side the driver side is normal
Rings dude.I told you that before.Good luck man.

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post #18 of 28 (permalink) Old 12-16-2007, 09:41 PM
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sounds odd that all the rings on the passenger side would let go at the same time
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post #19 of 28 (permalink) Old 12-16-2007, 09:45 PM Thread Starter
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sounds odd that all the rings on the passenger side would let go at the same time
thats what i thought some do have more compression then others on the pass. side and some have almost none, the driver sides is all in the same area so they seem good.
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post #20 of 28 (permalink) Old 12-18-2007, 12:47 AM
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weird dude.... that seems almost like premature failure on the rings... but i could be wrong. but either way the rings are toast.
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post #21 of 28 (permalink) Old 12-18-2007, 02:21 PM
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One sided rings

My guess is that one side of the engine was running rich (fuel wash) and all the rings wore from lack of proper lubrication?? If you had an intake manifold with a one sided air leak (gskt),then the engine could continuosly add fuel to that side until there was no more fuel trim left. Did it run clean with no cel before? I think bad rings lead to an oily mist coming back through the intake as well as heavy oil flow through the pcv valve. Luckily, used npi engines are very inexpensive.
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post #22 of 28 (permalink) Old 12-18-2007, 07:56 PM
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Did anyone ever check to see if the timing jumped on that side? Is that possible on these motors?

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post #23 of 28 (permalink) Old 12-18-2007, 08:00 PM
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has the engine ever been disassembled? its possible the headgasket was placed incorrectly, or replaced with an inferior unit if it has, same thing if the headbolts were reused

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post #24 of 28 (permalink) Old 12-18-2007, 08:25 PM
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Quote:
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has the engine ever been disassembled? its possible the headgasket was placed incorrectly, or replaced with an inferior unit if it has, same thing if the headbolts were reused
I think this car has the PI head swap.So I guess it is a possibility

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post #25 of 28 (permalink) Old 12-19-2007, 01:05 PM
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i've seen my share of headswaps go wrong because people don't do them right, a mustang I worked on did the same because the guy reused the bolts when I left and said he replaced them, truth came out when there was no compression on that side and the oil started mixing

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post #26 of 28 (permalink) Old 12-19-2007, 05:44 PM
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Anyone think PCV system?

My car has seen its days.
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post #27 of 28 (permalink) Old 12-22-2007, 09:29 PM Thread Starter
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everything ran completely fine with no problems for the longest time, until my racing chip got reset which cause it to run rich, then the oil problem came short after i already changed the pcv valve to see but no change..........what can i do to check the timing?
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post #28 of 28 (permalink) Old 12-22-2007, 11:14 PM
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ignition timing is not adjustable...it is done by the computer (Electronic Distributorless Ignition System)

if your cam timing is off, then you got serious problems because for the chains to jump a tooth on either the cam or crank gears, you'd have to have a failed tensioner or plugged oil passages not allowing the tensioners to function properly
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