Oil leak
Melting Slicks
Joined: May 2014
Posts: 2,894
Likes: 592
From: New Port Richey FL
I would look at the oil filter mount, if it's coming out under pressure not valve covers. Now I have seen the gasket under the oil filter mount split, and if you have the HD cooler option I have seen the big bolt/Filter mount loosen and cause out to flow from block
Last edited by s carter; Apr 18, 2021 at 06:28 PM.
Thread Starter
Intermediate
Joined: Aug 2020
Posts: 41
Likes: 2
From: Pennsylvania
Looking at it....oil came out around the filter and went into the exhaust. Possibly adapter?
Team Owner
Joined: Jul 2004
Posts: 28,465
Likes: 3,288
From: Hartford WI
How does oil get into the exhaust? It could be the cooler gasket which is between the cooler and the block or the oil filter gasket which is between the oil cooler and the oil filter.
Safety Car
Joined: Aug 2009
Posts: 3,751
Likes: 276
From: Melbourne, Victoria, Australia
It gets on the exhaust and everywhere.
Pressure spray wash the area clean, go for a short drive and look under the car.
The correct oil cooler seal is available, do not use an old oil filter seal as its slightly too small.
Having said that you can make it work, but need trail and error to get it right with an oil filter seal.
that is just because I am.in OZ a two week shipping wait makes you try these silly things.
Hey it may just be the oil cooler is loose, if the filter had been overtightened it can undo the tube bolt a bit before the filter releases.
So check that as well, remember the seal will be very old now and squashed. So may just need to tighten the tube bolt when oil filter is removed.
Cheers
Gerard
Drifting
Joined: May 2020
Posts: 1,663
Likes: 702
From: Baton Rouge, Louisiana, metro area
Isn’t the Oil Temperature Sensor unit right there above the oil filter?
I know we are all speculating. But there are a lot of oil sources in that area more likely than the head gasket.
I know we are all speculating. But there are a lot of oil sources in that area more likely than the head gasket.
Team Owner
Joined: Jul 2004
Posts: 28,465
Likes: 3,288
From: Hartford WI
Air turbulence gets the oil everywhere, even higher than the oil cooler . I have had the same problem with the oil cooler seal leaking,
It gets on the exhaust and everywhere.
Pressure spray wash the area clean, go for a short drive and look under the car.
The correct oil cooler seal is available, do not use an old oil filter seal as its slightly too small.
Having said that you can make it work, but need trail and error to get it right with an oil filter seal.
that is just because I am.in OZ a two week shipping wait makes you try these silly things.
Hey it may just be the oil cooler is loose, if the filter had been overtightened it can undo the tube bolt a bit before the filter releases.
So check that as well, remember the seal will be very old now and squashed. So may just need to tighten the tube bolt when oil filter is removed.
Cheers
Gerard
It gets on the exhaust and everywhere.
Pressure spray wash the area clean, go for a short drive and look under the car.
The correct oil cooler seal is available, do not use an old oil filter seal as its slightly too small.
Having said that you can make it work, but need trail and error to get it right with an oil filter seal.
that is just because I am.in OZ a two week shipping wait makes you try these silly things.
Hey it may just be the oil cooler is loose, if the filter had been overtightened it can undo the tube bolt a bit before the filter releases.
So check that as well, remember the seal will be very old now and squashed. So may just need to tighten the tube bolt when oil filter is removed.
Cheers
Gerard
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Drifting
Joined: Mar 2013
Posts: 1,952
Likes: 239
From: Venice Cali.
If it is an L98 the oil pressure sender and fuel sensor are right behind the distributor , they are under high pressure and known to spurt oil.
And it was burning right off the exhaust on mine.
And it was burning right off the exhaust on mine.
Team Owner
Joined: Jul 2004
Posts: 28,465
Likes: 3,288
From: Hartford WI
Fuel sensor? I think one is oil pressure and the other is the oil pressure switch. IIRC.
Drifting
Joined: May 2020
Posts: 1,663
Likes: 702
From: Baton Rouge, Louisiana, metro area
There are two oil “pressure” related sensors on top of the engine. However, my 1991 L98 also has an Engine Oil “Temperature” sensor located above the oil filter housing. The sensor feeds the instrument panel and, I believe, has no connections to the ECM.
I don’t know if the 80’s models L98s have that sensor. If so, could be his oil leak source.
Edit: After pondering the “fuel sensor” you mentioned, I am sure you were referring to the Oil Pressure Switch that is part of the Fuel Pump circuit. Okay. Got it. The terminology confused my simpleton brain.
Last edited by DWAVette; Apr 19, 2021 at 06:28 AM.