N/a Oil Filter Housing On Turbo Block... bad or good???

[shadow001dsm]

As of late my 94 eclipse has been leaking like a sob, so after a lot of looking and cleaning and testing to find this leak, i believe i narrowed it down to the oil pump cover and possibly a crank seal.

now my real question is, while i was removing the plate i noticed my oil filter housing was a n/a, its seems to work with out problems, but im wondering if that could be another culpirt to the oil leak, any ideas anyone.

the car is 94 eclipse gs(just swaped 4g63t in)
all stock except for a fuel pressure regulator and 255lph walbro, no mbc or anything.

already done 2 head gaskets and head checked.

turbo could be blown i have gray smoke out of my exhaust and when under boost gets darker in color. am i correct in my assumtion?

so 29 veiws and not even a comment thats says im in the right direction, or anything about the housings. thanks this happens almost everytime.

 

[shadow001dsm]

mods feel free to delete this no one will ever answer.

 

[19Eclipse90]

This is somewhat relative to what you are asking about the N/T housing: http://www.dsmtuners.com/forums/newbie-forum/401139-do-i-need-oil-cooler.html.

Oil filter housing gasket may leak, yes. If you've checked the head, you are pretty well left with rings and the turbo. You can do a leak-down test to check the rings to eliminate that as a culprit.

And a front main (crank) seal is easier to change than the front cover or its gasket. Have you run the car without the timing cover off to locate the leak?

 

[shadow001dsm]

Thank you for the link first off and for giving me a some advice. I have not performed a leak down test, the cylinder and rings are brand new ive barley put 28 miles on it.(i did not do the original rebuild of the motor is was assemble with the arps. all i did was swap heads for the 2g head.) I have done the head gasket, and it very hard to tell where the leak is coming from. i have completely cleaned the area so there was no old oil residue, i took the timing cover off, i then started the car for about 45 secs or so. I turned it back off and checked the timing plate cover area, unfotunaly the oil gets slung from where ever it comes from to fast. The oil always gets on my timing belts and it makes a mess i can even tell what was clean and what wasnt. However after many fellow technitions have come to look for themselves they all say its not the head gasket for sure, but they get just as stumped as i am as to where it originates from.

 

[Tigerhorns]

Well i can tell you from my exsperience with leaking oil behind the timing cover. If it's all over your cam gears, and only leaks when the car is running it's your cam seals. It will leak after you turn the car off from running it, but wont make a massive puddle.

Also i had a N/A oil filter housing on my car just recently replaced it with a 90's OFH, didn't make my car leak oil, or make my car run any different.

 

[shadow001dsm]

While the Car is running the car will drip, but when you turn it off depending on how long it was will depend on how big the puddle is, some times its the size of my fist sometime its 2 spot the size of my fist. or biger. and the cam seels are completely dry i see most of the oil from the timing belt tensioner down, oil the oil up top looked like got there from the belt spinning.

 

[Tigerhorns]

You say the cam gears have no oil on them? They wont be dripping in oil, but will have some kind of oil on them. I'm willing to put money on the cam seals. thats exactly how my car was acting about 2 weeks ago.

The cam seals are only as big as the cams. once it come from the top the only place it can go is to the bottom. When those cam gears are spinning it drips oil. If it was your oil pump you would be pissing oil.

could be your valve cover gasket, but i still say cam seals.

 

[shadow001dsm]

I wanna thank you guys for the help first, its hard to find good advice. to tigerhorns,, i got curious after you said that about the cam seels so i went out back turned the car on and started looking again. and to no avail. i cant physically see where the leek starts. but the cam seels do have residue on them now. funny how thats works out. im wondering if it because of my OFH though. it does have the single shaft N/A housing from a 4g63 n/a, i never heard or seen it done before until now. are the oil porting in all the same? i know it can hold 40 psi of oil could it be spraying? I got a bottem end gasket set. Im going to install it tomorow. and now that you said the cams im gonna pick up the seels tomorow and hope for the best. but do you guys have any insite on that OFH question?

 

[Tigerhorns]

That oil filter housing has nothing to do with your oil leak. It's your cam seals you need to change the timing belt aswell and should do your valve cover gasket while the valve cover is off. If you havent done a timing belt job soon, or don;t know the last time it was done now is the time. STM DSM TIMING BELT REPLACEMENT KIT I know there may be cheaper places out there to buy parts, but if you want good service, and someone to call, and ask question about something these guys are always there for you, and they always know what your talking about even if you don't. When i did my cam seals alot of people pull the cams all the way out what we did is just took the cam gear off by holding the cam with a adjustable wrench (with balls not like a little girl) and loosened the first rocker, and took the seal out, and poped the new one in repeat this process. Make sure to clean your cam gears with gas before reinstalling.

Also you should get a can of brake cleaner, and use the whole can removing all that oil behind the timing belt cover, and clean the timing covers too.

 

[19Eclipse90]

Could be your cam seals. Are the rear side of the cam sprockets would be covered in oil? The OFH is mostly outside of the timing cover, it would be more likely to leak outside of the cover. Other possibilities include the front main seal, which you mentioned, the oil pump seal, front balance shaft seal, castle plug o-ring, balance shaft tensioner bolt hole, cracked front case, or one of a number of the bolt holes for the front case or OFH that run around a high pressure oil gallery.

 

[Tigerhorns]

Those are other sources, but for small amount of oil, and it being on the cam gears i would say cam seals. Balance shaft isnt nearly as common as the cam seal. If it was the oil pump wouldnt there be more oil then a fist full? I'm just asking for future reference. To take that oil filter housing off your gunna have to take the timeing cover off along with the pulleys to get the last bolt.

 

[shadow001dsm]

i forgot the fact the OFH is outside the cover. and im not sure of th history of the motor i got from a gentlemen in town about 9 months ago. he said it was ready to go and ive been trying to get it going so, i didnt even bother rebuilding it. I am kickin myself for not doing it while it was out. Dont those kinds of things make you laugh. and for all the seels on the bottom end those will all be replaced tomorow. so that will illemate that area(i didnt spell that right sorry). and the oil is on the side of the cams closest to the head.

 

[19Eclipse90]

If it was the oil pump wouldnt there be more oil then a fist full? I'm just asking for future reference.

Not necessarily.

i forgot the fact the OFH is outside the cover. and im not sure of th history of the motor i got from a gentlemen in town about 9 months ago. he said it was ready to go and ive been trying to get it going so, i didnt even bother rebuilding it. I am kickin myself for not doing it while it was out. Dont those kinds of things make you laugh. and for all the seels on the bottom end those will all be replaced tomorow. so that will illemate that area(i didnt spell that right sorry). and the oil is on the side of the cams closest to the head.

Definitely let us know the results.

 

[shadow001dsm]

will do just started wrenching. I'll let you know the outcome in a couple hours.